YaleCourses

2. The Paris Commune and Its Legacy

Wed, 23 Sep 2026 05:49:00 -0000

France Since 1871 (HIST 276)

The Paris Commune of 1871 remained a potent force in Europe for several generations afterwards. The reprisals following the fall of the Commune anticipated the great massacres of the twentieth century. While the brief reign of the communards witnessed serious adversity in the form of food shortages and disease, it also presided over many progressive social measures, such as the relative emancipation of women. The brutality of the army's actions against the communards would cast a pallor over leftist politics in Europe for decades to come.

00:00 - Chapter 1. The Paris Commune in Its Historical Context: Napoleon III and the Franco-Prussian War
06:17 - Chapter 2. The Siege of Paris
19:48 - Chapter 3. The Fall of France and the Formation of the Paris Commune
32:17 - Chapter 4. Composition of the Commune: Tensions between Urban and Rural France
38:23 - Chapter 5. The State Strikes Back: The Massacre of the Paris Commune

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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02 Master Job Search Stress: Sketch Your Spheres of Control and Influence | Job Searching with Purpose

Wed, 23 Sep 2026 05:05:00 -0000

Feeling overwhelmed by your job search? In this lesson, we introduce the powerful "Sketching Your Spheres" exercise, a practical tool inspired by the Serenity Prayer, to help you navigate stress and strategically focus your energy. Learn to differentiate between what you can control, influence, and simply accept, allowing you to anchor your head and heart in your current circumstances and take meaningful action.

🎯 Learning Objectives
• Understand the three spheres: concern, influence, and control.
• Apply the "Sketching Your Spheres" exercise to categorize job search anxieties and opportunities.
• Differentiate between elements you can control, influence, and those you must accept.
• Identify actionable steps for each sphere to reduce stress and enhance focus.
• Prioritize key actions that will make the most positive difference in your current situation.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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1004 | Master Your Message: Why You Need a Communications Plan - Social Entrepreneurship Course

Wed, 23 Sep 2026 05:00:00 -0000

Why is a robust communications plan essential for your venture's success? In this lesson, we explore the critical components of a strategic communications plan, moving beyond basic pitching to cover comprehensive engagement with all stakeholders. Learn the fundamental 'Who, Why, What, How, and When' framework to develop a clear, goal-oriented communication strategy that builds relationships and drives action. We'll also delve into crafting tailored messages and leveraging diverse communication channels effectively, from social media to invaluable face-to-face interactions.

🎯 Learning Objectives
• Understand the five core questions (Who, Why, What, How, When) for building a robust communications plan
• Learn to identify key stakeholders and their desired actions to guide your communication efforts
• Discover how to craft audience-specific messaging using the stakeholder ladder framework
• Explore various communication channels, including digital and in-person methods, for effective outreach
• Recognize the importance of consistent planning and collaboration in executing your communications strategy

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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America at 250: A History, DeVane Lecture, Class 12–Two Constitutions, Secession and War, 1860-1862

Wed, 23 Sep 2026 04:07:30 -0000

John Brown’s raid on Harper’s Ferry and the Lincoln - Douglas debates are two key parts of Professor David Blight’s examination of the road to Civil War.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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11 Master Your Priorities: Align Your Career with Life's 'Big Rocks' | Job Searching with Purpose

Wed, 23 Sep 2026 04:00:00 -0000

Are you struggling to balance career aspirations with life's demands? In this lesson, we dive into clarifying and personalizing your core priorities, often called 'rocks,' to ensure your job search aligns seamlessly with your overall life purpose. Drawing on the timeless 'rocks, pebbles, and sand' analogy, you'll learn how to strategically place your most important life elements first, creating a job hunt that truly reflects what matters most to you.

🎯 Learning Objectives
• Identify and clarify your fundamental life priorities ('rocks') and how they connect to your job hunt
• Understand the strategic importance of prioritizing your 'big rocks' to achieve career and life alignment
• Learn how to name and elaborate on your personal priorities using powerful and resonant language
• Develop a concise and adaptable job hunt pitch that aligns with your core life messages

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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America at 250: A History, DeVane Lecture, Class 4 - What Kind of Union?

Wed, 23 Sep 2026 03:10:00 -0000

America at 250: A History. Class 4 “What Kind of Union?”
Professor Joanne Freeman explains the role of states in the American Experiment.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.
David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.
Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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14. Cardiovascular Physiology (cont.)

Wed, 23 Sep 2026 03:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman describes the blood flow through the systemic and pulmonary circulatory system. More specifically, he describes, with the help of diagrams, the events that lead to blood flow in the body as a function of contraction/relaxation by specific chambers of the heart, and the effect of four valves which help direct flow. Important terms and concepts such as systole/diastole pressures, cardiac output (CO) as a function of heart rate (HR) and ejection volume (EV), and the action potential propagation that stimulates heart muscle contraction are discussed.

00:00 - Chapter 1. Review of Heart Anatomy and Physiology
04:13 - Chapter 2. Valves and the Generation of Pressure
15:26 - Chapter 3. The Cardiac Cycle
36:57 - Chapter 4. The Cardiac Conduction System and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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3. Foundations: Freud

Wed, 23 Sep 2026 02:12:30 -0000

Introduction to Psychology (PSYC 110)

This lecture introduces students to the theories of Sigmund Freud, including a brief biographical description and his contributions to the field of psychology. The limitations of his theories of psychoanalysis are covered in detail, as well as the ways in which his conception of the unconscious mind still operate in mainstream psychology today.

00:00 - Chapter 1. Sigmund Freud in a Historical Context
06:51 - Chapter 2. Unconscious Motivation: The Id, Ego and Superego
13:45 - Chapter 3. Personality Development and Psychosexual Development
20:32 - Chapter 4. Defense Mechanisms, the Aims of Psychoanalysis, Dreams
29:11 - Chapter 5. Question and Answer on Freud's Theories
32:55 - Chapter 6. Controversies and Criticisms on Freud's Theories
42:10 - Chapter 7. Examples of the Unconscious in Modern Psychology
51:55 - Chapter 8. Further Question and Answer on Freud

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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8. Cell Communication and Immunology (cont.)

Wed, 23 Sep 2026 02:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman continues his discussion of cell communication in the body, extending the description to the nervous and immune system. Professor Saltzman describes the mode of signal transmission in neurons: action potential in the axon, and neurotransmitter release at the synaptic cleft. He also introduces elements of the innate and adaptive immune system. The adaptive immune system is presented as a host/foreign antigen recognition system involving immune cells (T, B, and macrophages), antibodies, and the major histocompatibility complex 1 and 2. Immune response by cytotoxic T cells, T helper cells, and B cells to antigen recognition are discussed in detail.

00:00 - Chapter 1. Overview of the Nervous System
05:28 - Chapter 2. Cell Communication in the Nervous System
22:18 - Chapter 3. Overview of the Immune System
28:26 - Chapter 4. Immune System Responses against Foreign Hosts
40:24 - Chapter 5. Cytotoxic T-Cells and Antibodies

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Module 9 | Kendall Barbery on Growing GreenWave's Staff - Social Entrepreneurship Interview

Wed, 23 Sep 2026 01:15:00 -0000

Have you ever wondered what it takes to scale a non-profit from a small startup to a multi-state organization shaping an entire industry? In this lesson, Kendall Barbery, Director of Partnerships and New Programming at GreenWave, shares her five-year journey with the non-profit, which supports regenerative ocean farmers. She discusses the organization's growth from a three-person team to nineteen staff across six states, the strategic shift from intensive one-on-one training to a broad online learning platform, and how they navigate the unique challenges of building a new, sustainable industry.

🎯 Learning Objectives
• Understand the organizational growth and evolution of a non-profit.
• Learn about strategies for scaling training programs from high-touch to online platforms.
• Explore how an organization adapts its structure and hiring to meet expansion demands.
• Discover the opportunities and challenges in shaping a nascent industry like regenerative ocean farming.
• Recognize the value of hiring for skill sets and adaptability rather than solely industry-specific knowledge.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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1005 | Amplifying Impact: Do's and Don'ts of Pitching and Communication - Social Entrepreneurship Course

Wed, 23 Sep 2026 01:00:00 -0000

Have you ever wondered what truly makes a pitch or communication plan effective? In this lesson, we delve into the essential do's and don'ts of compelling communication and pitching, highlighting strategies to engage your audience, convey your message succinctly, and build genuine connections. From mastering body language to understanding the power of vulnerability, discover how to present your ideas with impact and inspire action.

🎯 Learning Objectives
• Apply the "less is more" principle to make your pitches and communications concise and impactful.
• Balance preparation with genuine conversation and audience connection.
• Research and tailor your messaging to effectively engage diverse audiences.
• Incorporate honesty, vulnerability, and a clear call to action into your communications.
• Utilize positive framing and intentional body language to enhance your message.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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03 Peter Boyd's Unique Path: How His Career Fuels Your Job Search with Purpose

Wed, 23 Sep 2026 00:17:30 -0000

In this lesson, Peter Boyd introduces himself, sharing his extensive and non-linear career journey across consulting, corporate, non-profit, and government sectors. He explains how his diverse experiences, coupled with years of coaching hundreds of job seekers, led to the creation of this course. Peter also draws parallels between the mental and physical challenges of ultra-marathon running and the strategic mindset needed for a successful job hunt, emphasizing personal mission and purpose.

🎯 Learning Objectives
• Understand the diverse professional background and coaching philosophy of instructor Peter Boyd
• Identify the key experiences that shaped the creation of this job searching course
• Recognize the parallels between ultra-marathon endurance and effective job search strategies
• Grasp the instructor's personal mission for impactful leadership and career development

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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4.1 | Build Safer Medical Software: Mastering Quality Management Systems | Medical Software Course

Wed, 23 Sep 2026 00:00:00 -0000

Why are Quality Management Systems essential for medical software? In this lesson, we delve into the critical role of Quality Management Systems (QMS) and risk management in medical software development. We explore the definition of a QMS, its importance in ensuring product safety and effectiveness, and how it serves as a rulebook for organizations. Discover the foundational international standards and regulatory guidelines, including ISO series, FDA regulations, and European MDR requirements, that govern best practices in this vital field.

🎯 Learning Objectives
• Define Quality Management Systems (QMS) in the context of medical software.
• Explain the importance of QMS in ensuring the safety and effectiveness of medical software.
• Identify key international standards and regulatory bodies relevant to QMS for medical devices.
• Summarize the core components and principles of an effective Quality Management System.

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Faculty Spotlight: How Yale's Peter Boyd Helps You Hunt for Career Success

Tue, 22 Sep 2026 23:20:00 -0000

Submitting your résumé is just step one. ✍️ But as Yale lecturer Peter Boyd reminds us, “It’s all about the human connections at the end of the day.”

Peter is no stranger to guiding learners; his 2023 course, Connected Leadership, helped thousands strengthen their leadership toolkit. Now, in his new course, The Hunt: Job-Searching and Career-Building with Purpose, he turns to advancing your career toolkit. 💼

This Faculty Spotlight dives into why Peter created the course and how it can help you approach your job search with clarity, confidence, and purpose. Because The Hunt isn’t just about landing a job, it’s about searching with purpose.

👉 Explore The Hunt today at https://www.coursera.org/learn/the-job-hunt?utm_source=YALE&utm_medium=institutions&utm_campaign=2025-YouTube-Faculty-Spotlight

#TheHunt #CareerGrowth #JobSearchTips #CareerToolkit #YaleOnline #OnlineLearning #CareerDevelopment #NewCourse #CareerJourney #LearnWithoutLimits

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705 | Unlock Peak Performance: Operational Efficiency Secrets - Social Entrepreneurship Course

Tue, 22 Sep 2026 23:00:00 -0000

Master operational efficiency for your social enterprise! This video dives into 10 crucial strategies to reduce costs, scale impact, and achieve financial viability, no matter your model. Learn how to define your core, standardize, digitize, and shorten the last mile for sustainable success. Boost your organization's performance today!

🎯 Learning Objectives
• Analyze the importance of defining your core package and standardizing operations for scalability.
• Discover how digitization can enhance efficiency and broaden your reach.
• Identify strategies for shortening the last mile and fostering local leadership in your distribution model.
• Appreciate the critical role of staying lean and leveraging existing channels for long-term financial viability.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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10. Evolution, Emotion, and Reason: Evolution and Rationality

Tue, 22 Sep 2026 22:22:30 -0000

Introduction to Psychology (PSYC 110)

This lecture introduces students to the study of psychology from an evolutionary perspective, the idea that like the body, natural selection has shaped the development of the human mind. Prominent arguments for and against the theory of natural selection and its relationship to human psychology are reviewed. Students will hear several examples of how studying mental phenomenon from an evolutionary perspective can help constrain theories in psychology as well as explain many prevalent human instincts that underlie many of our most basic behaviors and decisions.

00:00 - Chapter 1. The Modern Biological Account of the Origin of Psychological Phenomena
13:35 - Chapter 2. Avoiding Misconceptions When Applying Evolutionary Theory to Psychology
22:38 - Chapter 3. Claims Against the Evolutionary Psychology
26:42 - Chapter 4. Ways in Which Evolution Helps Describe the Mind
39:43 - Chapter 5. Heuristics: Framing Effects, Base Rates, Availability Bias and Confirmation Bias

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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13. Why Are People Different?: Differences

Tue, 22 Sep 2026 22:00:00 -0000

Introduction to Psychology (PSYC 110)

Why are people different from one another? This lecture addresses this question by reviewing the latest theories and research in psychology on two traits in particular: personality and intelligence. Students will hear about how these traits are measured, why they may differ across individuals and groups, and whether they are influenced at all by one's genes, parents or environment.

00:00 - Chapter 1. Personality, Intelligence and Determining Difference
13:53 - Chapter 2. Measuring Personality with "The Big Five"
19:47 - Chapter 3. Defining and Measuring Intelligence
30:29 - Chapter 4. Question and Answer on Personality and Intelligence
36:32 - Chapter 5.The Roles of Genes and Environment in Explaining Human Differences
51:16 - Chapter 6. Genes, Environment and Intelligence

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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406 | How Hippocampus Learning Centers Scaled Their Social Impact - Social Entrepreneurship Course

Tue, 22 Sep 2026 21:49:00 -0000

In this lesson, explore the case study of Hippocampus Learning Centers, an Indian social enterprise providing high-quality, low-cost early learning. Discover how its founder, Umesh Malhotra, identified a critical education gap and innovated across multiple levels—product, operations, revenue, and distribution—to design a scalable and sustainable solution, continuously adapting to challenges and external cues.

🎯 Learning Objectives
• Analyze the problem identification and solution design process of a social enterprise using the Hippocampus Learning Centers case study.
• Identify how the AAAQ checklist was applied to ensure the accessibility, acceptability, and quality of early learning services.
• Explain the multi-level innovation strategies employed by Hippocampus Learning Centers across product, operations, revenue, and distribution.
• Understand the importance of continuous iteration and adaptation for scaling social ventures effectively.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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15 Set PQRST Goals: Visualize Your Job Search Success - Job Searching with Purpose

Tue, 22 Sep 2026 21:25:00 -0000

Ready to unlock your full job search potential? In this lesson, we dive into Module 4: Potential, exploring how to visualize your desired future by setting motivating and effective goals for your job hunt. Learn to apply the PQRST framework – Past tense, Quantitative & Qualitative, Realistic & Stretchy, and Toastable – to craft actionable goals that focus on the effort and process, rather than solely on outcomes, ensuring you stay focused and driven towards landing your next great role.

🎯 Learning Objectives
• Understand the PQRST framework for setting effective job search goals.
• Learn to formulate goals in the past tense to visualize future achievement.
• Incorporate both quantitative and qualitative measures into your job search objectives.
• Set goals that are both realistic and stretchy to encourage growth.
• Craft "toastable" goals that celebrate milestones and maintain motivation.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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9. Evolution, Emotion, and Reason: Love (Guest Lecture by

Tue, 22 Sep 2026 21:00:00 -0000

Introduction to Psychology (PSYC 110)

Guest lecturer Peter Salovey, Professor of Psychology and Dean of Yale College, introduces students to the dominant psychological theories of love and attraction. Specific topics include the different types of love, the circumstances that predict attraction, and the situations where people mistakenly attribute arousal for love.

00:00 - Chapter 1. Introduction to Dr Peter Salovey
01:41 - Chapter 2. Defining Love and Its Permutations
16:22 - Chapter 3. The Social Psychology of Love and Attraction
43:53 - Chapter 4. Misattribution for the Causes of Arousal
01:03:46 - Chapter 5. Question and Answer

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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16 Build Your Powerful Job Search Crew with a Stakeholder Matrix | Job Searching with Purpose

Tue, 22 Sep 2026 20:27:30 -0000

Have you ever considered the true power of your network in your job search? In this lesson, we explore how to intentionally identify and leverage a diverse "crew" of supporters, from accountability partners and personal advisory boards to connectors and even hiring executives. You'll learn how to map these crucial relationships on a stakeholder matrix, transforming your job hunt from a solitary journey into a collaborative, strategic endeavor.

🎯 Learning Objectives
• Identify and categorize your "crew" for job searching, including fellow hunters, advisory board members, and connectors
• Understand the strategic value of building a diverse support network for accountability and guidance
• Learn how to plot your stakeholders on an influence-support matrix to visualize your network
• Develop strategies to engage effectively with supportive stakeholders and manage potential detractors

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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20 Master Informational Interviews to Land Your Dream Role — Job Searching with Purpose

Tue, 22 Sep 2026 20:00:00 -0000

Are you struggling to connect with industry leaders? In this lesson, Teresa Chahine shares her highly effective, systematic approach to informational interviews, detailing a precise email formula, follow-up strategies, and best practices for conducting the interview itself, all designed to help you explore career paths and build meaningful relationships without coming across as transactional.

🎯 Learning Objectives
• Master a proven three-sentence email formula for requesting informational interviews.
• Implement effective follow-up strategies to increase response rates.
• Conduct engaging informational interviews by asking thoughtful questions and building genuine connections.
• Utilize the "snowball method" to continuously expand your professional network.
• Adopt a mindset of curiosity and humility in all networking interactions.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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20. The Good Life: Happiness

Tue, 22 Sep 2026 19:30:00 -0000

Introduction to Psychology (PSYC 110)

The last lecture in the course wraps up the discussion of clinical psychology with a discussion of treatment efficacy. Does therapy actually work? Professor Bloom summarizes the different types of influences that clinical interventions might have on people who receive therapy.

Professor Bloom ends with a review of one of the most interesting research topics in "positive psychology," happiness. What makes us happy? How does happiness vary across person and culture? What is happiness for? Students will hear how the most recent research in psychology attempts to answer these questions and learn how people are surprisingly bad at predicting what will make them happiest.

00:00 - Chapter 1. How and Why Therapy Works
07:48 - Chapter 2. Question and Answer on Therapy
11:16 - Chapter 3. Happiness and Positive Psychology
18:58 - Chapter 4. Getting Used to Happiness
42:41 - Chapter 5. Closing Remarks

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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10 Boost Your Mindset: Confidence, Humility and Self-Affirmation | Job Searching with Purpose

Tue, 22 Sep 2026 19:00:00 -0000

Is your mindset truly set for job search success? In this lesson, we delve into the essential elements of a powerful job search mindset: grounded confidence, profound humility, consistent self-affirmation, and the crucial 'next play focus'. Discover how these practices can help you navigate challenges, remain open to opportunities, and ultimately secure meaningful work by understanding and affirming your own worth while staying resilient.

🎯 Learning Objectives
• Understand the difference between grounded confidence and hubris, and how it impacts your job search.
• Cultivate humility as a tool for continuous learning and openness to new opportunities.
• Practice self-affirmation techniques to recognize your value and maintain motivation.
• Adopt a 'next play focus' mindset to effectively rebound from setbacks and stay resilient.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

Learn more about your ad choices. Visit megaphone.fm/adchoices

5. Poetry and Marriage

Tue, 22 Sep 2026 18:00:00 -0000

Milton (ENGL 220)

This second lecture on Milton's masque probes its complex depictions of virginity and chastity. The version of the masque performed in 1634 is compared with the published version of 1637, with particular emphasis on a monologue on the vanquishing powers of virginity that is created for the latter. The poet's commonplace book, specifically his notes on the self-mutilation of the medieval nuns of Coldingham, is linked to images of the body in the masque. Milton's gradual revision of his initial position favoring life-long virginity is described in detail.

00:00 - Chapter 1. Milton on Virginity, Chastity and the Threat of Rape
11:14 - Chapter 2. A Note on Chastity
16:56 - Chapter 3. Comus and the Lady: The Tension between Virginity and Chastity

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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America at 250, DeVane Lecture. Class 10-The Mexican War and its Aftermath: Compromise or Armistice

Tue, 22 Sep 2026 17:32:30 -0000

The Mexican - American War from 1846-1848 had an immense impact on the territory of America and the issue of slavery. Professor David Blight begins his series of classes with an in depth review.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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4. Introduction to Plato's Phaedo; Arguments for the existence of the soul, Part II

Tue, 22 Sep 2026 17:00:00 -0000

Death (PHIL 176)

After a brief introduction to Plato's Phaedo, more arguments are offered in this lecture in defense of the existence of an immaterial soul. The emphasis here is on the fact that we need to believe in the existence of a soul in order to explain the claim that we possess free will. This is an argument dualists use as an objection to the physicalists: since no merely physical entity could have free will, there must be more to us than just being a physical object.

00:00 - Chapter 1. Introduction to Plato's Phaedo
08:27 - Chapter 2. Creativity and Reason in Machines
13:43 - Chapter 3. Feelings in Machines, from Marvin to Hal
20:34 - Chapter 4. "Qualia" in Emotion and Consciousness: The Dualist's Defense and Its Weakness
42:20 - Chapter 5. Free Will as a Defense of the Soul and Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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America at 250, DeVane Lecture, Class 13 - Union Victory, Confederate Defeat, and Emancipation

Tue, 22 Sep 2026 16:35:00 -0000

It comes to war. Professor David Blight takes the class through the Civil War, emancipation, and shape of things to come.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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19. Immortality Part II; The value of life, Part I

Tue, 22 Sep 2026 16:00:00 -0000

Death (PHIL 176)

The lecture begins with further exploration of the question of whether it is desirable to live forever under the right circumstances, and then turns to consideration of some alternative theories of the nature of well-being. What makes a life worth living? One popular theory is hedonism, but the thought experiment of being on an "experience machine" suggests that this view may be inadequate.

00:00 - Chapter 1. What Kind of Life Is Worth Living Forever?
12:47 - Chapter 2. Can Boredom Be Eradicated in Immortal Life?
19:10 - Chapter 3. What Makes a Good Life Good?
29:11 - Chapter 4. Hedonism: Does Pleasure Exclusively Define a Good Life?
40:47 - Chapter 5. Nozick's Experience Machine: The Perfect Floating Life
46:52 - Chapter 6. Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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11. Personal identity, Part II: The body theory and the personality theory

Tue, 22 Sep 2026 15:37:30 -0000

Death (PHIL 176)

Two more views regarding the metaphysical key to personal identity are discussed: the body view and the personality view. According to the body view, an individual is identified in terms of his or her physical body. According to the personality view, an individual is identified by his or her unique set of beliefs, desires, memories, goals, and so on.

00:00 - Chapter 1. Review of Soul Theory
03:07 - Chapter 2. The Body Theory of Personal Identity
25:47 - Chapter 3. Equating the Brain with the Identity -- Implications of the Body Theory
32:35 - Chapter 4. Physicalists: Personality as the Key to Personal Identity
46:39 - Chapter 5. Soul, Body, and Personality -- Is There a Correct View? Assessment by Torture

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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9. Plato, Part IV: Arguments for the immortality of the soul (cont.)

Tue, 22 Sep 2026 15:00:00 -0000

Death (PHIL 176)

Professor Kagan elaborates on the "argument from simplicity" and discusses in detail Plato's claims that the soul is simple, changeless and therefore indestructible. The final Platonic argument under discussion is the "argument from essential properties" in which the essential properties of the soul are addressed. At the end of the lecture the question of whether one needs to argue for physicalism is posed.

00:00 - Chapter 1. Assumptions Made in the Argument from Simplicity
05:56 - Chapter 2. Plato's Defense against the Harmony Analogy
19:42 - Chapter 3. Essential and Contingent Properties and the Argument from Essential Properties
37:06 - Chapter 4. Kagan: "There is No Good Reason to Believe in Souls"
47:53 - Chapter 5. Qualifications and Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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18 Network Like a Pro: Unleash Your Inner 'Friendly Brontosaurus' | Job Searching with Purpose

Tue, 22 Sep 2026 14:40:00 -0000

Do you dread the word 'networking'? In this lesson, we redefine networking as authentic community building, emphasizing a two-way exchange of value. Learn to leverage your curiosity and personal 'two triangles' to forge meaningful connections, strategically utilize LinkedIn to uncover unadvertised opportunities, and master effective outreach methods, including the powerful 'Self-Contained Forwardable Email' and the persistent 'friendly brontosaurus' approach to ensure your messages resonate and lead to success.

🎯 Learning Objectives
• Understand authentic networking as a mutually beneficial "community building" process.
• Discover how to strategically use LinkedIn to identify and approach unadvertised job opportunities.
• Master the "Self-Contained Forwardable Email" (SCFE) for effective warm introductions.
• Learn techniques for crafting targeted unsolicited outreach and persistent follow-ups, inspired by the "friendly brontosaurus" approach.
• Appreciate the vital human-to-human element in job searching, even in an AI-driven world.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

Learn more about your ad choices. Visit megaphone.fm/adchoices

America at 250 Podcast Episode 4: Frederick Douglass, The Slave Power, and The Fourth of July

Tue, 22 Sep 2026 14:00:00 -0000

Professors Beverly Gage and Joanne Freeman ask Professor David Blight about his recent lectures covering early Republicans, The Slave Power conspiracy, and the slave narratives that affected them most.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

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27. Legacies of the Civil War

Tue, 22 Sep 2026 13:49:00 -0000

The Civil War and Reconstruction Era, 1845-1877 (HIST 119)

Professor Blight finishes his lecture series with a discussion of the legacies of the Civil War. Since the nineteenth century, Blight suggests, there have been three predominant strains of Civil War memory, which Blight defines as reconciliationist, white supremacist, and emancipationist. The war has retained a political currency throughout the years, and the ability to control the memory of the Civil War has been, and continues to be, hotly contested.

00:00 - Chapter 1. Introduction: Legacies of the Civil War
08:29 - Chapter 2. Catton's "Lost Cause" Interpretation: The Dependence of Memory on Historical Period
19:21 - Chapter 3. Reconciliationist, White Supremacist and Emancipationist Memories
29:11 - Chapter 4. The Shifting Grasp and Struggle to Control Civil War Memories
44:57 - Chapter 5. Echoes of the Civil War, Hope for Racial Equality: A Conclusion?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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America at 250: A History, DeVane Lecture, Class 8 – Jacksonian "Democracy”

Tue, 22 Sep 2026 13:42:30 -0000

Jeffersonian Republicans to the rise of Jackson populism. Professor Joanne Freeman discusses the impact of the election of 1800 and more.

This lecture was recorded in Yale’s Sprague Hall. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

Learn more about your ad choices. Visit megaphone.fm/adchoices

America at 250, DeVane, Class 11 - Road to Disunion: Politics, Dred Scott, and the Crisis of 1850s

Tue, 22 Sep 2026 13:00:00 -0000

Beginning with the Dred Scott decision, Professor David Blight continues with the lead up to the Civil War.

Class 11 was recorded in Yale's Sprague Hall. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.
David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.

The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

Learn more about your ad choices. Visit megaphone.fm/adchoices

Module 10 | Caroline Tanbee Smith on Pitching and Communications - Social Entrepreneurship Interview

Tue, 22 Sep 2026 12:45:00 -0000

How can social entrepreneurs effectively communicate their vision and build lasting trust within their communities? In this lesson, we sit down with Caroline Tanbee Smith, founder of Collab, a New Haven-based community accelerator, to explore the art of pitching and the strategic development of communication plans. Caroline shares insights from Collab's mission to empower underserved entrepreneurs, emphasizing how authentic communication and a strong foundation of trust are crucial for impact and growth.

🎯 Learning Objectives
• Develop confidence in pitching by centering your unique expertise and understanding your audience.
• Identify key stakeholders for your social venture and tailor communication strategies to build trust with each group.
• Learn how to leverage digital platforms and community networks to scale trust-building and reach a broader audience.
• Recognize that the quality and authenticity of your work are the most powerful forms of communication.
• Explore innovative approaches to organizational reporting, like annual reports, as tools for transparency, celebration, and community engagement.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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10. J. D. Salinger, Franny and Zooey

Tue, 22 Sep 2026 12:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this lecture on J. D. Salinger's Franny and Zooey, Professor Hungerford presents her argument about religion in the novel as an example to students of how to construct a sound literary critical paper using evidence from the text. Moving between large claims and close readings, Hungerford shows how Salinger prevents his investment in mysticism from becoming mystification by grounding his sense of the divine in the specificity of persons, the importance of family language and love. In this way writing, like the theme of acting that appears again and again in the novel, models a spiritual performance that brings together artist and audience in the partnership of human communication.

00:00 - Chapter 1. Forming a Literary Argument: Advice for Paper Writing
08:25 - Chapter 2. The Theological Theme: Specific Doctrine versus Syncretic Religion
29:06 - Chapter 3. Structures of Drama
35:08 - Chapter 4. Religion and Love: The Performance of Human Connection
44:38 - Chapter 5. Final Notes on Paper Writing

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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America at 250, DeVane Lecture, Class 14 -Reconstruction: Andrew Johnson vs. the Radical Republicans

Tue, 22 Sep 2026 11:47:30 -0000

“Beware the people weeping, when they bear the iron hand.” Professor David Blight examines Reconstruction, in its many forms.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.

The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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1102 | Beyond Your Venture: 9 Ways to Expand Social Impact - Social Entrepreneurship Course

Tue, 22 Sep 2026 11:00:00 -0000

In this lesson, we explore the multifaceted approaches social entrepreneurs can take to expand their impact beyond direct service delivery. Discover how your work can serve as a powerful platform for influencing other organizations, individuals, and even entire systems, moving towards a new equilibrium that considers all stakeholders.

🎯 Learning Objectives
• Understand the role of knowledge sharing and thought leadership in expanding social impact.
• Learn how to engage in policymaking and form strategic partnerships with government and other sectors for broader implementation.
• Explore different models of collective action and collaboration, including collective impact initiatives and building communities of practice.
• Grasp the concept of building movements and fostering new social innovation ecosystems for large-scale systemic change.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#socialentrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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2.1 | From Food to Software: The FDA's Evolving Mission and History - Medical Software Course

Tue, 22 Sep 2026 10:50:00 -0000

In this lesson, we dive into the fascinating history and crucial mission of the FDA, exploring how this vital agency evolved from regulating food and drugs to overseeing complex medical software. We'll examine the landmark events, like the Therac-25 disaster, that propelled the FDA into its current role, emphasizing the core principles of efficacy, safety, and security that guide its oversight of medical software products.

🎯 Learning Objectives
• Explore the historical evolution and core mission of the FDA.
• Understand how major incidents like the Therac-25 accidents shaped medical software regulation.
• Define the critical principles of efficacy, safety, and security as applied by the FDA to medical devices and software.
• Identify the scope of FDA regulation for different types of software.

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14. What Motivates Us: Sex

Tue, 22 Sep 2026 10:00:00 -0000

Introduction to Psychology (PSYC 110)

This lecture reviews what evolutionary theories and recent studies in psychology can tell us about sex and gender differences. Students will hear how psychology can help explain many of the differences that exist in whom we find attractive, what we desire in a mate, and sexual orientation.

00:00 - Chapter 1. Addressing Morality and Inevitability on Evolution, Sex and Gender
10:47 - Chapter 2. Basic Sex Ed
19:22 - Chapter 3. Sex Differences Among Humans
32:15 - Chapter 4. Beauty: An Average Face
38:25 - Chapter 5. Social Factors for Sex Differences
45:52 - Chapter 6. Sexual Orientation
51:39 - Chapter 7. Question and Answer on Sex and Gender

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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America at 250: A History, DeVane Lecture, Class 22 - Anticommunism and the American Way

Tue, 22 Sep 2026 09:52:30 -0000

The aftermath of World War II brought prosperity to America along with a growing fear of Communism. Professor Beverly Gage brings the class through the ‘red scare’ and a new security state.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.

The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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1. Introduction: Milton, Power, and the Power of Milton

Tue, 22 Sep 2026 09:00:00 -0000

Milton (ENGL 220)

An introduction to John Milton: man, poet, and legend. Milton's place at the center of the English literary canon is asserted, articulated, and examined through a discussion of Milton's long, complicated association with literary power. The conception of Miltonic power and its calculated use in political literature is analyzed in the feminist writings of Lady Mary Chudleigh, Mary Astell, and Virginia Woolf. Later the god-like qualities often ascribed to Miltonic authority are considered alongside Satan's excursus on the constructed nature of divine might in Paradise Lost, and the notorious character's method of analysis is shown to be a useful mode of encountering the author himself.

00:00 - Chapter 1. Introduction: Milton's Power as a Poet
15:37 - Chapter 2. Lady Mary Chudleigh on Milton and the Priority of the Sexes
19:42 - Chapter 3. Mary Astell on Milton and the Priority of the Sexes
24:03 - Chapter 4. Virginia Woolf on Milton and the Priority of the Sexes
32:20 - Chapter 5. Milton, Power and the Revolution against God by Satan

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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20. Paradise Lost, Books XI-XII (cont.)

Tue, 22 Sep 2026 08:55:00 -0000

Milton (ENGL 220)

In this final lecture on Paradise Lost, Book Twelve's justification for the expulsion of Adam and Eve from the garden is examined alongside the Genesis account. The nature of Milton's God, whether literal or liberal, is examined at length. The poem's closing lines are closely read, with substantial attention paid to Milton's final, complicated take on the poem-long consideration of Providence and free will.

00:00 - Chapter 1. Introduction
04:37 - Chapter 2. "The Christian Doctrine": Milton's Theological Treatise
08:58 - Chapter 3. Milton, The Book of Genesis and the Expulsion of Adam and Eve
17:57 - Chapter 4. Milton's Conflicting Accounts of Key Moments in Christian History
31:45 - Chapter 5. God's Divine and Eternal Providence

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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17 Master Your Job Search: The Ultimate Hunt Dashboard Guide | Job Searching with Purpose

Tue, 22 Sep 2026 08:00:00 -0000

In this lesson, you'll learn how to build and leverage your personalized 'Hunt Dashboard' – a dynamic spreadsheet that brings together all aspects of your job search. This central control panel helps you effectively manage contacts, track potential opportunities, and prioritize your efforts by integrating your purpose and desired outcomes, transforming your job hunt into a strategic and accountable process.

🎯 Learning Objectives
• Understand the critical role of the Hunt Dashboard as a centralized tool for your job search.
• Learn to customize the dashboard with personal branding and integrate your core purpose and goals.
• Develop strategies for populating and rating your network on the 'Potential-People' tab.
• Master the 'Progress Masterlist' to track opportunities and prioritize them using personal fit criteria.
• Employ 'cold' and 'hot' tabs to efficiently manage leads and intensify focus on promising opportunities.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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706 | Master Your Financial Template: From Revenue to Profit – Social Entrepreneurship Course

Tue, 22 Sep 2026 07:57:30 -0000

Ready to put your social venture's financial viability into numbers? This lesson introduces a simplified financial template tool, guiding you through the process of quantifying your venture's financial aspects. Learn how to estimate revenue, categorize variable and fixed expenses, understand critical cash flow, and plan for startup costs. The goal is to equip you with the initial estimates needed to start meaningful conversations with stakeholders and strategically decide how to manage any surplus revenue.

🎯 Learning Objectives
• Understand the purpose and components of a simplified financial template.
• Learn how to calculate market size and define your unit offering for financial projections.
• Distinguish between and estimate variable and fixed expenses for your social venture.
• Analyze revenue streams and understand the importance of cash flow for sustainability.
• Explore strategies for utilizing surplus revenue and its implications for organizational structure (for-profit vs. non-profit).

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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19. What Happens When Things Go Wrong: Mental Illness, Part II

Tue, 22 Sep 2026 07:00:00 -0000

Introduction to Psychology (PSYC 110)

This lecture continues to cover one of the most salient areas within the field of psychology known as psychopathology, or clinical psychology. Following a discussion of the different ways of defining mental illness, Professor Bloom reviews several classes of clinical diagnoses including schizophrenia, anxiety disorders, dissociative disorders, and personality disorders. The lecture concludes with a brief introduction to therapy.

00:00 - Chapter 1. Identifying Mental Illness
11:30 - Chapter 2. Schizophrenia
24:51 - Chapter 3. Anxiety Disorders
30:35 - Chapter 4. Question and Answer on Schizophrenia and Anxiety Disorders
35:02 - Chapter 5. Dissociative Identity Disorders
44:58 - Chapter 6. Question and Answer on Dissociative Identity Disorders
46:31 - Chapter 7. Personality Disorders
54:33 - Chapter 8. Brief History on Therapy

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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Low-Cost, High-Nutrition Eating for Graduate Students: Kitchen Setup

Tue, 22 Sep 2026 07:00:00 -0000

In this module, set up your kitchen for success with Dr. Nate Wood. Learn about essential kitchen tools and organization tips to make cooking more efficient and enjoyable.

Managing your finances as a student is challenging. Yale’s Graduate and Professional Student Senate collaborated with Dr. Nate Wood, Assistant Professor and Director of Culinary Medicine at the Yale School of Medicine, to create this video series aimed at helping our community to shop and eat affordably and nutritiously.

According to a 2024 Senate report, 30% of Yale's graduate and professional students experience food insecurity. Our goal is to provide tangible support through practical tips, recipes, and strategies. For more resources or to share your thoughts, use our contact form!
https://www.gpsenate.yale.edu/contact

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22 The Hunt So Far: Essential Steps for a Purpose-Driven Job Search | Job Searching with Purpose

Tue, 22 Sep 2026 06:02:30 -0000

In this lesson, we take a moment to reflect on the comprehensive journey of 'The Hunt,' summarizing the core ideas from Modules 1 through 5. We'll revisit how job searching transcends merely finding a job, focusing instead on discovering a better fit for your true self and purpose, anchoring your internal work, defining your 'why,' setting priorities, creating motivating goals, and building your personalized hunt dashboard.

🎯 Learning Objectives
• Understand the foundational importance of anchoring yourself and internal work in Module 1
• Recall how to articulate your purpose and craft an impact statement from Module 2
• Review the process of defining priorities and structuring your personal pitch using the two triangles from Module 3
• Summarize the approach to setting motivating process-oriented goals and identifying key allies from Module 4
• Grasp the integration of all concepts into a personalized hunt dashboard and tailored outreach strategies as covered in Module 5

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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26. Race and Reunion: The Civil War in American Memory

Tue, 22 Sep 2026 06:00:00 -0000

The Civil War and Reconstruction Era, 1845-1877 (HIST 119)

Having dealt with the role of violence and the Supreme Court in bringing about the end of Reconstruction in his last lecture, Professor Blight now turns to the role of national electoral politics, focusing in particular on the off-year Congressional election of 1874 and the Presidential election of 1876. 1874 saw the return of the Democrats to majority status in the Senate and the House of Representatives, as voters sick of corruption and hurt by the Panic of 1873 fled the Republicans in droves. According to many historians, the contested election of 1876, and the "Compromise of 1877," which followed it, marked the official end of Reconstruction. After an election tainted by fraud and violence, Republicans and Democrats brokered a deal by which Republican Rutherford B. Hayes took the White House in exchange for restoration of "home rule" for the South.

00:00 - Chapter 1. Introduction: Exhibitions and Elections of 1876
11:21 - Chapter 2. The Off-Year Congressional Election of 1874: Shifts in Party Representation
22:26 - Chapter 3. Confusion in Rhetoric and Votes: The Presidential Election of 1876
37:16 - Chapter 4. The Ensuing Election Dispute and "Compromise of 1877"
49:48 - Chapter 5. The Return of "Home Rule" in the South and the End of Reconstruction

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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502 | Find Your North Star: Crafting Your Organizational Compass - Social Entrepreneurship Course

Tue, 22 Sep 2026 05:49:00 -0000

In this lesson, we explore the concept of the 'organizational compass,' which includes your value proposition, vision, mission, and values. Understanding and articulating these core elements is crucial for guiding your team internally and effectively communicating your purpose and goals to external stakeholders.

🎯 Learning Objectives
• Understand the components of an organizational compass, including value proposition, vision, mission, and values.
• Learn how to articulate a compelling value proposition using a simple formula.
• Differentiate between an organizational vision (the 'why') and a mission (the 'what').
• Identify how core values shape organizational culture and guide decision-making.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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8. Plato, Part III: Arguments for the immortality of the soul (cont.)

Tue, 22 Sep 2026 05:05:00 -0000

Death (PHIL 176)

The lecture focuses exclusively on one argument for the immortality of the soul from Plato's Phaedo, namely, "the argument from simplicity." Plato suggests that in order for something to be destroyed, it must have parts, that is, it must be possible to "take it apart." Arguing that the soul is simple, that it does not have parts, Plato believes that it would logically follow that the soul is indestructible.

00:00 - Chapter 1. Frailties in "Recycling" and "Recollecting" Arguments
09:21 - Chapter 2. The Argument from Simplicity
19:01 - Chapter 3. Does Indestructibility and Invisibility of the Soul Necessarily Mean Immortality? Objections from Cebes and Simmias
30:36 - Chapter 4. Harmony as a Counter Analogy
42:36 - Chapter 5. Radio Waves - To Detect Rather Than to Sense the Soul

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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4.4 | The Core of Safety: Introduction to Risk Management | Medical Software Course

Tue, 22 Sep 2026 05:00:00 -0000

In this lesson, we dive into the foundational principles of risk management, an essential discipline for ensuring safety and reliability in medical software. Discover why no software can guarantee 100% safety, and how risk management provides a systematic approach to identify, evaluate, and control potential hazards throughout the entire product lifecycle, from design to retirement. We'll explore key definitions and established standards that guide engineers in proactively addressing what can go wrong to minimize harm.

🎯 Learning Objectives
• Define key terms such as harm, hazard, hazardous situation, and risk within the context of medical software.
• Understand the systematic process and core components of risk management as outlined in standards like ISO 14971.
• Recognize that risk management is an continuous process integrated across all phases of the medical software lifecycle.
• Identify various categories of hazards and risks that can impact medical software, including user, application, device, environment, and security risks.
• Appreciate the significant impact of risk management on a company's operations, reputation, and overall business strategy.

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15. A Person in the World of People: Morality

Tue, 22 Sep 2026 04:07:30 -0000

Introduction to Psychology (PSYC 110)

Professor Bloom provides an introduction to psychological theories of morality. Students will learn how research in psychology has helped answer some of the most central questions about human morality. For instance, which emotions are "moral" and why did these moral feelings evolve? What factors guide our moral judgments? And what factors predict when good people will do bad things?

00:00 - Chapter 1. Kin Selection, Cooperation and Moral Feelings
23:07 - Chapter 2. Moral Reasoning and Moral Judgments
38:46 - Chapter 3. Milgram's Work in the Context of Morality
46:19 - Chapter 4. Two Forces for Evil, Two Forces for Good

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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16. Dying alone; The badness of death, Part I

Tue, 22 Sep 2026 04:00:00 -0000

Death (PHIL 176)

Professor Kagan puts forward the claim that Tolstoy's character Ivan Ilych is quite the typical man in terms of his views on mortality. All of his life he has known that death is imminent but has never really believed it. When he suddenly falls ill and is about to die, the fact of his mortality shocks him. In trying to further access how people think about death, Professor Kagan explores the claim that "we all die alone," presents a variety of arguments against it and ends by considering whether the primary badness of death could lie in the effects on those who are left behind.

00:00 - Chapter 1. Ilyich's Reaction to Death: Typical, but Why?
01:34 - Chapter 2. Near-Death Experiences as Reminders of Mortality
08:11 - Chapter 3. "Everyone Dies Alone": Common Belief, but Necessary Truth?
13:53 - Chapter 4. Deconstructing the "Dying Alone" Statement
27:59 - Chapter 5. Weaknesses in Interpreting "Dying Alone" as Observation of Human Psychology
34:56 - Chapter 6. Introduction to Value Theory: Is Death Bad?

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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2. Foundations: This Is Your Brain

Tue, 22 Sep 2026 03:10:00 -0000

Introduction to Psychology (PSYC 110)

This lecture introduces students to two broad theories of how the mind relates to the body. Dualism is the ubiquitous and intuitive feeling that our conscious mind is separate from our physical bodies, whereas Materialism is the idea that all of our mental states are caused by physical states of the brain. This lecture reviews arguments explaining why materialism has become the predominant theory of mind in psychology. This discussion is followed by a basic overview of the neurophysiology of the brain.

00:00 - Chapter 1. The Brain, the Mind and Dualism
12:06 - Chapter 2. Scientific Consensus Against Dualism
19:28 - Chapter 3. The Neuron: The Basic Building Blocks of Thought
32:58 - Chapter 4. The Different Parts of the Brain
44:47 - Chapter 5. Mechanist Conception and the Hard Problem of Consciousness

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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21 Craft Your Story, Not Your Self: Authentic Job Search Narratives | Job Searching with Purpose

Tue, 22 Sep 2026 03:00:00 -0000

Are you struggling to present your true self in job interviews? In this insightful lesson, Heidi Brooks discusses the critical distinction between crafting a compelling narrative about yourself and bending your authentic self to meet perceived expectations. Learn how to develop a clear, genuine story that resonates with interviewers while remaining true to your values, allowing for real-time responsiveness and authentic connection.

🎯 Learning Objectives
• Differentiate between crafting a compelling narrative and bending your authentic self in a job search.
• Understand why it's crucial to prepare your personal stories and a clear narrative for interviews.
• Learn strategies for asking open-ended, curious questions to build genuine connections during interviews.
• Discover how to use interview experiences to continuously refine your job search strategy.
• Develop a more responsive and authentic approach to job search conversations.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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11. Evolution, Emotion, and Reason: Emotions, Part I

Tue, 22 Sep 2026 02:12:30 -0000

Introduction to Psychology (PSYC 110)

This class is an introduction to the evolutionary analysis of human emotions, how they work, why they exist, and what they communicate. In particular, this lecture discusses three interesting case studies, that of happiness (e.g., smiling), fear and the emotions we feel towards our relatives. Finally, this lecture ends with a brief discussion of babies' emotional responses to their caregivers.

00:00 - Chapter 1. The Different Functions of Emotions
09:06 - Chapter 2. Phineas Gage and The Loss of Emotional Capacity
15:45 - Chapter 3. Facial Expressions and Smiles in Particular
28:08 - Chapter 4. Question and Answer on Smiles
32:22 - Chapter 5. Non-Social Emotions: Fear
36:29 - Chapter 6. Social Emotions and Altruism

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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4. Foundations: Skinner

Tue, 22 Sep 2026 02:00:00 -0000

Introduction to Psychology (PSYC 110)

Professor Bloom opens with a brief discussion of the value and evolutionary basis of unconscious processing. The rest of this lecture introduces students to the theory of Behaviorism, particularly the work of prominent behaviorist, B. F. Skinner. Different types of learning are discussed in detail, as well as reasons why behaviorism has been largely displaced as an adequate theory of human mental life.

00:00 - Chapter 1. A Brief Review on the Unconscious
06:32 - Chapter 2. B. F. Skinner and Behaviorism
11:45 - Chapter 3. Habituation: The Very Simplest Form of Learning
14:25 - Chapter 4. Classical Conditioning: Associating Stimulus
31:18 - Chapter 5. Operant Conditioning: Operating on the Environment
45:12 - Chapter 6. Question and Answer on Behaviorism
46:44 - Chapter 7. Controversies and Criticisms on Behaviorism

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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8. Conscious of the Present; Conscious of the Past:

Tue, 22 Sep 2026 01:15:00 -0000

Introduction to Psychology (PSYC 110)

In this lecture, Professor Bloom reviews the basic psychological research on memory. Specific topics covered include the different memory types, memory limitations, strategies that improve memory, and memory disorders. This lecture also includes a discussion of several important social implications for memory research, such as recovered memories, and the influence of suggestibility on eyewitness testimony.

00:00 - Chapter 1. Distinctions Between Short-Term and Long-Term Memory
13:22 - Chapter 2. How Structure and Organization Affects Long-Term Memory
18:27 - Chapter 3. Memory Retrieval
25:50 - Chapter 4. Memory Failure
37:15 - Chapter 5. The Power of Suggestion on Memory
44:56 - Chapter 6. Hypnosis, Repressed Memory and Flashbulb Memories
52:45 - Chapter 7. Question and Answer on Memory

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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DeVane Lectures, America at 250 Podcast Episode 3: What is a Republic?

Tue, 22 Sep 2026 01:00:00 -0000

Professors David Blight, Beverly Gage, and Joanne Freeman discuss Professor Freeman's final lectures on Alexander Hamilton, Andrew Jackson, and how America's experiment with democracy was received by outsiders.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

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12. The Blind Prophet

Tue, 22 Sep 2026 00:17:30 -0000

Milton (ENGL 220)

This lecture focuses on the invocation to light at the beginning of Book Three of Paradise Lost. Milton's factual and figurative understanding of his blindness is traced through his letters, Sonnet XXII, and the later epic Samson Agonistes. Particular emphasis is placed on the transformation of blindness in the corpus from a spiritual punishment to a poetic gift. The implications of biographical interpretations of literature are also touched upon.

00:00 - Chapter 1. Introduction: Milton's Blindness
04:47 - Chapter 2. How Milton and His Contemporaries Interpreted His Blindness
17:35 - Chapter 3. Light and the Creation Account: Comparing Milton and The Book of Genesis
39:09 - Chapter 4. Blindness Explored in Samson Agonistes

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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America at 250: A History, DeVane Lecture, Class 17 - A Violent Reunion

Tue, 22 Sep 2026 00:00:00 -0000

A Violent Reunion: The Lost Cause, New South and Origins of Jim Crow.
The lingering costs of the Civil War, Jim Crow, and the westward expansion are topics of Professor David Blight’s final lecture in the series.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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1006 | A Yale MBA's Social Enterprise Pitch: 'Act to Change' - Social Entrepreneurship Course

Mon, 21 Sep 2026 23:20:00 -0000

In this lesson, dive into a real-world case study featuring a Yale MBA student's pitch for "Act to Change," a nonprofit dedicated to ending Asian American and Pacific Islander bullying. Following the pitch, receive expert analysis and constructive feedback on both content and delivery, designed to help you refine your own social enterprise presentations.

🎯 Learning Objectives
• Analyze the essential components of a compelling social enterprise pitch.
• Understand how to effectively articulate a problem, vision, solution, and impact.
• Identify critical elements like origin story, growth plans, and financial viability in a pitch.
• Learn the importance of a clear "theory of change" and a specific call to action.
• Refine delivery techniques, including managing filler words and body language.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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America at 250 Podcast Episode 5: The Cause of the Civil War

Mon, 21 Sep 2026 23:00:00 -0000

In this episode, Professor David Blight answers the simple question: What caused the Civil War?

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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Low-Cost, High-Nutrition Eating for Graduate Students: Grocery Shopping

Mon, 21 Sep 2026 22:22:30 -0000

In this video, maximize your grocery budget with smart shopping tips. Join Dr. Nate Wood as he guides you through selecting affordable and nutritious options at the grocery store.

Managing your finances as a student is challenging. Yale’s Graduate and Professional Student Senate collaborated with Dr. Nate Wood, Assistant Professor and Director of Culinary Medicine at the Yale School of Medicine, to create this video series aimed at helping our community to shop and eat affordably and nutritiously.

According to a 2024 Senate report, 30% of Yale's graduate and professional students experience food insecurity. Our goal is to provide tangible support through practical tips, recipes, and strategies. For more resources or to share your thoughts, use our contact form!
https://www.gpsenate.yale.edu/contact

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13. Personal identity, Part IV; What matters?

Mon, 21 Sep 2026 22:00:00 -0000

Death (PHIL 176)

The personality theory is revised to state that the key to personal identity is having the same personality provided that there is no branching, that is, provided there is no transfer or duplication of the same personality from one body to another. Similar "no branching" requirements are added to the other theories as well. At the end of class, Professor Kagan suggests a shift from thinking about the survival of the soul in terms of "what does it take to survive?" to "what is it that matters in survival?".

00:00 - Chapter 1. Introduction -- The Personality Theory and No Branching
05:29 - Chapter 2. Fission Is Not Allowed -- The Body Theorist's No Branching Rule
19:31 - Chapter 3. The Metaphysics of Soul-Splitting
35:57 - Chapter 4. What Matters in Survival? Refocusing the Question on Personal Identity
47:43 - Chapter 5. Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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9. John Brown's Holy War: Terrorist or Heroic Revolutionary?

Mon, 21 Sep 2026 21:49:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight narrates the momentous events of 1857, 1858, and 1859. The lecture opens with an analysis of the famous Lincoln-Douglas debates of 1858. Next, Blight analyzes the Dred Scott decision and discusses what it meant for northerners--particularly African Americans--to live in "the land of the Dred Scott decision." The lecture then shifts to John Brown. Professor Blight begins by discussing the way that John Brown has been remembered in art and literature, and then offers a summary of Brown's life, closing with his raid on Harpers Ferry in October of 1859.

00:00 - Chapter 1. Introduction
04:04 - Chapter 2. "A House Divided": The Lincoln-Douglas Debates
10:12 - Chapter 3. Implications of the Dred Scott Decision and the Panic of 1857
23:48 - Chapter 4. John Brown: His Early Life and Beliefs
45:13 - Chapter 5. Planning the Raid on Harpers Ferry
50:34 - Chapter 6. Brown's Capture and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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25. Suicide, Part II: Deciding under uncertainty

Mon, 21 Sep 2026 21:25:00 -0000

Death (PHIL 176)

The discussion of suicide continues. A few more cases are introduced to consider circumstances under which it might be rational to end one's life, and more graphs are drawn that show relevant variations in the quality of one's life. A question is then posed about how one should make a decision about continuing or ending life, given that one cannot know the future with certainty. Finally, two quick moral arguments concerning suicide which rest on theological premises are presented.

00:00 - Chapter 1. Is Suicide Itself Rational? A Time-Value Analysis
12:58 - Chapter 2. To Continue or End Life Given the Uncertainty of Death
25:30 - Chapter 3. Rationalizing Suicide in Cases of Illness
36:40 - Chapter 4. Introduction to the Morality of Suicide: Is Life a Gift?

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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15. Marilynne Robinson, Housekeeping

Mon, 21 Sep 2026 21:00:00 -0000

The American Novel Since 1945 (ENGL 291)

Professor Hungerford situates Marilynne Robinson's novel Housekeeping (1980) in a tradition of American writing about the individual's relationship to nature that includes the powerful influences of the Bible, Herman Melville, and Ralph Waldo Emerson. The loss of identity that Emerson describes as becoming a "transparent eyeball" in the woods, Robinson brings into the realm of the home, the built environment. The individual voice and its guiding consciousness are all mixed up in the material substance of the world, giving them a concurrent fixity and fragility that it is Robinson's talent, and our challenge, to explore.

00:00 - Chapter 1. Names and Introductions: My Name is Ruth
10:09 - Chapter 2. Crafting Social Worlds: The Communal and the Singular
20:14 - Chapter 3. Permeable Identity: Anonymity and Ghostliness
31:03 - Chapter 4. The "Soul All Unaccompanied": Matching Language to Consciousness

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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5. Arguments for the existence of the soul, Part III: Free will and near-death experiences

Mon, 21 Sep 2026 20:27:30 -0000

Death (PHIL 176)

Professor Kagan discusses in detail the argument of free will as proof for the existence of an immaterial soul. The argument consists of three premises: 1) We have free will. 2) Nothing subject to determinism has free will. 3) All purely physical systems are subject to determinism. The conclusion drawn from this is that humans are not a purely physical system; but Professor Kagan explains why this argument is not truly compelling. In addition, near-death experiences and the Cartesian argument are discussed at length.

00:00 - Chapter 1. The Dualist's Stance on Free Will and the Soul's Existence
04:57 - Chapter 2. Determinism and Free Will Cannot Coexist -- Inspecting Incompatibility
15:22 - Chapter 3. Positing the Soul's Existence for Near-Death Experiences
28:14 - Chapter 4. Does a Physical Understanding of Supernatural Phenomena Exist?
36:33 - Chapter 5. Introduction to Descartes's Cartesian Argument: The Mind and the Body Are Not the Same
45:34 - Chapter 6. Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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16. Days of Jubilee: The Meanings of Emancipation and Total War

Mon, 21 Sep 2026 20:00:00 -0000

The Civil War and Reconstruction (HIST 119)

This lecture focuses on the process of emancipation after the passage of the Emancipation Proclamation on January 1, 1863. The Proclamation, Professor Blight suggests, had four immediate effects: it made the Union army an army of emancipation; it encouraged slaves to strike against slavery; it committed the US to a policy of emancipation in the eyes of Europe; and it allowed African Americans to enlist in the Union Army. In the end, ten percent of Union soldiers would be African American. A number of factors, Professor Blight suggests, combined to influence the timing of emancipation in particular areas of the South, including geography, the nature of the slave society, and the proximity of the Union army.

00:00 - Chapter 1. Introduction: Freed Slaves on the Battlefield
06:58 - Chapter 2. The Immediate Effects of the Emancipation Proclamation and Ensuing Domestic Criticisms
24:47 - Chapter 3. Which Slaves Are Free? Which Slaves Can Fight?
31:01 - Chapter 4. Recognizing and Mobilizing Emancipation: The Story of Wallace Turnage
42:22 - Chapter 5. Higginson's Account of the Proclamation and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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4.3 | IMDRF QMS and Software Lifecycle: Mastering Quality Management for Medical Software Course

Mon, 21 Sep 2026 19:30:00 -0000

How can quality management systems truly empower your medical software development, rather than hinder it? In this lesson, we conclude our exploration of the IMDRF QMS guidance, focusing on the critical 'realization and use processes' for medical software. We delve into the standard waterfall cycle and its connection to the IEC 62304 international standard for medical software lifecycles, with a particular emphasis on effective requirements management and the overarching philosophy that a QMS should be a flexible tool for achieving high quality and efficiency, even accommodating necessary experimentation.

🎯 Learning Objectives
• Understand the conclusion of the IMDRF QMS guidance, specifically the 'realization and use processes'.
• Explore the relationship between Quality Management Systems (QMS) and the medical software lifecycle, including the waterfall cycle and IEC 62304.
• Identify key considerations for effective requirements management in medical software development.
• Appreciate the role of a QMS as a flexible tool for ensuring quality, safety, and efficiency.
• Recognize the importance of balancing QMS rigor with the need for experimentation in software innovation.

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20. Philip Roth, The Human Stain (cont.)

Mon, 21 Sep 2026 19:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this lecture Professor Hungerford discusses how the novels we read are shaped by legal and market constraints. She traces a history of censorship from the Comstock laws, to the policing of Joyce's Ulysses and Ginsberg's Howl, and shows how changes in publishing practices have tended to penalize more unusual, less profitable books. Hungerford also touches on the canon debates of the 80s and 90s (citing John Guillory and Toni Morrison), and the issues of intellectual property and internationalization raised by digital literature. Finally, she points to some ways that Philip Roth, despite his controversial representations of Judaism and of women, succeeds in tackling fundamental human concerns.

00:00 - Chapter 1. Observing Local Bookshops: Patterns of Display and Absence
12:28 - Chapter 2. The History of Legal Censorship in the United States
23:43 - Chapter 3. New Forms of Censorship: The Influence of the Market
31:41 - Chapter 4. The Other Side of the Coin: Intellectual Property and Infinite Access in the Digital Age
35:15 - Chapter 5. Problems in Deriving the Modern Literary Canon: A Proliferation of Points of View

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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17. A Person in the World of People: Self and Other, Part II;

Mon, 21 Sep 2026 18:00:00 -0000

Introduction to Psychology (PSYC 110)

This lecture begins with the second half of the discussion on social psychology. Students will learn about several important factors influencing how we form impressions of others, including our ability to form rapid impressions about people. This discussion focuses heavily upon stereotypes, including a discussion of their utility, reliability, and the negative effects that even implicit stereotypes can incur.

The second half of the lecture introduces students to two prominent mysteries in the field of psychology. First, students will learn what is known and unknown about sleep, including why we sleep, the different types of sleep, disorders, and of course, dreams, what they are about and why we have them. Second, this half reviews how laughter remains a mysterious and interesting psychological phenomenon. Students will hear theories that attempt to explain what causes us to laugh and why, with a particular emphasis on current evolutionary theory.

00:00 - Chapter 1. First and Fast: How We Form Impressions of Others
11:15 - Chapter 2. Positive Uses and Negative Effects of Stereotypes
27:19 - Chapter 3. Implicit Attitudes
34:47 - Chapter 4. Question and Answer on Stereotypes
38:09 - Chapter 5. The Minor Mystery of Sleep
44:49 - Chapter 6. The Greater Mystery of Dreams
51:31 - Chapter 7. The True Mystery of Laughter

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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America at 250: A History, DeVane Lecture, Class 15–The Defeat of Reconstruction, 1870-1877 and Beyond

Mon, 21 Sep 2026 17:32:30 -0000

The DeVane Lectures, America at 250: A History. Class 15 “ The Defeat of Reconstruction, 1870-1877 and Beyond”
The Presidential election of 1868 was the first after the Civil War and the first where freed slaves could vote. The 1860s and 1870s are explored by Professor David Blight.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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America at 250 Podcast Episode 9: WWII and The Cold War

Mon, 21 Sep 2026 17:00:00 -0000

Professors Joanne Freeman and David Blight ask Professor Beverly Gage about her recent lectures on World War II and the Cold War.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

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22. Fear of death

Mon, 21 Sep 2026 16:35:00 -0000

Death (PHIL 176)

Professor Kagan explores the issue of how thinking about death may influence the way we live. Fear as an emotional response to death is discussed as well as whether it is appropriate and under what conditions. A distinction is made between fear of the process of dying, and fear of death itself and what may come when one is dead. Finally, a number of other negative emotions are considered as possible appropriate responses to death and dying, such as anger, sadness, and sorrow.

00:00 - Chapter 1. How Should Thinking about Death Influence Behavior?
02:14 - Chapter 2. Is Fear of Death a Rational Appropriate Response?
08:40 - Chapter 3. Required Conditions for Feeling Fear of Death
22:06 - Chapter 4. What Is Meant by Fear? How Much of This Fear Is Appropriate?
34:29 - Chapter 5. Anger as Another Emotional Reaction to Death
44:49 - Chapter 6. Sorrow and Preciousness: Other Emotions on Death and Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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21. Other bad aspects of death, Part II

Mon, 21 Sep 2026 16:00:00 -0000

Death (PHIL 176)

Further bad aspects of death are considered, including ubiquity, or the fact that death may occur at any time and strike anyone. Professor Kagan invites students to contemplate the possibility of death-free time periods, vacation spots, and activities. Then there is consideration of the value of the human condition, which consists of life, followed by death. Finally, the question is raised as to whether it could be appropriate to refuse to face the facts about our mortality. Professor Kagan distinguishes between two ways in which thinking about these could influence human behavior. On the one hand, it may give one the reason to behave differently; on the other hand, it may just cause a change in behavior.

00:00 - Chapter 1. How Much Time Do We Have Left?
07:00 - Chapter 2. The Ubiquity of Death
16:17 - Chapter 3. What is the Value of Life with Death? Positive and Negative Interaction Effects
27:59 - Chapter 4. "Better Off Never to Have Been Born": A Rationale
32:55 - Chapter 5. Should We Even Think About Death to Live Life?
47:26 - Chapter 6. Controlling the Impact of Thinking about Death and Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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2. The nature of persons: dualism vs. physicalism

Mon, 21 Sep 2026 15:37:30 -0000

Death (PHIL 176)

Professor Kagan discusses the two main positions with regard to the question, "What is a person?" On the one hand, there is the dualist view, according to which a person is a body and a soul. On the other hand, the physicalist view argues that a person is just a body. The body, however, has a certain set of abilities and is capable of a large range of activities.

00:00 - Chapter 1. "Is There Life After Death?" Asking the Right Question
13:25 - Chapter 2. Ways to Conceptualize Self-Identity
21:18 - Chapter 3. Dualists: The Body-Soul Perspective
39:00 - Chapter 4. The Physicalists: The Body Is a Body and Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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America at 250, DeVane Lecture, Class 7–What Kind of Nation? Democracy, Hamilton, Jefferson, and More

Mon, 21 Sep 2026 15:00:00 -0000

Professor Joanne Freeman continues with the 1790s, the “Reign of Witches” and how the Federalists tried to hold onto power.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.
David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.
Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

Learn more about your ad choices. Visit megaphone.fm/adchoices

16. A Person in the World of People: Self and Other, Part I

Mon, 21 Sep 2026 14:40:00 -0000

Introduction to Psychology (PSYC 110)

This is the first of two lectures on social psychology, the study of how we think about ourselves, other people, and social groups. Students will hear about the famous "six degrees of separation" phenomenon and how it illuminates important individual differences in social connectedness. This lecture also reviews a number of important biases that greatly influence how we think of ourselves as well as other people.

00:00 - Chapter 1. Social Psychology and Connections Between People
15:56 - Chapter 2. Aspects of the Self: The Spotlight and Transparency Effects
22:39 - Chapter 3. Aspects of the Self: You're Terrific!
27:00 - Chapter 4. Aspects of the Self: Cognitive Dissonance
40:00 - Chapter 5. Self and the Other
50:03 - Chapter 6. How We Think About Other People

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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14. What matters (cont.); The nature of death, Part I

Mon, 21 Sep 2026 14:00:00 -0000

Death (PHIL 176)

The suggestion is made that what matters in survival is the future existence of someone with a personality similar to one's own. Professor Kagan then turns to the question, "what is it to die?". In answering this question, attention is first drawn to the bodily and mental functions that are crucial in defining the moment of death.

00:00 - Chapter 1. Introduction: A Case for the Same Evolving Personality
10:48 - Chapter 2. What is it Like to Die? A Breakdown of Functions from a Physicalist's View
19:24 - Chapter 3. Identifying the Moment of Death for the Body
30:26 - Chapter 4. When Does Personality Begin or Cease to Exist?
40:09 - Chapter 5. What Has the Right to Live -- Me or My Body?

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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503 | The Customer Profile: Identify Your End Users and Stakeholders - Social Entrepreneurship Course

Mon, 21 Sep 2026 13:49:00 -0000

In this lesson, we explore the crucial concept of customer profiling in social entrepreneurship, differentiating between various stakeholders like the end user, decision maker, and economic buyer. It highlights the importance of creating distinct value propositions for each group and provides essential questions to guide the development of comprehensive customer personas, recommending tools such as the DIY toolkit's Personas template.

🎯 Learning Objectives
• Understand the different types of "customers" or stakeholders (end user, decision maker, economic buyer) in social entrepreneurship.
• Learn how to develop a unique value proposition for each identified customer group.
• Identify key questions to ask when creating a detailed customer profile or persona.
• Explore the utility of tools like the Personas template for sketching out customer engagement and challenges.
• Recognize the importance of validating customer profiles through conversations.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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America at 250: A History, DeVane Lecture, Class 23 - Race, Rights, and Resistance

Mon, 21 Sep 2026 13:42:30 -0000

The 1960s brought prosperity, violence, and protests. Professor Beverly Gage brings into focus some of the important trends and events.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.

The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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4.5 | Master the Medical Software Risk Management Process — Medical Software Course

Mon, 21 Sep 2026 13:00:00 -0000

In this lesson, we delve into the essential steps of the medical software risk management process. We explore how to identify potential hazards, understand the unique nature of software failure probabilities, and learn to estimate risk using both quantitative and qualitative methods, ultimately aiming to ensure patient safety and product reliability.

🎯 Learning Objectives
• Outline the key steps in the medical software risk management process.
• Explain how hazards are identified and the unique nature of software failure probability.
• Learn to estimate risk using both quantitative and qualitative assessment methods.
• Identify common factors that increase the probability of software failure in medical devices.
• Understand the concept of acceptable risk and the importance of risk reduction techniques.

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26. Suicide, Part III: The morality of suicide and course conclusion

Mon, 21 Sep 2026 12:45:00 -0000

Death (PHIL 176)

The lecture begins by examining the consequences a suicide has on both the person committing it and those around this person. The question is raised, however, whether this factor is the only that counts morally, as utilitarians claim, or whether other factors matter morally as well, as deontologists claim. The moral relevance of a deontological prohibition against harming the innocent is considered. A concluding summary of the course is offered.

00:00 - Chapter 1. Introduction: The Consequences of Suicide
08:25 - Chapter 2. Utilitarianism on the Morality of Suicide
13:21 - Chapter 3. Deontology and Prohibition against Harming the Innocent
28:33 - Chapter 4. Factoring Consent into Committing Suicide
41:17 - Chapter 5. Summary and Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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25. Students' Choice Novel: Jonathan Safran Foer, Everything is Illuminated (cont.)

Mon, 21 Sep 2026 12:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In her final lecture of the course, Professor Hungerford evaluates Jonathan Safran Foer's Everything is Illuminated with respect to one of her areas of expertise, American writing about the Holocaust. She points out how the novel takes on some of the questions of trauma theory in its examination of both the pain and the healing power of repetition. The most innovative characteristic of Foer's novel is, for Hungerford, the way it addresses the inheritance of the Holocaust for third-generation Jews in America. The novel finds new ways to provide witness for and connection to their grandparents' experiences in Europe, but also displaces a traditional Holocaust discovery narrative from the Jewish child of survivors to the Eastern European grandchild of those complicit in the destruction of shtetl life.

00:00 - Chapter 1. How to Define a Period of Literature: Locating Foer's Significance
05:57 - Chapter 2. Trauma Theory and the Holocaust: Foer's Use of the Witness
16:40 - Chapter 3. The Double Remove: A Third Generation of Memory
31:54 - Chapter 4. Metafictional Authorship
38:32 - Chapter 5. From Victims to Perpetrators

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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17. The badness of death, Part II: The deprivation account

Mon, 21 Sep 2026 11:47:30 -0000

Death (PHIL 176)

This lecture continues to explore the issue of why death may be bad. According to the deprivation account, what is bad about death is the fact that because one ceases to exist, one becomes deprived of the good things in life. Being dead is not intrinsically bad; it is comparatively bad and one is worse off only by virtue of not being able to enjoy the things one enjoyed while alive, such as watching the sunset, listening to music, and discussing philosophy.

00:00 - Chapter 1. Introduction: The Central Badness of Death
04:35 - Chapter 2. The Deprivation Account of Badness in Death
13:22 - Chapter 3. Epicurus: "When Does Death Become Bad?"
21:21 - Chapter 4. The Existence Requirement: Is It Necessary?
32:48 - Chapter 5. Should Death Be Bad for the Loss of the Unborn Person?
49:41 - Chapter 6. Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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1. Course introduction

Mon, 21 Sep 2026 11:00:00 -0000

Death (PHIL 176)

Professor Kagan introduces the course and the material that will be covered during the semester. He aims to clarify what the class will focus on in particular and which subjects it will steer away from. The emphasis will be placed on philosophical questions that arise when one contemplates the nature of death. The first half of the course will address metaphysical questions while the second half will focus on value theory.

00:00 - Chapter 1. What This Class Is NOT, and What This Class Is
06:38 - Chapter 2. Common Views on Death Are Wrong: How This Class Is Taught
14:20 - Chapter 3. Course Requirements, Materials, and Format
21:03 - Chapter 4. On Grading Thoughts on Death
38:50 - Chapter 5. Student Evaluations and Invitation

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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23. How to live given the certainty of death

Mon, 21 Sep 2026 10:50:00 -0000

Death (PHIL 176)

In this lecture, Professor Kagan invites students to pose the question of how one should live life knowing that it will certainly end in death. He also explores the issue of how we should set our goals and how we should go about achieving them, bearing in mind the time constraints. Other questions raised are how this ultimately affects the quality of our work and our accomplishments, as well as how we decide what is worth doing in life.

00:00 - Chapter 1. How Carefully Should We Live?
11:21 - Chapter 2. Time Constraints and Goals: Finding Appropriate Contents for Life
17:30 - Chapter 3. Quantity of Life: The More, the Better?
32:38 - Chapter 4. Semi-Immortality through Accomplishments
40:21 - Chapter 5. Life Is Suffering: An Alternative Approach to Living

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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Low-Cost, High-Nutrition Eating for Graduate Students: Make it Sustainable

Mon, 21 Sep 2026 10:00:00 -0000

In this video, learn how to make sustainable and nutritious eating habits part of your daily routine. Dr. Nate Wood shares strategies to maintain a balanced diet in the long term.

Managing your finances as a student is challenging. Yale’s Graduate and Professional Student Senate collaborated with Dr. Nate Wood, Assistant Professor and Director of Culinary Medicine at the Yale School of Medicine, to create this video series aimed at helping our community to shop and eat affordably and nutritiously.

According to a 2024 Senate report, 30% of Yale's graduate and professional students experience food insecurity. Our goal is to provide tangible support through practical tips, recipes, and strategies. For more resources or to share your thoughts, use our contact form!
https://www.gpsenate.yale.edu/contact

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1.2 | Navigating Medical Software: Regulatory, Risk and Lifecycle Essentials — Medical Software Course

Mon, 21 Sep 2026 09:52:30 -0000

Ever wondered what goes into creating safe and effective medical software? In this comprehensive lesson, we embark on the first part of a guided tour through the critical aspects of medical software development. We delve into regulatory classifications based on risk, explore the intricate healthcare environment and vital data privacy/security concerns, and introduce core concepts like Quality Management Systems and robust Risk Management processes. This segment also kicks off our journey through the medical software lifecycle using a real-world neurosurgery case study to illustrate the crucial steps from understanding user needs to defining concrete software requirements.

🎯 Learning Objectives
• Classify medical software based on regulatory risk levels.
• Identify the role of data privacy, security, and the healthcare environment in medical software.
• Explain the principles of Quality Management Systems and Risk Management in product development.
• Analyze user needs and formulate software requirements using usage scenarios.
• Describe the initial phases of the medical software life cycle (V-model).

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5. What Is It Like to Be a Baby: The Development of Thought

Mon, 21 Sep 2026 09:00:00 -0000

Introduction to Psychology (PSYC 110)

This lecture explores issues and ideas related to the branch of psychology known as cognitive development. It begins with an introduction of Piaget who, interested in the emergence of knowledge in general, studied children and the way they learn about the world in order to formulate his theories of cognitive development. This is followed by an introduction to the modern science of infant cognition. Finally, the question of the relationship between and the existence of different kinds of development is addressed.

00:00 - Chapter 1. Jean Piaget, Stage Theory and Its Limits
12:50 - Chapter 2. The Modern Science of Infant Cognition
25:12 - Chapter 3. Babies in the Social World
31:26 - Chapter 4. Question and Answer on Learning and Development
33:53 - Chapter 5. Review of Studies Presented in Class; Autism
40:38 - Chapter 6. Question and Answer on Autism

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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15. Supermassive Black Holes

Mon, 21 Sep 2026 08:55:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

The lecture begins with a question-and-answer session about black holes. Topics include the extent to which we are sure black holes exist in the center of all galaxies, how massive they are, and how we can observe them. The lecture then turns to strong-field relativity: relativistic effects that are unrelated to Newtonian theory. The possibility of testing predictions of the existence of black holes is discussed in the context of strong-field relativity. One way we might learn about black holes is through observation of the orbit of the companion star in an X-ray binary star system. Through this we can estimate the mass of the compact object. The lecture ends with an explanation of how astronomers find black holes, and how Professor Bailyn was able to discover one himself.

00:00 - Chapter 1. Supermassive Black Holes and Gravitational Waves
07:15 - Chapter 2. Strong-Field Relativity
17:01 - Chapter 3. X-Rays of Binary Stars
30:08 - Chapter 4. Finding Black Holes with X-Rays
46:43 - Chapter 5. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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23 Stop Chasing Perfection: Find Your Purpose in Your Job Search | Job Searching with Purpose

Mon, 21 Sep 2026 08:00:00 -0000

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12. Personal identity, Part III: Objections to the personality theory

Mon, 21 Sep 2026 07:57:30 -0000

Death (PHIL 176)

The lecture focuses on the problems directly related to the personality theory as key to personal identity. The theory states that a person retains his or her individuality so long as he or she has the same ongoing personality. The main objection raised to this claim is the problem of duplication. The lecture explores cases in which the same personality has been transferred or exported to multiple bodies.

00:00 - Chapter 1. A Mad Scientist's Experiment to Determine Personal Identity
07:12 - Chapter 2. The Science Experiment Continued: Dilemmas in Mixed Personalities and Bodies
19:38 - Chapter 3. Duplication as an Objection to the Personality Theory
40:26 - Chapter 4. No Branching Clause - Acceptable under the Personality Theory?

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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America at 250: A History, DeVane Lecture, Class 19 - Money, Power, and Progressivism

Mon, 21 Sep 2026 07:00:00 -0000

From the bully pulpit of Theodore Roosevelt to Woodrow Wilson and the Great War, Professor Beverly Gage continues the examination of early 20th Century America.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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7. Conscious of the Present; Conscious of the Past: Language

Mon, 21 Sep 2026 07:00:00 -0000

Introduction to Psychology (PSYC 110)

This lecture finishes the discussion of language by briefly reviewing two additional topics: communication systems in non-human primates and other animals, and the relationship between language and thought. The majority of this lecture is then spent on introducing students to major theories and discoveries in the fields of perception, attention and memory. Topics include why we see certain visual illusions, why we don't always see everything we think we see, and the relationship between different types of memory.

00:00 - Chapter 1. Non-Human Communication
09:16 - Chapter 2. The Relationship Between Language and Thought
12:39 - Chapter 3. Question and Answer on Language
18:06 - Chapter 4. Introduction to the Complexity of Perception and Expectation
39:15 - Chapter 5. Linking Attention and Memory
58:04 - Chapter 6. Question and Answer on Attention and Memory

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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America at 250 Podcast Episode 6: Reconstruction

Mon, 21 Sep 2026 06:02:30 -0000

The DeVane Lectures, America at 250 - A History.
Professor Beverly Gage asks David Blight to expand on his recent lectures on the Reconstruction and all the challenges it faced.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

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America at 250: A History, DeVane Lecture, Class 18 – Melting Pot or Guarded Gate

Mon, 21 Sep 2026 06:00:00 -0000

Professor Beverly Gage begins her 8 classes for the final portion of the course with issues surrounding immigration.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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12. "And the War Came," 1861: The Sumter Crisis, Comparative Strategies

Mon, 21 Sep 2026 05:49:00 -0000

The Civil War and Reconstruction (HIST 119)

After finishing with his survey of the manner in which historians have explained the coming of the Civil War, Professor Blight focuses on Fort Sumter. After months of political maneuvering, the Civil War began when Confederates fired on Fort Sumter, in the harbor outside Charleston, SC. The declaration of hostilities prompted four more states--Virginia, Tennessee, North Carolina, and Arkansas--to secede. Professor Blight closes the lecture with a brief discussion of some of the forces that motivated Americans--North and South--to go to war.

00:00 - Chapter 1. Introduction: The Advent of War
05:06 - Chapter 2. A Meaningless War? Postwar Thoughts on the Civil War
12:15 - Chapter 3. April 1861: The Situation at Fort Sumter
24:28 - Chapter 4. Lincoln's Reaction and the Secession of the Upper South
37:01 - Chapter 5. Why Did I Go to War? Personal Motivations from the North and South
44:48 - Chapter 6. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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14. Never Call Retreat: Military and Political Turning Points in 1863

Mon, 21 Sep 2026 05:05:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight lectures on the military history of the early part of the war. Beginning with events in the West, Blight describes the Union victories at Fort Donelson and Fort Henry, introduces Union General Ulysses S. Grant, and narrates the horrific battle of Shiloh, fought in April of 1862. Moving back East, the lecture describes the Union General George McClellan's abortive 1862 Peninsula campaign, which introduced the world to Confederate General Thomas "Stonewall" Jackson. The lecture concludes with Confederate General Robert E. Lee's decision to take the battle to the North.

00:00 - Chapter 1. The Mood of the Civil War and McClellan's Army
09:46 - Chapter 2. Early Union Successes and Ulysses S. Grant's Entry into the War
20:07 - Chapter 3. The Battle of Shiloh
26:29 - Chapter 4. McClellan's Abortive 1862 Naval Campaign and "Stonewall" Jackson
33:34 - Chapter 5. The Battle of Seven Days and Robert E. Lee's Move North
49:14 - Chapter 6. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Low-Cost, High-Nutrition Eating for Graduate Students: Quick and Tasty Cooking

Mon, 21 Sep 2026 05:00:00 -0000

In this video, discover the key to cooking quick and tasty recipes perfect for busy student life. Dr. Nate Wood shares tips and tricks to prepare meals that are both delicious and time-efficient.

Managing your finances as a student is challenging. Yale’s Graduate and Professional Student Senate collaborated with Dr. Nate Wood, Assistant Professor and Director of Culinary Medicine at the Yale School of Medicine, to create this video series aimed at helping our community to shop and eat affordably and nutritiously.

According to a 2024 Senate report, 30% of Yale's graduate and professional students experience food insecurity. Our goal is to provide tangible support through practical tips, recipes, and strategies. For more resources or to share your thoughts, use our contact form!
https://www.gpsenate.yale.edu/contact

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Lecture 10 Sonata-Allegro and Theme and Variations

Mon, 21 Sep 2026 04:07:30 -0000

Listening to Music (MUSI 112)

Professor Wright delves into sonata-allegro form in some depth in this lecture. He focuses especially on characterizing four types of music found within a sonata: thematic, transitional, developmental, and cadential. He then moves on to discuss a different form, theme and variations, which is accomplished through the use of examples from Beethoven's and Mozart's compositions. Professor Wright and guest artist Kensho Watanabe then conclude the lecture by demonstrating a set of theme and variations through a live performance of Corelli's La Folia.

00:00 - Chapter 1. Introduction
02:34 - Chapter 2. Parts of the Sonata-Allegro Form
08:18 - Chapter 3. Distinguishing Functional Types within the Sonata-Allegro
20:58 - Chapter 4. Theme and Variations
34:11 - Chapter 5. Examining Theme and Variations in Corelli's La Folia

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2008.

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12. Evolution, Emotion, and Reason: Emotions, Part II

Mon, 21 Sep 2026 04:00:00 -0000

Introduction to Psychology (PSYC 110)

Professor Bloom continues the discussion of emotions as useful evolutionary adaptations for dealing with our social environment. In particular, this lecture describes evolutionary explanations for several important emotional responses, such as the love between parents and their offspring, the gratitude we feel towards cooperative behaviors, the spite we feel for cheaters, and the cultural differences in feelings of revenge.

00:00 - Chapter 1. Emotional Responses to Caregivers and Kin
15:44 - Chapter 2. Question and Answer on Emotions Towards Kin
18:14 - Chapter 3. Evolutionary Explanations for Emotional Responses
25:20 - Chapter 4. Cooperative Behavior and The Prisoner's Dilemma
40:43 - Chapter 5. The Ultimatum Game, Rationally and Irrationality
49:20 - Chapter 6. Cultures of Honor

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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14. Paradise Lost, Book IV

Mon, 21 Sep 2026 03:10:00 -0000

Milton (ENGL 220)

This lecture examines Book Four's depiction of Adam and Eve and the sexual politics of life in Eden. Seventeenth-century political theory, particularly the work of Thomas Hobbes, is considered with a focus on then-contemporary theories of the structure and government of the first human societies. Critical perspectives on what have variously been proposed as sexist and feminist elements of Milton's Eden are surveyed. Milton's struggle with the problem of depicting an unfallen world to a fallen audience is closely detailed. The lecture concludes with a study of Rembrandt's 1638 drawing, "Adam and Eve."

00:00 - Chapter 1. Dissimiles in "Paradise Lost": Fallen Representation of Unfallen-ness
10:16 - Chapter 2. Politics and Seventeenth-Century Descriptions of Adam and Eve
15:45 - Chapter 3. Milton's Political Philosophy
26:29 - Chapter 4. What Made Adam and Eve Unequal?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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707 | The McDonald's of Healthcare: Aravind Eye Systems Case Study - Social Entrepreneurship Course

Mon, 21 Sep 2026 03:00:00 -0000

How can a social enterprise provide high-quality medical care to millions, even those who can't pay? In this lesson, we delve into the inspiring case study of Aravind Eye Systems, a pioneering organization in India that revolutionized cataract surgery access through innovative operational models, strategic cost reduction, and a unique differential pricing system.

🎯 Learning Objectives
• Understand how Aravind Eye Systems addressed multiple barriers to access eye care, including awareness, fear, and cost.
• Analyze the operational efficiency strategies employed by Aravind, such as task shifting, high-volume surgery, and resource innovation.
• Explore Aravind's unique differential pricing model and how it achieved financial viability through cross-subsidization.
• Discover how Aravind scaled its impact through vision centers and technology, decentralizing primary eye care.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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Low-Cost, High-Nutrition Eating for Graduate and Prof Students: Intro

Mon, 21 Sep 2026 02:12:30 -0000

In this video, learn about how to use this series as a tool for low-cost, high-nutrition eating.
Managing your finances as a student is challenging. Yale’s Graduate and Professional Student Senate collaborated with Dr. Nate Wood, Assistant Professor and Director of Culinary Medicine at the Yale School of Medicine, to create this video series aimed at helping our community to shop and eat affordably and nutritiously.
According to a 2024 Senate report, 30% of Yale's graduate and professional students experience food insecurity. Our goal is to provide tangible support through practical tips, recipes, and strategies. For more resources or to share your thoughts, use our contact form!

Learn more about your ad choices. Visit megaphone.fm/adchoices

18. Paradise Lost, Books IX-X

Mon, 21 Sep 2026 02:00:00 -0000

Milton (ENGL 220)

This second lecture on the Fall traces Milton's use of the word wander, in all of its forms, across the poem. The transformation of wander from its pre-fallen sense to its more nefarious incarnation following the transgression is examined closely. The wider literary context of the concept of wandering, with particular emphasis placed on its importance to the romance genre, is briefly discussed. The reductive forces of Book Nine -- particularly its tendency to transform the moral ambivalence, disputed sexual hierarchy, and general poetic ambiguity of earlier books into more definitive representations -- are considered, with the lecture ultimately suggesting that the poem begins to turn away in Book Nine from many of its proto-feminist elements.

00:00 - Chapter 1. Introduction: The Fall, Language and Literature
06:33 - Chapter 2. Milton's Motivations for writing about The Fall
14:41 - Chapter 3. Tracing the History of the Word "Wandering" as it Progresses through the Poem
31:31 - Chapter 4. A New Understanding of Eve
41:07 - Chapter 5. "Paradise Lost" Book X: The Consequences of The Fall

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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11. John Barth, Lost in the Funhouse

Mon, 21 Sep 2026 01:15:00 -0000

The American Novel Since 1945 (ENGL 291)

In her lecture on John Barth's collection of stories Lost in the Funhouse, Professor Amy Hungerford delves beyond the superficial pleasures and frustrations of Barth's oft-cited metafictional masterwork to illuminate the profound commitment to language that his narrative risks entail. Foremost among Barth's concerns, Hungerford argues, is the multi-faceted relationship between language and love. Desire can drive a narrative, or disrupt it. Language can create desire, or replace it. Unifying the virtuosic variety of his tales is Barth's inquiry: Does language always stand in for a loss of bodily presence? Must the written word always exist as the shadow of the oral?

00:00 - Chapter 1. Barth, the Teacher
10:00 - Chapter 2. The Modernist Ambition in 'Night-Sea Journey'
25:27 - Chapter 3. Alienation and Desire
42:05 - Chapter 4. The Power of Voice

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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America at 250, DeVane, Class 16 - Gilded Age and Aftermath of Reconstruction, South, North, and West

Mon, 21 Sep 2026 01:00:00 -0000

What becomes of a nation filled with corruption that’s covered with gold. Professor David Blight returns to Mark Twain as he details the Gilded Age and what it brings.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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Lecture 9. Sonata-Allegro Form: Mozart and Beethoven

Mon, 21 Sep 2026 00:17:30 -0000

Listening to Music (MUSI 112)

A brief foray into the formal characteristics of contemporary popular music is used to launch this lecture on musical form. After a discussion of the "verse-chorus" form often used in popular music, Professor Wright proceeds to take students into the realm of classical music, focusing particularly on ternary form and sonata-allegro form. Throughout his detailed explanation of sonata-allegro form, he also elaborates upon some harmonic concepts describing, for example, the relationship between relative major and minor keys. This lecture draws its musical examples from 'N Sync, Mozart, and Beethoven.

00:00 - Chapter 1. Verse-Chorus Form in Popular Music
05:56 - Chapter 2. Introduction to Form in Classical Music
12:18 - Chapter 3. Ternary Form
18:00 - Chapter 4. The Sonata-Allegro Form in Mozart's "A Little Night Music"
36:19 - Chapter 5. The Sonata-Allegro Form in Beethoven's Fifth Symphony

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2008.

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7. Plato, Part II: Arguments for the immortality of the soul

Mon, 21 Sep 2026 00:00:00 -0000

Death (PHIL 176)

The discussion of Plato's Phaedo continues, presenting more arguments for the existence and immortality of the soul. One such argument is "the argument from the nature of the forms," which states that because the forms are non-physical objects and cannot be grasped by something physical like the body, it follows that they must be grasped by the soul which must be non-physical as well. This argument is followed by the "argument from recycling" and "the argument from recollection."

00:00 - Chapter 1. Review of Plato's Heaven: Platonic Forms
04:13 - Chapter 2. Concerns and Issues Leading to the Development of Platonic Forms
14:17 - Chapter 3. The Argument from the Nature of the Forms
24:33 - Chapter 4. The Argument from Recycling
33:33 - Chapter 5. The Argument from Recollection
43:54 - Chapter 6. Do Plato's Arguments Suffice?

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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America at 250: A History, DeVane Lecture, Class 9, Whose America? Protest and Reform

Sun, 20 Sep 2026 23:20:00 -0000

Searching and struggles, opportunities and losses. Professor Joanne Freeman concludes her series of lectures for the course.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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24. Suicide, Part I: The rationality of suicide

Sun, 20 Sep 2026 23:00:00 -0000

Death (PHIL 176)

This is the first of a series of lectures on suicide. Two very distinct contexts are presented in which the subject can be further explored. The first is rationality and the question of under what circumstances it makes sense to end one's own life. The second is morality and the question of whether we can ever ethically justify resorting to suicide. The lecture's focus is on the rational requirements of suicide, and Professor Kagan introduces a number of cases which demonstrate that ending one's life, in certain instances, may be rationally sound.

00:00 - Chapter 1. Introduction to Suicide: Does it Make Sense? Distinguishing Issues of Rationality and Morality
05:14 - Chapter 2. When Is It Rational to Commit Suicide? Problems with the Two-State Requirement
17:11 - Chapter 3. Is Life Worth Having in the First Place? An Exploration of Intrinsic Value
28:51 - Chapter 4. Medical Complications: Rationale for Euthanasia
37:35 - Chapter 5. Suicide on a Positive-Negative Life Curve

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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America at 250 Podcast Episode 10: Left and Right in the 60s and 70s

Sun, 20 Sep 2026 22:22:30 -0000

Professor Beverly Gage describes the growing movements on the left and the right in the 1960s and 70s while Professors Blight and Freeman try to resist the urge to stroll down memory lane.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

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7. Lycidas (cont.)

Sun, 20 Sep 2026 22:00:00 -0000

Milton (ENGL 220)

In this second lecture on "Lycidas," moments of intrusion and revelation are closely examined. Saint Peter's protracted sermon is connected with the wider context of Puritan practices and controversies. The poem's tendency to suggest pairs and substitutions is duly noted. Finally, its conclusion is read as a triumphant moment in the young Milton's poetry, at which point he parts with the claims of ill-preparedness and little experience that dominated the early poems and assumes instead a prophetic voice for himself akin to Isaiah's.

00:00 - Chapter 1. Introduction: Analyzing the Beginning of "Lycidas"
03:11 - Chapter 2. The Pastoral Framework of "Lycidas"
14:00 - Chapter 3. Milton: "The Reason of Church Government"
19:36 - Chapter 4. The Dramatic Structure of "Lycidas": A Succession of Four Mourners
48:50 - Chapter 5. Milton: The Prophetic Poet?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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504 | The Customer's Journey: The Power of a Customer Flowchart - Social Entrepreneurship Course

Sun, 20 Sep 2026 21:49:00 -0000

In this lesson, you'll learn about the customer flowchart, a powerful tool for visualizing and detailing how your social venture's idea will work. Beyond just defining your customer, this module helps you map out their interaction with your offering, including how they discover it, what motivates their engagement, and the anticipated impact on their lives.

🎯 Learning Objectives
• Understand the utility of a customer flowchart in detailing your social venture's operations.
• Describe the complete customer interaction with your offering, from learning about it to its impact.
• Identify key questions regarding costs, engagement, and the flow of your social venture's services.
• Learn how to use a diagram to clarify and communicate your idea to others.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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Low-Cost, High-Nutrition Eating for Graduate Students: Meal Planning

Sun, 20 Sep 2026 21:25:00 -0000

In this video, learn the art of meal planning to save time and money. Dr. Nate Wood provides strategies for planning your meals in advance, ensuring balanced and nutritious eating throughout the week.

Managing your finances as a student is challenging. Yale’s Graduate and Professional Student Senate collaborated with Dr. Nate Wood, Assistant Professor and Director of Culinary Medicine at the Yale School of Medicine, to create this video series aimed at helping our community to shop and eat affordably and nutritiously.

According to a 2024 Senate report, 30% of Yale's graduate and professional students experience food insecurity. Our goal is to provide tangible support through practical tips, recipes, and strategies. For more resources or to share your thoughts, use our contact form!
https://www.gpsenate.yale.edu/contact

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19. Omega and the End of the Universe

Sun, 20 Sep 2026 21:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Class begins with a review of the issues previously addressed about the origin and fate of the universe. The role of gravity in the expansion of the universe is discussed and given as the reason why the rate of expansion cannot remain constant and will eventually slow down. The actual density of the universe is calculated using various methods. Finally, the unsolved problem of dark matter is addressed and two explanatory hypotheses are proposed. One is that the universe is comprised of WIMPs (Weakly Interactive Massive Particles) that fulfill two requirements: they have mass and do not interact with light. The second hypothesis is that dark matter is made of MACHOs (Massive Astrophysical Compact Halo Objects), which scientists have attempted to identify through gravitational lenses.

00:00 - Chapter 1. Review of Issues in Cosmology
08:28 - Chapter 2. Determining Mass
26:39 - Chapter 3. Dark Matter: WIMPs?
37:30 - Chapter 4. Dark Matter: MACHOs?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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4.6 | Mastering Medical Software Risk Management: Control and Evaluation — Medical Software Course

Sun, 20 Sep 2026 20:27:30 -0000

How do you ensure your medical software is not just functional, but also safe? In this lesson, we conclude our deep dive into the risk management process, focusing on the critical stages of risk evaluation and control. We'll explore how to determine acceptable risk levels, delve into the hierarchy of risk control techniques—eliminate, reduce, and warn—and understand the concept of residual risk, ultimately reinforcing why diligent risk management, though seemingly alarmist, is vital for long-term quality and trust.

🎯 Learning Objectives
• Define risk evaluation and its role in the risk management process.
• Understand the concept of acceptable risk and its determination.
• Describe the three fundamental risk control techniques: eliminate, reduce, and warn.
• Explain what residual risk is and how it is re-evaluated.
• Appreciate the strategic importance of proactive risk management in medical software development.

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America at 250: A History, DeVane Lecture, Class 24 - Reagan’s America

Sun, 20 Sep 2026 20:00:00 -0000

The progress of the conservative movement in late 20th Century America is examined by Professor Beverly Gage in this lecture.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.

The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

Learn more about your ad choices. Visit megaphone.fm/adchoices

1.1 | Diving Into Medical Software: Your Course Introduction - Medical Software Course

Sun, 20 Sep 2026 19:30:00 -0000

In this introductory lesson, we welcome you to the Medical Software Course, where we lay the groundwork for understanding this specialized field. We explore the definition of medical software, delve into crucial regulatory considerations, and highlight the exciting opportunities within digital health. This session sets the stage for the comprehensive journey ahead, outlining the key areas we will cover in the coming weeks, from technical fundamentals to the intricate development lifecycle.

🎯 Learning Objectives
• Understand the regulatory process governing medical software.
• Learn about the larger environment in which medical software operates, including clinical settings and data privacy.
• Understand the organizational constraints inherent in medical software development, such as quality management systems.
• Learn about critical technical background material from computer science, math, statistics, and machine learning.
• Comprehend the detailed phases of the medical software life cycle.

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15. The nature of death (cont.); Believing you will die

Sun, 20 Sep 2026 19:00:00 -0000

Death (PHIL 176)

The lecture explores the question of the state of being dead. Even though the most logical claim seems to be that when a person stops P-functioning he or she is dead, a more careful consideration must allow for exceptions, such as when one is asleep or in a coma. Professor Kagan then suggests that on some level nobody believes that he or she is going to die. As a case in point, he takes Tolstoy's famous character Ivan Ilych.

00:00 - Chapter 1. Introduction -- Accommodating Sleep in the Definition of Death
03:36 - Chapter 2. Specification: The Ability to Engage in P-Functioning
13:32 - Chapter 3. Nobody Believes that they will Die: An Analysis
27:49 - Chapter 4. Can Imagining Death Work? Flaws in Freud's Argument
36:11 - Chapter 5. Nobody Believes in Bodily Death: The Death of Ivan Ilyich

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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15. Paradise Lost, Books V-VI

Sun, 20 Sep 2026 18:00:00 -0000

Milton (ENGL 220)

The description of human sexual hierarchy in Book Four of Paradise Lost is contrasted with the depiction of angelic hierarchy in Book Five. Both the Archangel Raphael's and Satan's accounts and theories of creation are examined. The poem's complex and vacillating endorsement of arbitrary decree, on the one hand, and egalitarian self-determination, on the other, is probed. The nature of matter and physical being in Heaven and Eden are explored with particular emphasis placed on the poem's monistic elements. Overall, Milton's willingness to question accepted religious, social, and political doctrine, even that which authorities in his own poem seem to express, is stressed.

00:00 - Chapter 1. Men vs. Women: The Coexistence of Freedom and Social Hierarchy in "Paradise Lost" Book IV
08:49 - Chapter 2. Angels vs. Humans: The Coexistence of Freedom and Social Hierarchy in "Paradise Lost" Book V
40:34 - Chapter 3. Satan's Discussion with Abdiel

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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1. Introductions: Why Does the Civil War Era Have a Hold on American Historical

Sun, 20 Sep 2026 17:32:30 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight offers an introduction to the course. He summarizes some of the course readings, and discusses the organization of the course is discussed. Professor Blight offers some thoughts on the nature of history and the study of history, before moving into a discussion of the reasons for Americans' enduring fascination with the Civil War. The reasons include: the human passion for epics, Americans' fondness for redemption narratives, the Civil War as a moment of "racial reckoning," the fascination with loss and lost causes, interest in military history, and the search for the origins of the modern United States.

00:00 - Chapter 1. Introduction
03:09 - Chapter 2. Course Texts and Structure
10:47 - Chapter 3. Martin Luther King Jr.'s "Promissory Note"
15:31 - Chapter 4. Books and the Purpose of History
22:00 - Chapter 5. Why Study the Civil War?
38:46 - Chapter 6. Whitman's "Democracy" and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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801 | What is Social Financing? Funding Your Venture - Social Entrepreneurship Course

Sun, 20 Sep 2026 17:00:00 -0000

In this lesson, we delve into the world of social financing, exploring how funding serves as a crucial pathway to social change for both those seeking to create impact and those looking to fund it. We'll examine the full spectrum of social financing, from traditional charity to commerce-driven approaches, and see how it overlays with social entrepreneurship.

🎯 Learning Objectives
• Understand what social financing entails and its significance for driving social change.
• Recognize the spectrum of social financing, mirroring the social entrepreneurship landscape.
• Identify various funding sources and vehicles, including grants, donations, equity, loans, and bonds.
• Explore different investment approaches such as philanthropy, venture philanthropy, and impact investing.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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16. Hubble's Law and the Big Bang

Sun, 20 Sep 2026 16:35:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

The third and final part of the course begins, consisting of a series of lectures on cosmology. A brief history of how cosmology developed into a scientific subject is offered. The discovery of dark energy, along with dark matter, played a crucial role in the development of cosmology. The lecture then discusses the discovery of spiral nebulae in 1920, as well as the "Great Debate" over what they were. Hubble's famous redshift diagram is presented as the basis for Hubble's Constant and Big Bang cosmology. The difficulty of measuring distance of objects in space, and how to do it using the parallax method and the standard candle method, are discussed. Measure brightness using the magnitude scale is explained. Class ends with a review of logarithms.

00:00 - Chapter 1. Introduction to Cosmology
03:34 - Chapter 2. Spiral Nebulae and Hubble's Redshift Diagram
17:35 - Chapter 3. Measuring the Distance of a Star: The Parallax Method
25:13 - Chapter 4. Measuring Brightness: The Standard Candle Method
38:06 - Chapter 5. Absolute and Apparent Magnitude
48:04 - Chapter 6. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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23. Other Constraints: The Cosmic Microwave Background

Sun, 20 Sep 2026 16:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Reasons for the expansion of the universe are addressed at the start of this lecture, focusing especially on the acceleration of dark energy. Supernovae were the first evidence for the existence of dark energy. Two other proofs are presented. The first is the Cosmic Microwave Background, which is a form of electromagnetic radiation that is perfectly smooth and equal in all directions. It firmly supports the Big Bang theory. Projects attempting to measure it, such as COBE and WMAP, are discussed. Secondly, Large-Scale Clustering is introduced: by measuring the degree of clustering, astronomers hope to advance their understanding of dark energy and dark matter. Computer simulations of the evolution of the universe are shown.

00:00 - Chapter 1. Implications of Research on Supernovae
05:28 - Chapter 2. The Cosmic Microwave Background
11:27 - Chapter 3. COBE and WMAP: Measuring CMB
24:40 - Chapter 4. Growth of Universe Structure: Large-Scale Clustering
39:30 - Chapter 5. The Degree of Clustering and the Potential Fates of the Universe

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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1103 | Play the Long Game: Future-Proofing Your Social Business - Social Entrepreneurship Course

Sun, 20 Sep 2026 15:37:30 -0000

What are the big picture principles that will guide your journey in social entrepreneurship? This lesson goes beyond specific steps, offering essential do's and don'ts to ensure you stay grounded, impactful, and adaptable throughout your career.

🎯 Learning Objectives
• Understand the importance of handing off responsibilities and sharing knowledge for long-term impact.
• Recognize that your role in social entrepreneurship will evolve over time, from direct service to framework change.
• Learn to differentiate between substance and hype, avoiding "bubble" mentalities in the social entrepreneurship field.
• Embrace humility by admitting failings, seeking collaboration, and continuously questioning assumptions.
• Build upon existing knowledge and challenge conventional wisdom to collectively advance the field of social justice.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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America at 250 Podcast Episode 7: Immigration and Its Discontents

Sun, 20 Sep 2026 15:00:00 -0000

Professors Beverly Gage and David Blight discuss Professor Gage's first lecture on the United States' identity crisis in the early 20th century.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

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20. Dark Matter

Sun, 20 Sep 2026 14:40:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

This lecture introduces an important concept related to the past and future of the universe: the Scale factor, which is a function of time. With reference to a graph whose coordinates are the Scale factor and time, the problem of dark matter is addressed again. Cosmological redshifts are measured to determine the scale of the universe. The discovery of the repulsive, anti-gravitational force of dark energy is explained. The lecture concludes with discussion of Einstein's biggest mistake: the invention of the cosmological constant to balance gravity.

00:00 - Chapter 1. The Scale Factor
04:41 - Chapter 2. Accounting for Dark Matter in Mass of Universe
27:58 - Chapter 3. Discovery of Dark Energy
42:06 - Chapter 4. Understanding Dark Energy and Einstein's Biggest Mistake

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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Low-Cost, High-Nutrition Eating for Graduate Students: Nutrition Basics

Sun, 20 Sep 2026 14:00:00 -0000

In this module, Dr. Nate Wood introduces the fundamentals of nutrition. Learn about the essential nutrients your body needs and how to incorporate them into your diet on a budget.

Managing your finances as a student is challenging. Yale’s Graduate and Professional Student Senate collaborated with Dr. Nate Wood, Assistant Professor and Director of Culinary Medicine at the Yale School of Medicine, to create this video series aimed at helping our community to shop and eat affordably and nutritiously.

According to a 2024 Senate report, 30% of Yale's graduate and professional students experience food insecurity. Our goal is to provide tangible support through practical tips, recipes, and strategies. For more resources or to share your thoughts, use our contact form!
https://www.gpsenate.yale.edu/contact

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17. The Popular Front

Sun, 20 Sep 2026 13:49:00 -0000

France Since 1871 (HIST 276)

A plethora of Far Right and fascist organizations emerged in the wake of World War I. Economic depression, nationalism, anti-Semitism and xenophobia all played a part in this upsurge. On the left, the tension between communist revolutionaries and socialist reformers was reconciled, for a time, in the Popular Front government of Leon Blum. While the Popular Front would eventually fall, it pioneered many of the reforms and progressive measures that French workers enjoy today.

00:00 - Chapter 1. Rise of the Right in Interwar France
11:54 - Chapter 2. Xenophobia and Anti-Semitism in France
16:17 - Chapter 3. The Stavisky Affair
28:22 - Chapter 4. The Reassertion of the Republic: The Victory of the Popular Front and Leon Blum
41:19 - Chapter 5. Unraveling the Popular Front: The Depression and the Spanish Civil War

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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Class 3: Capital Chapter 1: The Commodity, part 3

Sun, 20 Sep 2026 13:42:30 -0000

How does value arise in exchange? What is labor in the capital system? Some simple forms of value.

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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America at 250 Podcast Episode 11: The Politics of the 1980s, 1990s, and So Much More

Sun, 20 Sep 2026 13:00:00 -0000

Professors Beverly Gage, David Blight and Joanne Freeman recap their final lectures on the late 20th century and reminisce about the Bicentennial.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

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6. Arguments for the existence of the soul, Part IV; Plato, Part I

Sun, 20 Sep 2026 12:45:00 -0000

Death (PHIL 176)

The lecture begins with a continued discussion of the Cartesian argument and its weaknesses. The lecture then turns to Plato's metaphysical views in the context of his work, Phaedo. The key point in the discussion is the idea that in addition to the ordinary empirical world that we are familiar with, we posit the existence of a second realm in which the Platonic forms exist. These forms are the abstract properties that we attribute to physical objects, such as beauty, justice, goodness and so on. Since it is the soul that conceives of these Platonic forms and ideas, Plato argues that the soul not only outlives the body but lasts forever. It is perfect, immaterial and indestructible.

00:00 - Chapter 1. Summary of the Cartesian Argument
04:57 - Chapter 2. Refuting the Cartesian Argument: The Morning and Evening Stars
19:25 - Chapter 3. Platonic Forms and the Immortality of the Soul
31:27 - Chapter 4. Conclusion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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Class 1 Introduction, Capital Chapter 1: The Commodity

Sun, 20 Sep 2026 12:00:00 -0000

What is the capital system? Why could Marx write this book? What is a commodity?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

Learn more about your ad choices. Visit megaphone.fm/adchoices

America at 250: A History, DeVane Lecture, Class 26 - Meanings on the Eve of 2026

Sun, 20 Sep 2026 11:47:30 -0000

The final class in the course is presented by Professors Beverly Gage, David Blight, and Joanne Freeman with a recap of how we got to America at 250 and what we can all learn from the history.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.

The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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10. Personal identity, Part I: Identity across space and time and the soul theory

Sun, 20 Sep 2026 11:00:00 -0000

Death (PHIL 176)

The lecture focuses on the question of the metaphysical key to personal identity. What does it mean for a person that presently exists to be the very same person in the future? The first approach to answering this question is the "soul theory," that is, the key to being the same person is having the same soul. Difficulties with that approach are then discussed, independent of the question whether souls exist or not.

00:00 - Chapter 1. Introduction
01:39 - Chapter 2. What Does It Mean to Survive? The Train Metaphor
14:04 - Chapter 3. The Aging of a Car and Space-Time Worms
30:30 - Chapter 4. Will I Survive My Death? The Dualist's Soul as the Metaphysical Glue
46:28 - Chapter 5. Is the Soul Truly the Key to Personal Identity?

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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24. The Multiverse and Theories of Everything

Sun, 20 Sep 2026 10:50:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Professor Bailyn begins the class with a discussion of a recent New York Times article about the discovery of a new, earth-like planet. He then discusses concepts such as epicycles, dark energy and dark matter; imaginary ideas invented to explain 96% of the universe. The Anthropic Principle is introduced and the possibility of the multiverse is addressed. Finally, biological arguments are put forth for how complexity occurs on a cosmological scale. The lecture and course conclude with a discussion on the fine differences between science and philosophy.

00:00 - Chapter 1. Calculations for an Earth-Like Planet
08:23 - Chapter 2. Cosmology: The Game -- Working with Imaginary Ideas
29:39 - Chapter 3. The Anthropic Principle and the Multiverse
42:00 - Chapter 4. The Fine Line between Science and Philosophy

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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America at 250: A History, DeVane Lecture, Class 25 - Making Sense of the Millennium

Sun, 20 Sep 2026 10:00:00 -0000

Professor Beverly Gage wraps up her portion of the course with a look at the 1980s through 2007 as the nation moves from consensus politics to more divisive trends.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.

The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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18. Simple Harmonic Motion (cont.) and Introduction to Waves

Sun, 20 Sep 2026 09:52:30 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

This lecture continues the topic of harmonic motions. Problems are introduced and solved to explore various aspects of oscillation. The second half of the lecture is an introduction to the nature and behavior of waves. Both longitudinal and transverse waves are defined and explained.

00:00 - Chapter 1. Free Vibration: Oscillation Under F=0
08:20 - Chapter 2. Initial Conditions at Start of Oscillation
18:52 - Chapter 3. Solution to Harmonic Equation under Driving Force
30:01 - Chapter 4. Properties of the Oscillating Function, Resonance
39:23 - Chapter 5. Complete Solution = Complimentary + Particular Solutions
43:40 - Chapter 6. Introduction to Longitudinal and Transverse Waves
52:55 - Chapter 7. Derive Wave Equation as Differential Equation
01:04:40 - Chapter 8. Solution to Wave Equation

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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America at 250: A History, DeVane Lecture, Class 21 - A New Deal for the World

Sun, 20 Sep 2026 09:00:00 -0000

World War II was the most significant event of the 20th Century and is one of the issues discussed by Professor Beverly Gage in this class.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

Learn more about your ad choices. Visit megaphone.fm/adchoices

America at 250 Podcast Episode 8: The Progressive Era and The New Deal

Sun, 20 Sep 2026 08:55:00 -0000

Professors David Blight, Joanne Freeman, and Beverly Gage discuss Professor Gage's recent lectures on the Progressive Era, The New Deal, and some Warren Harding fun facts.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

Learn more about your ad choices. Visit megaphone.fm/adchoices

18. Hubble's Law and the Big Bang (cont.)

Sun, 20 Sep 2026 08:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Professor Bailyn returns to the subject of the expansion of the universe to offer explanations that do not require belief in the Big Bang theory. One alternative is a theory that, in the past, the entire universe was reduced to an "initial singularity," in which everything was much closer, and therefore denser and hotter. Since the universe is in constant flux, however, it follows that in the future things will drift apart. The Steady State explanation for the expansion of the universe is then explained. Coined as a derogatory term meant to ridicule supporters of the Big Bang theory, Steady State purports that new energy and matter are constantly created as the universe expands, to fill in the void that results from the expansion. The discovery of quasars refuted the Steady State theory. The lecture ends with a discussion of how observing very distant objects allows us to look back in time, and also gives us a glimpse into the future of galaxies and the universe.

00:00 - Chapter 1. The Expanding Universe -- Big Bang and Steady State Theories
09:53 - Chapter 2. Quasars and the Rejection of the Steady State Theory
32:21 - Chapter 3. Calculating the Duration of the Big Bang
43:16 - Chapter 4. Calculating the Potential Future of the Universe

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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2. Planetary Orbits

Sun, 20 Sep 2026 07:57:30 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Exoplanets are introduced and students learn how astronomers detect their presence as well as the challenges associated with it. Physics equations are explained as well as their importance in the context of the course. A number of problems are worked out to get students used to dealing with large numbers in calculating planetary masses, interplanetary distances, etc.

00:00 - Chapter 1. Course Logistics
06:15 - Chapter 2. Exoplanets
12:56 - Chapter 3. Physical Units and Significant Digits
33:23 - Chapter 4. Calculating the Distance between Planets and Stars

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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Class 4: Capital Chapters 2-4: Exchange, Money, Capital

Sun, 20 Sep 2026 07:00:00 -0000

How does fetishism of the commodity arise? What is money?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

Learn more about your ad choices. Visit megaphone.fm/adchoices

6. How Do We Communicate?: Language in the Brain, Mouth

Sun, 20 Sep 2026 07:00:00 -0000

Introduction to Psychology (PSYC 110)

One of the most uniquely human abilities is the capacity for creating and understanding language. This lecture introduces students to the major topics within the study of language: phonology, morphology, syntax and recursion. This lecture also describes theories of language acquisition, arguments for the specialization of language, and the commonalities observed in different languages across cultures.

00:00 - Chapter 1. The Scientific Notion of Language and Structure
15:53 - Chapter 2. Phonology: A System of Sounds
24:07 - Chapter 3. Morphology: A System of Words
27:21 - Chapter 4. Syntax: Communicating Complicated Ideas
35:21 - Chapter 5. Question and Answer on Language Structure
39:10 - Chapter 6. Noam Chomsky and Language Acquisition
47:07 - Chapter 7. The Time Course of Language Acquisition

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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Class 19: Capital Ch. 24, So-Called Original Accumulation

Sun, 20 Sep 2026 06:02:30 -0000

Through which historical events and what kinds of processes did the capital system take hold? Is Capital Volume 1 a revolutionary book?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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America at 250: A History, DeVane Lecture, Class 20 - A New Deal for America

Sun, 20 Sep 2026 06:00:00 -0000

The New Deal, FDR, Labor, and the 1930s are the topics covered by Professor Beverly Gage in this class.
Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history. The DeVane Lecture series was established in 1969 to honor William Clyde DeVane, dean of Yale College from 1939 to 1963.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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505 | Stand Out! How to Differentiate Your Solution - Social Entrepreneurship Course

Sun, 20 Sep 2026 05:49:00 -0000

In this lesson, we explore key strategies for differentiating your solution in the market. We cover understanding competition, clarifying your unique positioning, setting effective pricing based on perceived value, building a strong brand identity, and determining optimal promotion channels to reach your target customers. You'll learn how these elements come together to form a cohesive go-to-market plan, often visualized using tools like the Business Canvas.

🎯 Learning Objectives
• Identify and analyze both obvious and non-obvious competitors and customer alternatives.
• Clarify your unique selling proposition and strategically position your solution in the market.
• Determine pricing based on customers' perception of cost and added value.
• Develop a compelling brand identity and communication strategy to attract customers.
• Understand how to promote your solution effectively by leveraging customer information sources.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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Module 11 | Sally Abi Khalil on Policy and Advocacy - Social Entrepreneurship Interview

Sun, 20 Sep 2026 05:05:00 -0000

How can social entrepreneurs truly expand their impact beyond their individual ventures? In this lesson, Sally Abi Khalil shares invaluable insights from her work, emphasizing the critical role of policy and advocacy in creating systemic social change. She discusses navigating legal frameworks, building critical mass through collaboration, and the importance of long-term commitment, patience, and idealism in the journey of social transformation.\n\n🎯 Learning Objectives\n• Differentiate between organizational growth and expanding social impact.\n• Explore how social entrepreneurs can leverage their work for policy and advocacy.\n• Understand the significance of collective action and building critical mass in social change.\n• Recognize the value of patience, idealism, and broad communication in the pursuit of transformative impact.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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1.3 | Inside Medical Software Development: Design, Testing and AI | Medical Software Course

Sun, 20 Sep 2026 05:00:00 -0000

In this lesson, we continue our guided tour of medical software, moving beyond initial requirements to explore the practical stages of development and deployment. We'll delve into software design principles, the critical role of testing, and the complex decision-making processes, including signal detection and validation crucial for clinical utility. This part of the tour also introduces the exciting frontier of machine learning and artificial intelligence in healthcare, along with essential business considerations for bringing medical software to market.

🎯 Learning Objectives
• Understand the components of medical software design and architectural principles.
• Learn about the importance and process of software testing, including bug detection rates.
• Explore decision theory, including concepts like sensitivity and specificity, in medical software.
• Identify the three key steps of medical software validation: Valid Clinical, Analytical, and Clinical Validation.
• Gain insight into the evolving role of machine learning, AI, and business considerations in the medical software industry.

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Class 9: Capital Chapters 10-13: Relative Surplus-Value, Division of Labor, Machinery, part 1

Sun, 20 Sep 2026 04:07:30 -0000

Center of the book, the ABCs of Capital. What is relative surplus value?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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Class 2: Capital Chapter 1: The Commodity, part 2

Sun, 20 Sep 2026 04:00:00 -0000

What is value?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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6. Microlensing, Astrometry and Other Methods

Sun, 20 Sep 2026 03:10:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

The class begins with a discussion on transits important astronomical events that help astronomers to find new planets. The event occurs when a celestial body moves across the face of the star it revolves around and blocks some of its light. By calculating the amount of light that is being obscured astronomers can obtain important information about both star and planet, such as size, density, radial velocity and more. The concept of planetary migration is explained in order to better understand the dramatic differences between bodies in the Inner and Outer Solar System. Finally, potential problems in the Solar System that may occur as a result of migration are addressed.

00:00 - Chapter 1. Complexities and New Observations on Hot Jupiters
07:38 - Chapter 2. Discovery of Planetary Transits
19:53 - Chapter 3. Limits of Finding Planets Directly from Transits
28:54 - Chapter 4. Metallicity and Planetary Migration
43:32 - Chapter 5. Consequences and Limits of the Idea of Planetary Migration

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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6. The Greek "Renaissance" - Colonization and Tyranny

Sun, 20 Sep 2026 03:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Donald Kagan discusses the emergence of a new style of warfare among the Greeks, the hoplite phalanx. After discussing the panoply of the hoplite solider and the method of fighting, he argues that this style of fighting came about early in the life of the polis. In addition, he shows that the phalanx was almost invincible on the field. At the lecture's conclusion, he answers several questions from students about hoplite warfare in the Greek world.

00:00 - Chapter 1. An Introduction to the Hoplite Phalanx
06:33 - Chapter 2. The Hoplite
12:09 - Chapter 3. The Phalanx
29:47 - Chapter 4. Fighting Style, Casualties, Winning and Losing
43:51 - Chapter 5. Question and Answer on the Hoplite Phalanx
01:02:17 - Chapter 6. Closing Remarks and Critiques of Orthodox Interpretation

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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802 | Demystify Financing: Funding Sources for Your Social Venture - Social Entrepreneurship Course

Sun, 20 Sep 2026 02:12:30 -0000

Navigating the myriad of funding options can be overwhelming. In this lesson, we systematically explore the primary sources of capital available for social enterprises, from government grants to private investments and individual contributions. Discover the diverse avenues to secure financial backing and learn how to identify funders whose values align with your mission, ensuring not just financial support but also valuable resources like mentorship.

🎯 Learning Objectives
• Identify the four main categories of funding sources for social enterprises.
• Distinguish between different types of government, non-governmental, private sector, and individual funding options.
• Understand the typical characteristics and examples of funding mechanisms like grants, venture capital, and crowdfunding.
• Recognize the importance of aligning your enterprise's values with potential funders and exploring non-financial support.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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18. The badness of death, Part III; Immortality, Part I

Sun, 20 Sep 2026 02:00:00 -0000

Death (PHIL 176)

The discussion of the badness of death continues by asking whether it is bad that we do not exist before our birth. The views of a number of contemporary philosophers, such as Tom Nagle, Fred Feldman, and Derek Parfit, are introduced. Then Professor Kagan turns to the subject of immortality. Would it be desirable to live forever, and if so, under what circumstances one might enjoy such a prolonged existence? The lecture concludes with Bernard Williams' take on immortality which posits that no kind of human life can continue to be enjoyable and attractive for eternity.

00:00 - Chapter 1. The Modest Existence Clause
08:46 - Chapter 2. "Schmoss" of Life: Is it Bad?
22:01 - Chapter 3. Feldman and Parfit on Nonexistence before Life
33:45 - Chapter 4. Is Immortality the Antidote to Deprivation-Based Death?
49:26 - Chapter 5. Conclusion: A "Best" Immortal State?

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2007.

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6. Nash equilibrium: dating and Cournot

Sun, 20 Sep 2026 01:15:00 -0000

Game Theory (ECON 159)

We apply the notion of Nash Equilibrium, first, to some more coordination games; in particular, the Battle of the Sexes. Then we analyze the classic Cournot model of imperfect competition between firms. We consider the difficulties in colluding in such settings, and we discuss the welfare consequences of the Cournot equilibrium as compared to monopoly and perfect competition.

00:00 - Chapter 1. Coordination Games: Scope for Leadership and Strategic Complements
04:59 - Chapter 2. Coordination Games: The Battle of the Sexes
18:37 - Chapter 3. Cournot Duopoly: Math
53:28 - Chapter 4. Cournot Duopoly: Real World Examples

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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Low-Cost, High-Nutrition Eating for Graduate Students: Healthy Recipes

Sun, 20 Sep 2026 01:00:00 -0000

In this video, discover easy and nutritious recipes designed for busy students. Dr. Nate Wood shares meals that are both affordable and quick to prepare, ensuring you eat well without breaking the bank.

Managing your finances as a student is challenging. Yale’s Graduate and Professional Student Senate collaborated with Dr. Nate Wood, Assistant Professor and Director of Culinary Medicine at the Yale School of Medicine, to create this video series aimed at helping our community to shop and eat affordably and nutritiously.

According to a 2024 Senate report, 30% of Yale's graduate and professional students experience food insecurity. Our goal is to provide tangible support through practical tips, recipes, and strategies. For more resources or to share your thoughts, use our contact form!
https://www.gpsenate.yale.edu/contact

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17. Hubble's Law and the Big Bang (cont.)

Sun, 20 Sep 2026 00:17:30 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Class begins with a review of magnitudes and the problem set involving magnitude equations. Implications of the Hubble Law and Hubble Diagram are discussed. Professor Bailyn elaborates on the Big Bang theory of cosmology and addresses controversial questions related to the age, development, and boundaries of the universe. The fate of the universe, and possibly its end (known as the Big Crunch) are addressed. Imagining an expanding three-dimensional universe is proposed. The lecture ends with a question-and-answer session during which students inquire about a variety of topics related to cosmology, such as the center of the universe, its current expansion, and hypothetical collapse.

00:00 - Chapter 1. Review of Magnitudes
07:38 - Chapter 2. Implications of Hubble's Discoveries on the Aging Universe
26:36 - Chapter 3. Conceptualizing a Three-Dimensional Universe
34:22 - Chapter 4. Q&A: The Big Bang, the Expansion, and the Big Crunch

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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Class 6: Capital Chapters 5-9: Absolute Surplus-Value, Valorization, the Working Day

Sun, 20 Sep 2026 00:00:00 -0000

On the general formula of capital and its constant movement.

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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4. Newton's Laws (cont.) and Inclined Planes

Sun, 20 Sep 2026 00:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The lecture begins with the application of Newton's three laws, with the warning that they are not valid for objects that move at speeds comparable to the speed of light or objects that are incredibly small and of the atomic scale. Friction and static friction are discussed. The dreaded inclined plane is dealt with head on. Finally, Professor Shankar explains the motion of objects using Newton's laws in specific problems related to objects in circular motion, such as roller coasters and a planet orbiting the Sun.

00:00 - Chapter 1. Continuation of Types of External Forces
14:50 - Chapter 2. Kinetic and Static Friction
31:34 - Chapter 3. Inclined Planes
49:04 - Chapter 4. Pulleys
57:30 - Chapter 5. Friction and Circular Motion: Roundabouts, Loop-the-Loop

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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Class 14 Capital Unpublished Chapter 6: Results of the Immediate Production Process

Sat, 19 Sep 2026 23:20:00 -0000

What is the subsumption of labor into capital?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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Music and Social Action - Greene Part 2

Sat, 19 Sep 2026 23:00:00 -0000

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What does it really mean to be a "leader"? | Connected Leadership

Sat, 19 Sep 2026 23:00:00 -0000

Before diving into the framework, Peter unpacks the two words at the heart of the course: leader and connected. He invites you to claim your own definition of leadership — one that's inspiring, comfortable, and shed of unhelpful baggage — and contrasts the connected leader with isolated, authoritarian models.

Key topics:
- Why associations with "leader" can be positive, neutral, or negative
- Manager vs leader: getting things done right vs doing the right things
- Four leadership positions: from the front, side, behind, and within
- Leading from within, anchored to your individual purpose
- The connected leader vs the window/mirror schools of management
- Connecting authentically at the system level

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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Class 5: Capital Chapters 2-4: Exchange, Money, Capital, part 2

Sat, 19 Sep 2026 22:22:30 -0000

What is money? How does circulation change everything?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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Class 11: Capital Chapter 12 and 13: Changes in the Division of Labor, Machinery

Sat, 19 Sep 2026 22:00:00 -0000

How do the division within labor and the new cooperation change labor and life?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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5.1 | Unlocking Medical Software: Life Cycles and the IEC 62304 Standard - Medical Software Course

Sat, 19 Sep 2026 22:00:00 -0000

In this lesson, we dive into the foundational concept of the medical software life cycle, the essential organizing principle for any medical software project. We'll introduce the international standard IEC 62304, which governs these life cycles, and explore why a defined life cycle model is not just recommended, but mandated, integrating seamlessly with quality and risk management systems. The lesson also distinguishes between various software risk classifications and their implications for development rigor, along with different life cycle models such as waterfall, incremental, and evolutionary approaches.

🎯 Learning Objectives
• Understand the medical software life cycle and its significance as an organizing principle.
• Learn about the IEC 62304 international standard governing medical device software development.
• Differentiate between software risk classifications (Class A, B, C) and their impact on project requirements.
• Explore various software life cycle models, including waterfall, incremental, and evolutionary.
• Recognize the importance of quality and risk management systems in medical software development.

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506 | Develop Your Social Enterprise with SWOT and PESTEL Analysis - Social Entrepreneurship Course

Sat, 19 Sep 2026 21:49:00 -0000

In this lesson, we delve into the essential analytical frameworks of SWOT and PESTEL to help you thoroughly assess and develop your social enterprise idea. Understanding your internal strengths and weaknesses, along with external opportunities and threats, is crucial for both refining your concept and effectively communicating it to potential supporters.

🎯 Learning Objectives
• Understand the components and purpose of SWOT analysis for evaluating your idea's internal and external factors.
• Utilize the PESTEL framework to break down external opportunities and threats into political, economic, social, technological, environmental, and legal aspects.
• Recognize how SWOT and PESTEL analyses are vital for assessing your idea's viability and communicating its potential and limitations to stakeholders.
• Learn why transparency about your idea's strengths and weaknesses helps garner support for implementation.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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21. Dark Energy and the Accelerating Universe and the Big Rip

Sat, 19 Sep 2026 21:25:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Class begins with a review of the mysterious nature of dark matter, which accounts for three quarters of the universe. Different models of the universe are graphed. The nature, frequency, and duration of supernovae are then addressed. Professor Bailyn presents data from the Supernova Cosmology Project and pictures of supernovae taken by the Hubble Space Telescope. The discovery of dark energy is revisited and the density of dark energy is calculated. The Big Rip is presented as an alternative hypothesis for the fate of the universe.

00:00 - Chapter 1. Review of Dark Matter
04:51 - Chapter 2. Supernovae
20:53 - Chapter 3. Finding Supernovae: The Supernovae Cosmology Project
34:41 - Chapter 4. The Constant Density of Dark Matter and the Big Rip

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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803 | Funding Vehicles Explained: Gifts, Loans, Equity and Bonds - Social Entrepreneurship Course

Sat, 19 Sep 2026 21:00:00 -0000

Navigating the financial landscape as a social entrepreneur can be challenging. In this lesson, we demystify the spectrum of common funding vehicles, from philanthropic gifts like donations and grants, to repayable options such as loans, equity investments, and the innovative mechanism of social impact bonds (SIBs). Discover the unique characteristics, advantages, and potential drawbacks of each funding type to make informed decisions for your venture.

🎯 Learning Objectives
• Identify the four main categories of funding vehicles: gifts, loans, equity, and bonds.
• Distinguish between different types of gifts, including donations, grants, and awards, and their implications.
• Evaluate the pros and cons of utilizing loans and equity investments for social ventures.
• Understand the structure and purpose of Social Impact Bonds (SIBs) as a performance-based funding mechanism.
• Recognize the importance of aligning values with funders across all funding types.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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7. Direct Imaging of Exoplanets

Sat, 19 Sep 2026 21:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Class begins with a problem on transits and learning what information astronomers obtain through observing them. For example, radii of stars can be estimated. Furthermore, applying the Doppler shift method, one can find the mass of a star. Finally, a star's density can be calculated. A second method for identifying planets around stars is introduced: the astrometry method. The method allows for an extremely accurate assessment of a star's precise position in the sky. Special features of the astrometry method are discussed and a number of problems are solved. A short summary is given on the three methods astronomers use to identify exoplanets. Class ends with an overview of upcoming space missions and the hope of detecting the presence of biological activity on other planet.

00:00 - Chapter 1. Calculating Planetary Density from Transits and Doppler Shifts
09:14 - Chapter 2. Astrometry to Assess Planetary Position
23:55 - Chapter 3. Summary of Planetary Identification Methods
34:12 - Chapter 4. Kepler, SIM, and TPF

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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4. Discovering Exoplanets: Hot Jupiters

Sat, 19 Sep 2026 20:27:30 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

The formation of planets is discussed with a special emphasis on the bodies in the Solar System. Planetary differences between the celestial bodies in the Inner and Outer Solar System are observed. Professor Bailyn explains how the outlook of our Solar System can predict what other star systems may look like. It is demonstrated how momentum equations are applied in astronomers' search for exoplanets. Planet velocities are discussed and compared in relation to a planet's mass. Finally, the Doppler shift is introduced and students learn how it is used to measure the velocity of distant objects, such as galaxies and planets.

00:00 - Chapter 1. Theory of Planetary Formation
12:04 - Chapter 2. Observing Moving Exoplanets and Stars
23:45 - Chapter 3. Doppler Shift
37:47 - Chapter 4. 51 Pegasus and "Hot Jupiters"

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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1.4 | Demystifying Medical Device Regulations and FDA Approval for Software | Medical Software Course

Sat, 19 Sep 2026 20:00:00 -0000

Have you ever wondered what it takes to bring medical software to market safely and legally? In this lesson, we demystify the essential regulatory process for medical devices, from initial design and risk analysis to FDA approval and beyond. We explore the nuanced definition of a medical device, distinguishing regulated software from general healthcare applications, and delve into the critical role of laws, regulations, and international standards in ensuring product safety and developer accountability.

🎯 Learning Objectives
• Understand the comprehensive steps of the regulatory process for medical software development.
• Accurately define a medical device and distinguish it from non-regulated healthcare software.
• Differentiate between laws, regulations, and guidance documents in the regulatory framework.
• Recognize the significance of international standards (soft law) in medical device compliance.

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12. Stellar Mass Black Holes

Sat, 19 Sep 2026 20:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

One last key concept in Special Relativity is introduced before discussion turns again to black celestial bodies (black holes in particular) that manifest the relativistic effects students have learned about in the previous lectures. The new concept deals with describing events in a coordinate system of space and time. A mathematical explanation is given for how space and time reverse inside the Schwarzschild radius through sign changes in the metric. Evidence for General Relativity is offered from astronomical objects. The predicted presence and subsequent discovery of Neptune as proof of General Relativity are discussed, and stellar mass black holes are introduced.

00:00 - Chapter 1. Invariance in Special Relativity
10:10 - Chapter 2. Invariant Intervals and the Schwarzschild Metric
21:01 - Chapter 3. Schwarzschild Sign Changes and Space-Time Reversals
36:27 - Chapter 4. Evidence for General Relativity in Astronomy

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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8. Dynamics of Multiple-Body System and Law of

Sat, 19 Sep 2026 19:30:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The dynamics of a many-body system is examined. Through a variety of examples, the professor demonstrates how to locate the center of mass and how to evaluate it for a number of objects. Finally, the Law of Conservation of Momentum is introduced and discussed. The lecture ends with problems of collision in one dimension focusing on the totally elastic and totally inelastic cases.

00:00 - Chapter 1. Multi-body Dynamics — The Two-body System
05:41 - Chapter 2. The Center of Mass
32:05 - Chapter 3. Law of Conservation of Momentum — Examples and Applications
56:32 - Chapter 4. The Rocket Equation
01:03:19 - Chapter 5. Elastic and Inelastic Collisions

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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20. Fluid Dynamics and Statics and Bernoulli's Equation

Sat, 19 Sep 2026 19:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The focus of the lecture is on fluid dynamics and statics. Different properties are discussed, such as density and pressure. Archimedes' Principle is introduced and demonstrated through a number of problems. The final topic of the lecture is Bernoulli's Equation.

00:00 - Chapter 1. Introduction to Fluid Dynamics and Statics — The Notion of Pressure
04:14 - Chapter 2. Fluid Pressure as a Function of Height
20:49 - Chapter 3. The Hydraulic Press
26:32 - Chapter 4. Archimedes' Principle
36:36 - Chapter 5. Bernoulli's Equation
39:12 - Chapter 6. The Equation of Continuity
53:41 - Chapter 7. Applications of Bernoulli's Equation

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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Class 10: Capital Chapters 10-13: Relative Surplus-Value, Division of Labor, Machinery, part 2

Sat, 19 Sep 2026 19:00:00 -0000

What role does technology play? Why do you make less if you work more? How does the mode of labor transform?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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14. Introduction to the Four-Vector

Sat, 19 Sep 2026 18:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The four-vector is introduced that unifies space-time coordinates x, y, z and t into a single entity whose components get mixed up under Lorentz transformations. The length of this four-vector, called the space-time interval, is shown to be invariant (the same for all observers). Likewise energy and momentum are unified into the energy-momentum four-vector.

00:00 - Chapter 1. Recap—Consequences of the Lorentz Transformations
06:25 - Chapter 2. Causality Paradoxes: "Killing the Grandmother"
15:22 - Chapter 3. A New Understanding of Space-Time
25:51 - Chapter 4. Introducing the Fourth Dimension and Four-Vector Algebra
44:09 - Chapter 5. The Space-Time Interval, or "Proper Time"
51:47 - Chapter 6. Deriving the Velocity and Momentum Vectors in Space-Time
01:04:40 - Chapter 7. The New Energy-Mass Relation

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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5.2 | Medical Software Life Cycles: Agile Development | Medical Software Course

Sat, 19 Sep 2026 18:00:00 -0000

In this lesson, we delve deeper into software development life cycles, exploring the precise steps defined by the IEC 62304 standard. We'll also examine how modern agile methodologies integrate with these rigorous regulatory requirements, ensuring both efficiency and safety in medical software development.

🎯 Learning Objectives
• Describe the key phases of the software development life cycle as per IEC 62304.
• Differentiate between the development and maintenance life cycles for medical software.
• Analyze the compatibility of agile methodologies with the structured requirements of the IEC 62304 standard.
• Explain the importance of design controls and discipline in any medical software development process.

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The 4 Ps: Purpose, Priorities, Potential, Progress | Connected Leadership with Peter Boyd

Sat, 19 Sep 2026 17:32:30 -0000

Peter introduces the 4 Ps framework — Purpose, Priorities, Potential, and Progress — and the rope-of-four-fibers metaphor: your leadership is only as strong as your weakest fiber. He shows how the same framework scales from the self level up to teams and to whole systems.

Key topics:
- The logic flow behind connected leadership
- The 4 Ps: Purpose, Priorities, Potential, Progress
- Why getting it on one page matters
- The rope-and-fibers analogy for leadership strength
- Scaling the 4 Ps from self to team to system
- Anchor quotes for each level: Maya Angelou, an African proverb, and Gandhi

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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6. Guest Lecture by Andrew Goldstone

Sat, 19 Sep 2026 17:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this guest lecture, Teaching Fellow Andrew Goldstone provides us with some key concepts for understanding Modernism and Nabokov's relation in particular to his literary forebears T. S. Eliot, James Joyce, and Marcel Proust. Positing the "knight's move" as a description of Nabokov's characteristically indirect, evasive style, Goldstone argues that Nabokov's parodies of Modernist form in fact reveal his deep commitment to some of the same aesthetic principles. While the knight's move often indicates a playful attitude towards tradition, it also betrays a traumatic rupture with the past, reflecting a sense of exile that links Nabokov's art with the violence of Lolita's protagonist, Humbert.

00:00 - Chapter 1. Defining Literary Modernism
10:01 - Chapter 2. The Knight's Move: Nabokov on Tradition and Originality
15:56 - Chapter 3. The Influence of Joyce
27:35 - Chapter 4. Reading Nabokov as an Exile

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Class 13: Capital Chapters 14-16: Absolute and Relative Surplus-Value

Sat, 19 Sep 2026 17:00:00 -0000

How do relative and absolute surplus-value condition each other? What are the three types of subsumption?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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17. Constitutional Government: Locke's Second Treatise (13-19)

Sat, 19 Sep 2026 16:35:00 -0000

Introduction to Political Philosophy (PLSC 114)

In this lecture, two important issues are addressed in the context of Locke's Second Treatise. First, there is discussion on the role of the executive vis-a-vis the legislative branch of government in Locke's theory of the constitutional state. Second, Locke's political theories are related to the American regime and contemporary American political philosophy. The lecture concludes with John Rawls' book, A Theory of Justice, and how his general theory relates to Locke's political ideas.

00:00 - Chapter 1. The Role of Executive Power in Locke's Theory of Government
27:41 - Chapter 2. Contrasting Rawls' Theory of Justice with Locke's Theory of LiberalIsm
42:17 - Chapter 3. Locke, the American Regime and the Current State of Political Philosophy

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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14. Maxine Hong Kingston, The Woman Warrior

Sat, 19 Sep 2026 16:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this lecture at the midpoint of the course Professor Hungerford takes stock of the syllabus thus far and to come by laying out her guiding thesis of the Identity Plot, a rubric for understanding novels in the twentieth century as, she argues, the Marriage Plot is a rubric for understanding novels in the nineteenth century. Referring to examples throughout the syllabus, but especially Maxine Hong Kingston's Woman Warrior, Hungerford describes the overriding tendency of American novels written after 1945 to explore the tension between individual and collective identities and to interrogate the artistic and political stakes of competing notions of authenticity.

00:00 - Chapter 1. Course Thesis: The Identity Plot
26:04 - Chapter 2. The Roles of Literary Fiction and Genre Fiction
31:12 - Chapter 3. Multiple Forms of Identity
39:43 - Chapter 4. Definition Through Delimitation: The End of Identity and the Rise of History

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Class 12: Capital Chapter 13 Machinery

Sat, 19 Sep 2026 16:00:00 -0000

What does machinery do?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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5.3 | GPS for Your Brain? The IGNS Project Explained! Medical Software Course

Sat, 19 Sep 2026 15:37:30 -0000

Have you ever wondered how software guides delicate medical procedures? In this lesson, we introduce the Image Guided Neurosurgery (IGNS) example project, an anchoring case study to explore user needs, system requirements, and software design in medical applications. We'll delve into its three critical phases—planning, initialization, and guidance—and also touch upon the image-guided prostate biopsy example to illustrate key concepts like tissue deformation and real-time imaging.

🎯 Learning Objectives
• Understand the purpose of the Image Guided Neurosurgery (IGNS) project as a case study for medical software development.
• Identify and describe the three main phases of an IGNS procedure: planning, initialization, and guidance.
• Explain the role of tracking technology and image registration in surgical navigation systems.
• Recognize how principles of image-guided surgery, including deformation compensation, apply to other procedures like prostate biopsies.

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9. Paradise Lost, Book I

Sat, 19 Sep 2026 15:00:00 -0000

Milton (ENGL 220)

The invocation to Paradise Lost is read and analyzed. Milton's tenure as Latin Secretary under the Puritan government, his subsequent imprisonment upon the restoration of the monarchy, and his blindness are all briefly discussed. The poet's subsequent choice of a religious subject, rather than a nationalist one, for his epic is considered in light of the failure of the Puritan regime. His radical poetics, including his stance against rhyme and his unique use of enjambment and double syntax, is closely examined. Elements of the radical philosophy of monism, present in his depiction of angelic bodies, are identified and discussed at length.

00:00 - Chapter 1. "Paradise Lost": The Fall of Adam, Eve and the Rebel Angels
08:56 - Chapter 2. "Paradise Lost": A Powerful Defense against Lateness
13:44 - Chapter 3. "First": A Strategy of Retrospective Anticipation
23:14 - Chapter 4. "Paradise Lost": Radical Theology
28:25 - Chapter 5. "Paradise Lost": Thoughts Unconstrained by Grammar

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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Music and Social Action - Introduction

Sat, 19 Sep 2026 15:00:00 -0000

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Class 17: Capital Chapters 21-24: Accumulation, Reproduction

Sat, 19 Sep 2026 14:40:00 -0000

What is expanded or expanding reproduction? How does value valorizes continuously and become capital?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

Learn more about your ad choices. Visit megaphone.fm/adchoices

13. Stellar Mass Black Holes (cont.)

Sat, 19 Sep 2026 14:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Class begins with clarification of equations from the previous lecture. Four post-Newtonian gravitational effects are introduced and discussed in detail. The first of these is the so-called Perihelion Precession, which occurs when the major axis of a planet's elliptical orbit precesses within its orbital plane, in response to changing gravitational forces exerted by other planets. Secondly, deflection of light is described as the curving of light as it passes near a large mass. Gravitational redshift is explained as a frequency effect that occurs as light moves away from a massive body such as a star or black hole. Finally, the existence and effects of gravitational waves are discussed. The lecture closes with a brief history of the 1919 eclipse expedition that made Einstein famous.

00:00 - Chapter 1. Defining Black Holes in Terms of the Schwarzschild Radius
15:44 - Chapter 2. Perihelions and Deflection of Light
22:44 - Chapter 3. Hunting Eclipses
31:31 - Chapter 4. Gravitational Redshift
45:14 - Chapter 5. Gravitational Waves

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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4. A Northern World View: Yankee Society, Antislavery Ideology and the Abolition Movement

Sat, 19 Sep 2026 14:00:00 -0000

The Civil War and Reconstruction (HIST 119)

Having finished with slavery and the pro-slavery argument, Professor Blight heads North today. The majority of the lecture deals with the rise of the Market Revolution in the North, in the 1820s, 1830s, and 1840s. Blight first describes the causes of the Market Revolution--the rise of capital, a transportation revolution--and then moves to its effects on the culture and consciousness of antebellum northerners. Among these effects were a riotous optimism mixed with a deep-rooted fear of change, an embrace of the notions of progress and Manifest Destiny, and the intensification of the divides between North and South.

00:00 - Chapter 1. Introduction
04:40 - Chapter 2. Uriah Parmelee, the Yalie
12:54 - Chapter 3. The Market Revolution of the North: Mobility, Child Labor, Wealth
27:12 - Chapter 4. The Idea of Manifest Destiny, the Reality of Change, and the Transportation Revolution
37:23 - Chapter 5. Contradictions of Progress in American Literature
43:22 - Chapter 6. Change as Precursor to Reform: A Historical Perspective

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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18. The Dark Years: Vichy France

Sat, 19 Sep 2026 13:49:00 -0000

France Since 1871 (HIST 276)

For decades after the end of World War II the question of French collaboration with the Nazis was obscured. One of the reasons for this was the desire of de Gaulle and others to downplay the central role of communists in resisting the occupation. In fact, many French civilians were involved to greater or lesser degrees in informing upon their fellows or otherwise furthering the interests of the German invaders. Under the Vichy regime, right-wing politics in France developed an ideological program founded upon an appeal to nationalism, the soil, and the rejection of perceived decadence.

00:00 - Chapter 1. The Outbreak of War: French and German Military Capacities
05:32 - Chapter 2. The Fall of France
09:02 - Chapter 3. Collaboration: Vichy France in Power
12:35 - Chapter 4. Gaps in National Memory: Problems in the History of Collaboration
21:16 - Chapter 5. The Collaborator Trials: The Vindication of History
33:20 - Chapter 6. The Character of the Collaborators: Identity and Motives

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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How do teams keep their priorities from quietly slipping? | Connected Leadership

Sat, 19 Sep 2026 13:42:30 -0000

Once your team has its four Ps in place, the question becomes how to keep the bigger picture alive and hold each other accountable. This lesson lays out simple shared tools that let any team co-create and continuously refresh their work on one page.

Key topics:
- Holding each other accountable on progress
- Shared spreadsheets and slides as living team tools
- Connecting individual tabs to team goals
- Building the team's work on one page
- Walking through the connected strategy pyramid
- Revisiting documents at a cadence that works

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

8. Introduction to Black Holes

Sat, 19 Sep 2026 13:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

The second half of the course begins, focusing on black holes and relativity. In introducing black holes, Professor Bailyn offers a definition, talks about how their existence is detected, and explains why (unlike in the case with exoplanets where Newtonian physics was applied) Einstein's Theory of Relativity is now required when studying black holes. The concepts of escape and circular velocity are introduced. A number of problems are worked out and students learn how to calculate an object's escape velocity. A historical overview is offered of our understanding and discovery of black holes in the context of stellar evolution.

00:00 - Chapter 1. Introduction
02:38 - Chapter 2. Escape Velocity
12:12 - Chapter 3. Defining Black Holes and the Schwarzschild Radius
18:50 - Chapter 4. Gravity and Pressure in the Evolution of Stars
28:06 - Chapter 5. From Electron Degeneracy Pressure to the Chandrasekhar Limit
37:59 - Chapter 6. Neutron Stars
42:38 - Chapter 7. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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When Spanish Learning Comes to Life: Watertown Students Visit Yale

Sat, 19 Sep 2026 13:00:00 -0000

What happens when online learning comes to life?

Students from Watertown High School’s Spanish Honors class visited Yale University to meet the instructors and contributors behind Yale en primera persona: Narrativas hispanas, an online video collection featuring more than 60 first-person stories from Spanish-speaking members of the Yale community.

During their visit, students participated in a panel discussion, asked thoughtful questions about language, culture, and career paths, and explored how authentic storytelling can deepen language learning.

Created by Lourdes Sabé, Yale en primera persona helps learners engage with a wide range of Spanish accents, backgrounds, and lived experiences from across the Yale community.

Explore the collection on Yale Online: https://online.yale.edu/courses/yale-en-primera-persona

#Yale #YaleOnline #SpanishLearning #LanguageLearning #YaleUniversity #Education #OpenEducationalResources

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2. Putting yourselves into other people's shoes

Sat, 19 Sep 2026 12:45:00 -0000

Game Theory (ECON 159)

At the start of the lecture, we introduce the "formal ingredients" of a game: the players, their strategies and their payoffs. Then we return to the main lessons from last time: not playing a dominated strategy; and putting ourselves into others' shoes. We apply these first to defending the Roman Empire against Hannibal; and then to picking a number in the game from last time. We learn that, when you put yourself in someone else's shoes, you should consider not only their goals, but also how sophisticated are they (are they rational?), and how much do they know about you (do they know that you are rational?). We introduce a new idea: the iterative deletion of dominated strategies. Finally, we discuss the difference between something being known and it being commonly known.

00:00 - Chapter 1. Recap of Previous Lecture: Prisoners' Dilemma and Payoffs
06:47 - Chapter 2. The Formal Ingredients of a Game
16:01 - Chapter 3. Weakly Dominant Strategies
35:29 - Chapter 4. Rationality and Common Knowledge
01:05:37 - Chapter 5. Common Knowledge vs. Mutual Knowledge

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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9. Special and General Relativity

Sat, 19 Sep 2026 12:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

The discussion of black holes continues with an introduction of the concept of event horizon. A number of problems are worked out to familiarize students with mathematics related to black hole event horizons. In a longer question and answer session, Professor Bailyn discusses the more mystifying aspects of the nature of black holes and the possibility of time travel. Finally, the issues of reconciling Newton's laws of motion with Special Relativity, and Newton's law of gravity with General Relativity, are addressed.

00:00 - Chapter 1. Event Horizon
11:47 - Chapter 2. Singularity and Clarifications on Black Holes
27:46 - Chapter 3. Locating Black Holes
37:51 - Chapter 4. Introduction to Special and General Relativity

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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Class 7: Capital Chapters 5-9: Absolute Surplus-Value, Valorization, the Working Day, part 2

Sat, 19 Sep 2026 12:00:00 -0000

How does the world look from the standpoint of production? What is valorization? What is surplus-value?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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Class 18: Capital Chapter 23, The General Law of Capital Accumulation

Sat, 19 Sep 2026 11:47:30 -0000

Is capital accumulation a lawful process? What is its law?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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8. Jack Kerouac, On the Road

Sat, 19 Sep 2026 11:00:00 -0000

The American Novel Since 1945 (ENGL 291)

Professor Amy Hungerford's lecture on Kerouac's On the Road begins by contrasting the Beats' ambition for language's direct relation to lived experience with a Modernist sense of difficulty and mediation. She goes on to discuss the ways that desire structures the novel, though not in the ways that we might immediately expect. The very blatant pursuit of sex with women in the novel, for example, obscures the more significant desire for connection among men, particularly the narrator Sal's love for Dean Moriarty. The apparent desire for the freedom of the open road, too, Hungerford argues, exists in a necessary conjunction with the idealized comforts of a certain middle-class American domesticity, signaled by the repeated appearance of pie.

00:00 - Chapter 1. The Beats: Similarities and Differences to Literary Modernism
09:46 - Chapter 2. A New Use of Language: Mirroring the Speed of Experience
18:13 - Chapter 3. "The Prophet of 'Wow'": The Language of Dean Moriarty/Neal Cassady
29:48 - Chapter 4. Dean and Sal: Tangled Sexual Tensions
33:56 - Chapter 5. The Hunger Metaphor: The American Culture of Consumption
40:21 - Chapter 6. Modes of Craftedness: Carlo Marx's Papier-Mache Mountains

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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1. Introduction

Sat, 19 Sep 2026 11:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Professor Bailyn introduces the course and discusses the course material and requirements. The three major topics that the course will cover are (1) exoplanets--planets around stars other than the Sun, (2) black holes--stars whose gravitational pull is so strong that even their own light rays cannot escape, and (3) cosmology--the study of the Universe as a whole. Class proper begins with a discussion on planetary orbits. A brief history of astronomy is also given and its major contributors over the centuries are introduced: Ptolemy, Galileo, Copernicus, Kepler, and Newton.

00:00 - Chapter 1. Introduction
05:38 - Chapter 2. Topics of the Course
12:57 - Chapter 3. Course Requirements
21:03 - Chapter 4. Planetary Orbits
31:32 - Chapter 5. From Newton's Laws of Motion to the Theory of Everything
38:10 - Chapter 6. The Newtonian Modification of Kepler's Third Law

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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Meet Your Instructor, Peter Boyd | Connected Leadership

Sat, 19 Sep 2026 10:50:00 -0000

Peter Boyd shares his cross-sector journey - from McKinsey and a decade at Virgin Group to teaching at Yale and founding Time4Good - and the three pillars that drive his work: connected leadership, the "great work" of sustainability, and the coaching mindset. He also explains why marathon running has taught him as much about personal leadership as his professional life has.

Key topics:
- Peter's Yale roles and his company, Time4Good
- Private-sector path: McKinsey, ten roles at Virgin Group, and CEO of Virgin Mobile South Africa
- Sustainability work: Carbon War Room, UN Race to Zero, and Sustainable Westport
- The "great work" - Thomas Berry's call for our generation
- The coaching mindset: partnering with people, not fixing them
- Why ultra marathons inform his leadership philosophy

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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14. Pulsars

Sat, 19 Sep 2026 10:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Professor Bailyn begins with a summary of the four post-Newtonian effects of general relativity that were introduced and explained last time: precession of the perihelion, the deflection of light, the gravitational redshift, and gravitational waves. The concept of gravitational lensing is discussed as predicted by Einstein's general relativity theory. The formation of a gravitational lens can be observed when light from a bright distant source bends around a massive object between the source (such as a quasar) and the observer. Professor Bailyn then offers a slideshow of gravitational lenses. The issue of finding suitable astronomical objects that lend the opportunity to observe post-Newtonian relativistic effects is addressed. The lecture ends with Jocelyn Bell and the discovery of pulsars.

00:00 - Chapter 1. Review of Post-newtonian Effects of General Relativity
06:15 - Chapter 2. Gravitational Lensing
21:05 - Chapter 3. Jocelyn Bell, Binary Pulsars, and General Relativity
44:17 - Chapter 4. Measurement Errors and Testing Strong Field Relativity

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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Music and Social Action Webinar with Professor Sebastian Ruth | Yale Online

Sat, 19 Sep 2026 10:00:00 -0000

Originally launched on Coursera in 2016, Music and Social Action continues to inspire learners around the world to explore how musicianship can serve the public good.

On May 4, 2026, Yale Online welcomed Professor Sebastian Ruth of the Yale School of Music back for a special live webinar inspired by the course. During this conversation, Sebastian revisits key ideas from Music and Social Action and reflects on the ways music can strengthen communities, deepen civic life, and create meaningful social impact.

Interested in exploring the full course? Enroll today: https://bit.ly/4db4L5u

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Active Listening and Feedback Tools | Connected Leadership with Peter Boyd

Sat, 19 Sep 2026 09:52:30 -0000

Active listening and high-quality feedback are foundational tools that connect you to the people you lead. This lesson introduces the 400-to-125 listening ratio and walks through the SBI plus Forecast model for giving and receiving feedback at any level.

Key topics:
- Listening capacity vs. speaking speed: the 400 to 125 ratio
- Three levels of listening and active 360-degree presence
- The SBI plus Forecast feedback model
- Situation, behavior, impact, and feed-forward steps
- Don't cross the net: staying on your side in feedback
- Climbing the ladder of inference carefully
- Controlling the temperature: thermostat vs. thermometer

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

22. Edward P. Jones, The Known World

Sat, 19 Sep 2026 09:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In the first of her two lectures on Edward P. Jones's The Known World, Professor Hungerford begins from the novel's title, asking what counts as knowledge in the novel and why knowledge is central to the story. This leads to related questions: who is a knower, and what can be known? Highlighting several different versions of how knowledge of the past is communicated through storytelling within the novel, she draws distinctions between Jones's model of historical knowledge and that of other writers on the syllabus. Professor Hungerford suggests that Jones revives a nineteenth-century form of the novel when his narrator takes on a God-like omniscience, but unlike the nineteenth-century novel's narrators, Jones's omniscient narrator provides little in the way of God-like consolation.

00:00 - Chapter 1. Initial Student Reactions: The Known World in the Wake of Morrison
06:31 - Chapter 2. A Historical Novel: Reactions to Postmodern Historical Theory
17:09 - Chapter 3. Threadlike Narratives and the Grand Tapestry: Modes of Telling Truth
34:19 - Chapter 4. The Question of Knowing: A Syllabus Retrospective
39:59 - Chapter 5. Jones's Anti-modernist Return to an Omniscient Narrator

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Music and Social Action - Greene Part 1

Sat, 19 Sep 2026 09:00:00 -0000

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8. The Mixed Regime and the Rule of Law: Aristotle's Politics, IV

Sat, 19 Sep 2026 08:55:00 -0000

Introduction to Political Philosophy (PLSC 114)

The lecture discusses Aristotle's comparative politics with a special emphasis on the idea of the regime, as expressed in books III through VI in Politics. A regime, in the context of this major work, refers to both the formal enumeration of rights and duties within a community as well as to the distinctive customs, manners, moral dispositions and sentiments of that community. Aristotle asserts that it is precisely the regime that gives a people and a city their identity.

00:00 - Chapter 1. Introduction: Aristotle's Comparative Politics and the Idea of the Regime
01:45 - Chapter 2. What Is a Regime?
13:58 - Chapter 3. What Are the Structures and Institutions of the Regime?
20:30 - Chapter 4. The Democratic Regime
34:35 - Chapter 5. Law, Conflict and the Regime
43:07 - Chapter 6. The Aristotelian Standard of Natural Right or Natural Justice

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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10. Tests of Relativity

Sat, 19 Sep 2026 08:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

The lecture begins with the development of post-Newtonian approximations from Newtonian terms. Several problems are worked out in calculating mass, force and energy. A discussion follows about how concepts like mass and velocity are approached differently in Newtonian physics and Relativity. Attention then turns to the discovery that space and time change near the speed of light, and how this realization affected Einstein's theories. Finally, the possibility of traveling faster than the speed of light is addressed, including how physicists might predict from laboratory conditions how this might occur. Muons, unstable particles that form at the top of the Earth's atmosphere, are used as an example.

00:00 - Chapter 1. Velocity and Mass in Special Relativity
08:34 - Chapter 2. Gamma and Post-newtonian Mass
15:34 - Chapter 3. What Is Mass?
26:25 - Chapter 4. Lorentz Transformations and Relativistic Effects
35:02 - Chapter 5. Time, Light, and the World

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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Make Your Priorities Stick When Life Shakes the Jar | Connected Leadership

Sat, 19 Sep 2026 08:00:00 -0000

Close out the Self module by guarding your four Ps against percolation and the inevitable shaking of your jar. Learn to revisit purpose, priorities, potential, and progress regularly while balancing Kronos planning with Kairos opportunity.

Key topics:
- Percolation and how sand sneaks under your rocks
- Revisiting purpose, priorities, potential, progress
- Heraclitus on continual iteration
- Kronos: planning your time
- Kairos: seizing the spontaneous moment
- Closing the Self level of connected leadership

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

1105 | Thank You! Celebrating Our Social Entrepreneurship Journey - Social Entrepreneurship Course

Sat, 19 Sep 2026 07:57:30 -0000

In this final lesson, Teresa Chahine extends a heartfelt thank you to everyone who made the Social Entrepreneurship Course possible, starting with the learners. The instructor reflects on the profound impact of this journey, acknowledging the invaluable contributions of thought leaders, community entrepreneurs, and the dedicated production team behind the scenes.

🎯 Learning Objectives
• Recognize the collaborative effort and diverse expertise that shaped the course content.
• Be encouraged to maintain engagement and continue the social entrepreneurship journey.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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5. Philosophers and Kings: Plato's Republic, III-IV

Sat, 19 Sep 2026 07:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

The discussion of the Republic continues. An account is given of the various figures, their role in the dialogue and what they represent in the work overall. Socrates challenges Polemarchus' argument on justice, questions the distinction between a friend and an enemy, and asserts his famous thesis that all virtues require knowledge and reflection at their basis.

00:00 - Chapter 1. Polemarchus
08:25 - Chapter 2. Thrasymachus
18:59 - Chapter 3. Glaucon
26:09 - Chapter 4. Adeimantus
37:28 - Chapter 5. Spiritedness and the Establishment of the Just City

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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12. Introduction to Relativity

Sat, 19 Sep 2026 07:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

This is the first of a series of lectures on relativity. The lecture begins with a historical overview and goes into problems that aim to describe a single event as seen by two independent observers. Maxwell's theory, as well as the Galilean and Lorentz transformations are also discussed.

00:00 - Chapter 1. The Meaning of Relativity
18:10 - Chapter 2. The Galilean Transformation and its Consequences
31:35 - Chapter 3. The Medium of Light
43:22 - Chapter 4. The Two Postulates of Relativity
46:48 - Chapter 5. Length Contraction and Time Dilation
55:34 - Chapter 6. Deriving the Lorentz Transformation

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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1.7 | Revolutionizing Medicine: The Promise of Digital Healthcare - Medical Software Course

Sat, 19 Sep 2026 07:00:00 -0000

In this lesson, we explore the profound digital transformation sweeping across healthcare, examining how technology is reshaping patient care, diagnostics, and data management. From the widespread adoption of electronic medical records and telemedicine to emerging fields like digital medicine, imaging, and biomarkers, we'll delve into the benefits and challenges of these advancements, highlighting the immense opportunities for innovation in medical software.

🎯 Learning Objectives
• Define and understand the impact of key digital health technologies like EMRs, telemedicine, and digital medicine.
• Identify the benefits and challenges associated with the digital transformation of healthcare, including data management and privacy.
• Recognize the rapid growth and future potential of digital medical imaging and biomarkers.
• Appreciate the exponential increase in healthcare data and its implications for medical decision-making and software development.

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1.5 | US Healthcare Paradox: High Costs, Low Quality? Medical Software Course

Sat, 19 Sep 2026 06:02:30 -0000

Why is the US healthcare system so expensive, yet its quality lags behind other industrialized nations? In this lesson, we dive into the current landscape of US healthcare, examining its systemic challenges related to drastically increasing costs and surprisingly poor quality metrics, setting the stage for understanding the significant opportunities within this paradox.

🎯 Learning Objectives
• Understand the systemic challenges facing the US healthcare landscape.
• Analyze the drastic increase in US healthcare costs and how they compare to other industrialized nations.
• Identify key areas where healthcare spending is allocated in the US.
• Examine the paradox of high spending coupled with unexpectedly poor healthcare quality in the US, including medical error rates and infant mortality.

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11. Special and General Relativity (cont.)

Sat, 19 Sep 2026 06:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

The lecture begins with a comprehensive overview of the historical conditions under which Einstein developed his theories. Of particular impact were the urgent need at the turn of the 19th century to synchronize clocks around the world; Einstein's position at a patent office; and a series of experiments that he himself carried out. In 1905 Einstein published three papers that are still considered the greatest papers in the field of physics. The lecture then moves to General Relativity and how it encompasses Newton's laws of gravity. A visual demonstration shows how space-time undergoes curvature when mass is introduced. Class ends with a question-and-answer period on a variety of topics in Special Relativity.

00:00 - Chapter 1. Lessons from Einstein's Discovery of Relativity
13:27 - Chapter 2. General Relativity as a Theory on Gravity
21:30 - Chapter 3. Space-Time Curvature
25:45 - Chapter 4. Q&A on Special Relativity

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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15. Four-Vector in Relativity

Sat, 19 Sep 2026 06:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The discussion of four-vector in relativity continues but this time the focus is on the energy-momentum of a particle. The invariance of the energy-momentum four-vector is due to the fact that rest mass of a particle is invariant under coordinate transformations.

00:00 - Chapter 1. Recap: The Four-Vectors of Position, Velocity and Momentum in Space-Time
15:53 - Chapter 2. The Energy-Momentum Four-Vector
32:20 - Chapter 3. Relativistic Collisions
41:09 - Chapter 4. Law of Conservation of Energy and Momentum Using the Energy-Momentum Four-Vector

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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507 | How Daily Table Fights Food Deserts and Waste - Social Entrepreneurship Course

Sat, 19 Sep 2026 05:49:00 -0000

In this lesson, explore the inspiring case study of Doug Rauch's Daily Table, a social enterprise dedicated to solving urban food deserts. Discover how Daily Table combats food waste by recovering perfectly good food and providing affordable, healthy, and convenient meals, all while navigating challenges of branding, customer perception, and operational costs.

🎯 Learning Objectives
• Analyze the core problem addressed by Daily Table: food deserts and wasted food.
• Understand the critical role of customer empathy and iterative development in building a successful social enterprise.
• Recognize how branding and narrative, such as distinguishing "food waste" from "wasted food," impact public perception and business models.
• Identify key elements of a social enterprise's business model using concepts like SWOT analysis and the Business Canvas.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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804 | How Social Impact Funding Evolved: From Charity to Investment - Social Entrepreneurship Course

Sat, 19 Sep 2026 05:05:00 -0000

Have you ever wondered how funding for social change has transformed over the years? In this lesson, we explore the fascinating evolution of social financing, bridging the historical divide between non-profit and for-profit worlds. Discover how the rise of social entrepreneurship has led to new investment approaches like impact investing, and how traditional philanthropy has adapted to become more strategic and catalytic, yet the need for more patient capital persists.

🎯 Learning Objectives
• Understand the historical separation of non-profit and for-profit funding.
• Define and differentiate between various philanthropic approaches, including strategic, catalytic, and venture philanthropy.
• Explain impact investing, its unique characteristics, and how it differs from traditional philanthropy and socially responsible investing (SRI).
• Identify key organizations and resources that support and define the landscape of social impact funding.
• Recognize the ongoing challenge of the "missing middle" and the need for more patient capital in social entrepreneurship.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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Music and Social Action - Welcome to the Course

Sat, 19 Sep 2026 05:00:00 -0000

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22. Constitutional Crisis and Impeachment of a President

Sat, 19 Sep 2026 05:00:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight continues his discussion of the political history of Reconstruction. The central figure in the early phase of Reconstruction was President Andrew Johnson. Under Johnson's stewardship, southern whites held constitutional conventions throughout 1865, drafting new constitutions that outlawed slavery but changed little else. When the Republican-dominated U.S. Congress reassembled late in 1865, they put a stop to Johnson's leniency and inaugurated Radical (or Congressional) Reconstruction, a process that resulted in the immediate passage of the Civil Rights bill and the Fourteenth Amendment, and the eventual passage of four Reconstruction Acts. The Congressional elections in 1866 and Johnson's disastrous "Swing Around the Circle" speaking tour strengthened Radical control over Congress. Each step of the way, Johnson did everything he could to obstruct Congressional Reconstruction, setting the stage for his impeachment in 1868.

00:00 - Chapter 1. Introduction
01:56 - Chapter 2. Johnson's Limited Stance and Approach to Reconstruction
14:49 - Chapter 3. The Republican Congress's Radical Reconstruction
25:41 - Chapter 4. The Reconstruction Amendments: Civil Rights and Citizenship
43:06 - Chapter 5. Johnson's "Swing Around the Circle" and Impeachment

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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10. Rotations, Part II: Parallel Axis Theorem

Sat, 19 Sep 2026 04:07:30 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

Part II of Rotations. The lecture begins with an explanation of the Parallel Axis Theorem and how it is applied in problems concerning rotation of rigid bodies. The moment of inertia of a disk is discussed as a demonstration of the theorem. Angular momentum and angular velocity are examined in a variety of problems.

00:00 - Chapter 1. Review and Derive the Parallel Axis Theorem
16:27 - Chapter 2. For System of Masses: Derive KEtotal = ½ MV2 + ½ ICM2
27:55 - Chapter 3. Derive KEtotal in Terms of Equivalent Rotation about Stationary Point
38:40 - Chapter 4. Effect of Rotational Kinetic Energy on Translational Motion for No Skid
43:41 - Chapter 5. Example Problem: Torque on a Disk
49:30 - Chapter 6. Advanced Example Problem: Pulley Rotating and Translating
01:02:14 - Chapter 7. Example Problem: Systems with Angular Moment Conserved
01:09:09 - Chapter 8. Application: Angular Momentum Changes for Spinning Ballerina

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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Class 8: Capital Chapter 8: The Working Day

Sat, 19 Sep 2026 04:00:00 -0000

How do fights over the length of the working day affect the capital system? What is absolute surplus value?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

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Can changing yourself change the whole system? | Connected Leadership

Sat, 19 Sep 2026 04:00:00 -0000

Peter walks through the three pillars of Connected Leadership — getting more out of life, strengthening your leadership toolkit, and applying systems thinking — and previews the personalized, one-page toolkit you'll build along the way. He also sets the ground rules: embrace diversity, cut distractions, and find a buddy to learn alongside.

Key topics:
- The three course aims: self, team, and system
- The one-page leadership toolkit you'll build
- Ground rules: diversity, inclusion, single-screen focus, kindness
- Why a learning buddy multiplies the value of the course
- The scaffolding metaphor — Peter provides the structure, you build the life

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

12. The Sovereign State: Hobbes' Leviathan

Sat, 19 Sep 2026 03:10:00 -0000

Introduction to Political Philosophy (PLSC 114)

This is an introduction to the political views of Thomas Hobbes, which are often deemed paradoxical. On the one hand, Hobbes is a stern defender of political absolutism. The Hobbesian doctrine of sovereignty dictates complete monopoly of power within a given territory and over all institutions of civilian or ecclesiastical authority. On the other hand, Hobbes insists on the fundamental equality of human beings. He maintains that the state is a contract between individuals, that the sovereign owes his authority to the will of those he governs and is obliged to protect the interests of the governed by assuring civil peace and security. These ideas have been interpreted by some as indicative of liberal opposition to absolutism.

00:00 - Chapter 1. Introduction: Thomas Hobbes
07:28 - Chapter 2. Who Was Hobbes?
14:12 - Chapter 3. Comparing Hobbes to Machiavelli and Aristotle
25:26 - Chapter 4. Hobbes on Art, Science and Politics
33:55 - Chapter 5. Hobbes' "Great Question": What Makes Legitimate Authority Possible?
40:32 - Chapter 6. What Makes Hobbes' Story a Plausible Account of "The State of Nature"?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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Class 16: Capital Chapters 17-20: Wages; Chapters 21-24: Accumulation, Reproduction

Sat, 19 Sep 2026 03:00:00 -0000

In how many ways does the wage form deceive us? How does the accumulation process drive the system? What is simple reproduction?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

Learn more about your ad choices. Visit megaphone.fm/adchoices

Class 15: Chapter 15: Increase and Decrease in LP and SV and Chapters 17-20: Wages

Sat, 19 Sep 2026 03:00:00 -0000

How far can productivity be pushed to produce more surplus-value? How should we calculate the rate of exploitation of labor? What is a wage?

A chapter by chapter study of Marx’s powerful analysis in Capital: Critique of Political Economy, Volume 1. This book from 1872 is still the best guide to the predatory economic and social system within which we live. The book solves five basic mysteries in our social world. The mysteries are: why social classes struggle against one another, why human beings are in the thrall of things, how a quantity of money turns into more money without seeming to add anything, why some people are forced to work and the more they work the less they make proportional to their effort, and finally, and why it is so hard to transform the system for the better.

This course is taught by Paul North, Maurice Natanson Professor of German, Yale University. Prof. North is co-editor of the new English translation and critical edition of Capital Volume 1 by Karl Marx published in 2024 by Princeton University Press.
https://press.princeton.edu/books/hardcover/9780691190075/capital

To view other videos in this course, visit this link. https://youtube.com/playlist?list=PLh9mgdi4rNewd_0qe4c2lkzXZZQka_QnZ&si=CHOgjCcVD0K378kl

Learn more about your ad choices. Visit megaphone.fm/adchoices

21. Thermodynamics

Sat, 19 Sep 2026 02:12:30 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

This is the first of a series of lectures on thermodynamics. The discussion begins with understanding "temperature." Zeroth's law is introduced and explained. Concepts such as "absolute zero" and "triple point of water" are defined. Measuring temperature through a number of instruments is addressed as well as the different scales of measurement. The second half of the lecture is devoted to heat and heat transfer. Concepts such as "convection" and "conduction" are explained thoroughly.

00:00 - Chapter 1. Temperature as a Macroscopic Thermodynamic Property
06:45 - Chapter 2. Calibrating Temperature Instruments
22:25 - Chapter 3. Absolute Zero, Triple Point of Water, The Kelvin
28:55 - Chapter 4. Specific Heat and Other Thermal Properties of Materials
43:17 - Chapter 5. Phase Change
55:06 - Chapter 6. Heat Transfer by Radiation, Convection and Conduction
01:03:27 - Chapter 7. Heat as Atomic Kinetic Energy and its Measurement

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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3. Our Solar System and the Pluto Problem

Sat, 19 Sep 2026 02:00:00 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Class begins with a review of the first problem set. Newton's Third Law is applied in explaining how exoplanets are found. An overview of the Solar System is given; each planet is presented individually and its special features are highlighted. Astronomy is discussed as an observational science, and the subject of how to categorize objects in the Solar System is addressed. The Pluto controversy is given special attention and both sides of the argument regarding its status are considered.

00:00 - Chapter 1. Review of the Problem Set
06:22 - Chapter 2. Conservation of Momentum in Exoplanets
14:02 - Chapter 3. Inner and Outer Solar System Objects
29:47 - Chapter 4. Kuiper Belt Objects and Oort Cloud
35:13 - Chapter 5. Classification and Interpretation of Celestial Objects

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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Are you confusing what's urgent with what's important? | Connected Leadership

Sat, 19 Sep 2026 02:00:00 -0000

Go question by question through the purpose worksheet to understand why each prompt was posed and what insights you can draw from your answers. Useful for individual reflection and for comparing responses across a team.

Key topics:
- Anchoring purpose to your current position (1a)
- Using strengths as your inner pep talk (1b)
- Aligning long-horizon vision with daily life (2a)
- Separating urgent from important using 2b
- Reading your flow activities at work, play, and childhood (3a)
- Checking alignment between purpose and direction (3b)

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

22. The Boltzmann Constant and First Law of Thermodynamics

Sat, 19 Sep 2026 01:15:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

This lecture continues the topic of thermodynamics, exploring in greater detail what heat is, and how it is generated and measured. The Boltzmann Constant is introduced. The microscopic meaning of temperature is explained. The First Law of Thermodynamics is presented.

00:00 - Chapter 1. Recap of Heat Theory
11:54 - Chapter 2. The Boltzman Constant and Avogadro's Number
18:50 - Chapter 3. A Microscopic Definition of Temperature
30:15 - Chapter 4. Molecular Mechanics of Phase Change and the Maxwell-Boltzmann
46:49 - Chapter 5. Quasi-static Processes
50:19 - Chapter 6. Internal Energy and the First Law of Thermodynamics

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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Music and Social Action - Dewey

Sat, 19 Sep 2026 01:00:00 -0000

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1104 | Catalyst 2030: Rewriting the Rules of Social Impact - Social Entrepreneurship Course

Sat, 19 Sep 2026 01:00:00 -0000

Why are the Sustainable Development Goals projected to be achieved by 2082 instead of 2030? In this lesson, we explore Catalyst 2030, an innovative global 'extrapreneurship' network designed to accelerate progress towards the SDGs by addressing insufficient and fragmented funding. Discover how this unique, distributed organization, led by a chief facilitator and refusing traditional hierarchies, empowers social entrepreneurs worldwide to shift power dynamics, influence policy, and foster collective action through a collaborative, constellation-like structure.

🎯 Learning Objectives
• Understand the mission and 'extrapreneurship' approach of Catalyst 2030 in accelerating Sustainable Development Goals.
• Identify critical challenges in current social innovation funding and how Catalyst 2030 addresses them.
• Examine the unique, distributed 'constellation' structure and governance model of Catalyst 2030.
• Discover key strategies governments can employ to foster supportive ecosystems for social entrepreneurs.
• Appreciate the emphasis on shifting power dynamics and empowering grassroots voices in global social impact initiatives.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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Give Your Team a Purpose That Guides Real Decisions | Connected Leadership

Sat, 19 Sep 2026 00:17:30 -0000

A clear team purpose acts as a North Star that guides decisions, builds trust, and empowers distributed teams. This lesson walks through the strategy pyramid and offers practical guidance for crafting vision and mission statements that actually drive behavior.

Key topics:
- Why team purpose matters: direction, motivation, and coordination
- The role of shared values and the tension with diversity
- The strategy pyramid: vision, mission, values, and strategy
- Crafting concise, memorable vision and mission statements
- Researching real-world examples and reflecting on fit
- McKinsey data on the gap between mission and impact

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

22. Democratic Statecraft: Tocqueville's Democracy in America

Sat, 19 Sep 2026 00:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

Three main features that Tocqueville regarded as central to American democracy are discussed: the importance of local government, the concept of "civil association," and "the spirit of religion." The book is not simply a celebration of the democratic experience in America; Tocqueville is deeply worried about the potential of a democratic tyranny.

00:00 - Chapter 1. The Characteristics of American Democracy: Civil Association
10:50 - Chapter 2. The Characteristics of American Democracy: Spirit of Religion
25:47 - Chapter 3. Tyranny of the Majority

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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What happens when your purpose matches your team's? | Connected Leadership

Sat, 19 Sep 2026 00:00:00 -0000

When your personal purpose lines up with your organization's purpose, leadership becomes more authentic and energizing. This lesson shows how to map your individual purpose, values, and vision against a team or organization to find overlap and articulate how you want to lead.

Key topics:
- Connecting individual purpose to team or organizational purpose
- Bringing personal values and impact statements into the workbook
- The via.org personality survey as a self-discovery tool
- Side-by-side comparison of personal and organizational purpose
- Defining how you want to lead in the overlap area
- Integrating layers of self and team via the map analogy

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

17. Simple Harmonic Motion

Fri, 18 Sep 2026 23:20:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The focus of the lecture is simple harmonic motion. Professor Shankar gives several examples of physical systems, such as a mass M attached to a spring, and explains what happens when such systems are disturbed. Amplitude, frequency and period of simple harmonic motion are also defined in the course of the lecture. Several problems are solved in order to demonstrate various cases of oscillation.

00:00 - Chapter 1. Example Equations of Oscillating Objects
10:49 - Chapter 2. Superposition of Solutions to Linear (Harmonic) Equations
30:16 - Chapter 3. Conditions for Solutions to Harmonic Equations
38:57 - Chapter 4. Exponential Functions as Generic Solutions
50:48 - Chapter 5. Undamped, Under-damped and Over-damped Oscillations
01:00:28 - Chapter 6. Driving Harmonic Force on Oscillator

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Surface the Values Your Team Actually Cares About | Connected Leadership

Fri, 18 Sep 2026 23:00:00 -0000

Wrap up the discussion of vision and mission with suggested readings and a practical exercise for surfacing the values that matter most to your team. The flip-the-negative technique helps any group articulate the kind of culture they want to build.

Key topics:
- Suggested readings on vision, mission, and the strategy pyramid
- Toegel and Barsoux on team conflict and the role of values
- Reflecting on the worst teams you've worked on
- The flip-the-negative exercise to surface positive values
- Drawing from compiled values lists like Brene Brown's

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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The rocks analogy doesn't work for everyone. Here's what else might. | Connected Leadership

Fri, 18 Sep 2026 23:00:00 -0000

If the rocks-in-a-jar analogy doesn't land for you, here are alternatives that keep the same underlying insight. Explore sweet treats, a baby's mobile, a planted yard of oak trees, and packing a boat down a river to find an image that resonates.

Key topics:
- Preserving the three-to-five priority insight
- Sweet treats and candy as a softer analogy
- A baby's mobile with three to five arms
- An oak-tree yard with bushes and grass
- Packing a small boat down Dalio's river of time
- Using emotional power when you name your priorities

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

1. Course Introduction and Newtonian Mechanics

Fri, 18 Sep 2026 22:22:30 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

Professor Shankar introduces the course and answers student questions about the material and the requirements. He gives an overview of Newtonian mechanics and explains its two components: kinematics and dynamics. He then reviews basic concepts in calculus through two key equations: x = x0 + v0t + ½ at2 and v2 = v02+ 2 a (x-x0), tracing the fate of a particle in one dimension along the x-axis.

00:00 - Chapter 1. Introduction and Course Organization
21:25 - Chapter 2. Newtonian Mechanics: Dynamics and Kinematics
28:20 - Chapter 3. Average and Instantaneous Rate of Motion
37:56 - Chapter 4. Motion at Constant Acceleration
52:37 - Chapter 5. Example Problem: Physical Meaning of Equations
01:08:42 - Chapter 6. Derive New Relations Using Calculus Laws of Limits

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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16. The Taylor Series and Other Mathematical Concepts

Fri, 18 Sep 2026 22:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The lecture covers a number of mathematical concepts. The Taylor series is introduced and its properties discussed, supplemented by various examples. Complex numbers are explained in some detail, especially in their polar form. The lecture ends with a discussion of simple harmonic motion.

00:00 - Chapter 1. Derive Taylor Series of a Function, f as [Σ (0, ∞)fnxn/n!]
14:21 - Chapter 2. Examples of Functions with Invalid Taylor Series
17:30 - Chapter 3. Taylor Series for Popular Functions(cos x, ex,etc)
23:31 - Chapter 4. Derive Trigonometric Functions from Exponential Functions
31:41 - Chapter 5. Properties of Complex Numbers
42:40 - Chapter 6. Polar Form of Complex Numbers
50:04 - Chapter 7. Simple Harmonic Motions
01:03:07 - Chapter 8. Law of Conservation of Energy and Harmonic Motion Due to Torque

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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21. Democratic Statecraft: Tocqueville's Democracy in America

Fri, 18 Sep 2026 22:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

With the emergence of democracies in Europe and the New World at the beginning of the nineteenth century, political philosophers began to re-evaluate the relationship between freedom and equality. Tocqueville, in particular, saw the creation of new forms of social power that presented threats to human liberty. His most famous work, Democracy in America, was written for his French countrymen who were still devoted to the restoration of the monarchy and whom Tocqueville wanted to convince that the democratic social revolution he had witnessed in America was equally representative of France's future.

00:00 - Chapter 1. Tocqueville's Problem
08:36 - Chapter 2. Who Was Alexis de Tocqueville?
14:04 - Chapter 3. Democracy in America and the Letter to Kergolay
35:46 - Chapter 4. The CharacterIstics of American Democracy: Importance of Local Government

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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15. The Home Front

Fri, 18 Sep 2026 21:49:00 -0000

France Since 1871 (HIST 276)

1917 is a critical moment in World War I, as the Bolsheviks seize power in Russia and Woodrow Wilson leads the U.S. into war on the side of the Allied powers. Although morale held steady on the home front in France, there were multiple mutinies and strikes as the war progressed. These mutinies were not in favor of German victory; rather, they were in protest of corruption at home, in the form of incompetence and profiteering. Literary and historical records of World War I bear witness to the difficulty faced by soldiers in reentering civilian life after returning home.

00:00 - Chapter 1. Advice for the Midterm Exam
04:48 - Chapter 2. The Turning Point in 1917: The Russian Revolution and American Involvement
17:05 - Chapter 3. Social Tensions of War: Profiteers, Women and Refugees
24:19 - Chapter 4. Mutinies and Strikes: Popular Revolt on the Front and at Home
36:53 - Chapter 5. Ludendorff's Last Push: The German Offensive of 1918
41:30 - Chapter 6. The End at Last: The Human Cost of War

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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Become a Better Team Leader, Even If You're Not "The Leader" | Connected Leadership

Fri, 18 Sep 2026 21:25:00 -0000

Bringing your purpose-driven self into the teams you work with is the next step on the connected leadership journey. This introduction sets up how the framework applies at the team level and why team leadership is a learnable skill anyone can develop.

Key topics:
- Recap of the self module and the four Ps
- Applying the connected leadership framework to teams
- Why team skills matter even if you don't see yourself as a leader
- Roadmap: purpose, effectiveness tools, and lasting change
- Team leadership as a learnable skill

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

5. Nash equilibrium: bad fashion and bank runs

Fri, 18 Sep 2026 21:00:00 -0000

Game Theory (ECON 159)

We first define formally the new concept from last time: Nash equilibrium. Then we discuss why we might be interested in Nash equilibrium and how we might find Nash equilibrium in various games. As an example, we play a class investment game to illustrate that there can be many equilibria in social settings, and that societies can fail to coordinate at all or may coordinate on a bad equilibrium. We argue that coordination problems are common in the real world. Finally, we discuss why in such coordination problems--unlike in prisoners' dilemmas--simply communicating may be a remedy.

00:00 - Chapter 1. Nash Equilibrium: Definition
09:31 - Chapter 2. Nash Equilibrium: Examples
23:13 - Chapter 3. Nash Equilibrium: Relation to Dominance
31:53 - Chapter 4. Pareto Efficient Equilibria in Coordination Games: The Investment Game
53:11 - Chapter 5. Pareto Efficient Equilibria in Coordination Games: Other Examples

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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What bigger problem is your purpose already pointing to? | Connected Leadership

Fri, 18 Sep 2026 21:00:00 -0000

Your purpose, impact statement, and team strategy pyramid already hint at the system you care about. Use this exercise to surface a system you want to learn about or change, anchored in the personal why you've developed through the course.

Key topics:
- Revisiting the purpose worksheet for system clues
- Mining your impact statement for bigger ideas
- Vision and mission as system signals
- Choosing a system you care deeply about
- Purpose as the connective tissue across self, team, and system

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

23. The Second Law of Thermodynamics and Carnot's Engine

Fri, 18 Sep 2026 20:27:30 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

Why does a dropped egg that spatters on the floor not rise back to your hands even though no laws prohibit it? The answer to such irreversibility resides the Second Law of Thermodynamics which explained in this and the next lecture. The Carnot heat engine is discussed in detail to show how there is an upper limit to the efficiency of heat engines and how the concept of entropy arises from macroscopic considerations.

00:00 - Chapter 1. Recap of First Law of Thermodynamics and Macroscopic State Properties
13:22 - Chapter 2. Defining Specific Heats at Constant Pressure and Volume
26:01 - Chapter 3. Adiabatic Processes
43:57 - Chapter 4. The Second Law of Thermodynamics and the Concept of Entropy
59:02 - Chapter 5. The Carnot Engine

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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System Examples to Test Your Understanding | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 20:00:00 -0000

What separates a true system from a pile of parts? Walk through everyday examples like a car, a tree, and a rugby game to apply Donella Meadows' simple test for recognizing when something is a system rather than just stuff or silos.

Key topics:
- Quick review of what defines a system
- Cars and car parts: system versus collection
- Natural and human-made systems side by side
- Why a rugby game stays the same game with different players
- Meadows' four questions for identifying a system

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

23. Edward P. Jones, The Known World (cont.)

Fri, 18 Sep 2026 20:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this second lecture on The Known World, Professor Hungerford addresses Edward P. Jones's ambitious and ambivalent relation to literacy. Jones shows us the power of narrative to bring together the fragmentation of the world, but is at the same time deeply aware of the fragility of text, all of the ways it can be destroyed, misinterpreted, abused, or lost. The son of an illiterate mother, Jones--who, it seems, composed and memorized large portions of The Known World before setting anything down in print--models a form of literary self-consciousness infused with the moral dilemmas of slavery and freedom that is unique among contemporary novels.

00:00 - Chapter 1. Meditations on the Difficulty of Writing: The Right-to-Left Directionality of Creation
13:43 - Chapter 2. The Fragile Power of Text: Insubstantiality of Freedom
20:45 - Chapter 3. The Complicity of Creation
24:58 - Chapter 4. The Durability of Plastic Arts: Augustus's Carving and Alice's Weaving
33:32 - Chapter 5. Edward P. Jones's Authorial Project: Weaving Unity into the Fragmented Modern Narrative

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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13. Lorentz Transformation

Fri, 18 Sep 2026 19:30:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

This lecture offers detailed analysis of the Lorentz transformations which relate the coordinates of an event in two frames in relative motion. It is shown how length, time and simultaneity are relative.

00:00 - Chapter 1. Describing an Event with Two Observers
33:58 - Chapter 2. The Relativity of Simultaneity
41:57 - Chapter 3. Time Dilation
53:41 - Chapter 4. The Twin Paradox
01:00:02 - Chapter 5. Length Contraction

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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23. Democratic Statecraft: Tocqueville's Democracy in America

Fri, 18 Sep 2026 19:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

Professor Smith discusses the moral and psychological components of the democratic state in the context of Tocqueville's Democracy in America. He goes on to explore the institutional development of the democratic state, the qualities of the democratic individual, and the psychological determinants of the democratic character. The ethic of self-interest is addressed, understood as an antidote to an ethic of fame and glory. Finally, Tocqueville is presented as a political educator and his views on the role of statesmen in a democratic age are expounded.

00:00 - Chapter 1. Moral and Psychological Features of the Democratic State
04:32 - Chapter 2. Moral and Psychological Features of the Democratic State: Compassion
15:17 - Chapter 3. Moral and Psychological Features of the Democratic State: Anxiety
22:19 - Chapter 4. Moral and Psychological Features of the Democratic State: Self-Interest
33:44 - Chapter 5. Democratic Statecraft

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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System Purpose Through Iceberg and Inference | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 19:00:00 -0000

Why does your system exist, and what really drives it? Apply the ladder of inference and the iceberg model to climb above assumptions and descend below the surface events to reveal patterns, structures, and the deepest beliefs that shape your system.

Key topics:
- The ladder of inference and bringing other voices in
- The iceberg model: events, patterns, structure, mental models
- Mapping your system across the four iceberg layers
- A common cold example of going deeper
- Causal loops and the chicken-crossing-the-road system

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

3. Socratic Citizenship: Plato's Crito

Fri, 18 Sep 2026 18:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

In the Apology, Socrates proposes a new kind of citizenship in opposition to the traditional one that was based on the poetic conception of Homer. Socrates' is a philosophical citizenship, relying on one's own powers of independent reason and judgment. The Crito, a dialogue taking place in Socrates' prison cell, is about civil obedience, piety, and the duty of every citizen to respect and live by the laws of the community.

00:00 - Chapter 1. Was Socrates Guilty or Innocent?
02:22 - Chapter 2. The Socratic Citizen
09:39 - Chapter 3. Principled DIsobedience to the Law
24:07 - Chapter 4. Crito's Apology: "Companion Dialogue"
42:22 - Chapter 5. Applying Lessons from Fourth-Century Athens to Our World Today

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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24. Samson Agonistes (cont.)

Fri, 18 Sep 2026 18:00:00 -0000

Milton (ENGL 220)

In the final lecture of the course, the analysis of Samson Agonistes comes to a conclusion with an exploration of the poem's sexual imagery. Milton's choice of subject matter is puzzled over, as are the ethics of his tragic hero, particularly when compared to the heroes of Milton's previous epics. The poem is positioned as a means by which Milton ultimately resolves the poetic, religious, and career-related crises of his earlier poem, "The Passion," and the compelling relationship between the corpus and the poet's biography is revisited one final time.

00:00 - Chapter 1. Introduction
02:07 - Chapter 2. Why Did Milton Choose Samson for the Subject of his Final Work?
35:32 - Chapter 3. Final Thoughts on Milton

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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7. Kepler's Laws

Fri, 18 Sep 2026 17:32:30 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The focus of the lecture is problems of gravitational interaction. The three laws of Kepler are stated and explained. Planetary motion is discussed in general, and how this motion applies to the planets moving around the Sun in particular.

00:00 - Chapter 1. Review of Conservative and Non-conservative Forces
09:19 - Chapter 2. Kepler's 3 Laws
20:16 - Chapter 3. Deriving the Nature of Gravitational Force
35:57 - Chapter 4. Derive Orbital Period (T) and Speed (v) in Space
49:47 - Chapter 5. Law of Conservation of Energy Far from Earth Surface
57:37 - Chapter 6. Reference Potential Energy at Infinity or Earth Surface

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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2. Vectors in Multiple Dimensions

Fri, 18 Sep 2026 17:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

In this lecture, Professor Shankar discusses motion in more than one dimension. Vectors are introduced and discussed in multiple dimensions. Vector magnitude and direction are also explained. Null vectors, minus vectors, unit and velocity vectors are discussed along with their properties. Finally, several specific problems are solved to demonstrate how vectors can be added, and problems of projectile motion are expounded.

00:00 - Chapter 1. Review of Motion at Constant Acceleration
04:45 - Chapter 2. Vector Motion 2D Space: Properties
22:57 - Chapter 3. Choice of Basis Axis and Vector Transformation
38:20 - Chapter 4. Velocity Vectors: Derivatives of Displacement Vectors
43:40 - Chapter 5. Derivatives of Vectors: Application to Circular Motion
54:00 - Chapter 6. Projectile Motion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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13. The Sovereign State: Hobbes' Leviathan

Fri, 18 Sep 2026 17:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

Hobbes' most famous metaphor, that of "the state of nature," is explained. It can be understood as the condition of human life in the absence of authority or anyone to impose rules, laws, and order. The concept of the individual is also discussed on Hobbesian terms, according to which the fundamental characteristics of the human beings are the capacity to exercise will and the ability to choose. Hobbes, as a moralist, concludes that the laws of nature, or "precepts of reason," forbid us from doing anything destructive in life.

00:00 - Chapter 1. Hobbes on Individuality
09:49 - Chapter 2. Hobbes' Skeptical View of Knowledge
14:11 - Chapter 3. The State of Nature
23:14 - Chapter 4. Pride and Fear: Passions that Dominate Human Nature
29:09 - Chapter 5. The Laws of Nature

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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22. Repeated games: cheating, punishment, and outsourcing

Fri, 18 Sep 2026 16:35:00 -0000

Game Theory (ECON 159)

In business or personal relationships, promises and threats of good and bad behavior tomorrow may provide good incentives for good behavior today, but, to work, these promises and threats must be credible. In particular, they must come from equilibrium behavior tomorrow, and hence form part of a subgame perfect equilibrium today. We find that the grim strategy forms such an equilibrium provided that we are patient and the game has a high probability of continuing. We discuss what this means for the personal relationships of seniors in the class. Then we discuss less draconian punishments, and find there is a trade off between the severity of punishments and the required probability that relationships will endure. We apply this idea to a moral-hazard problem that arises with outsourcing, and find that the high wage premiums found in foreign sectors of emerging markets may be reduced as these relationships become more stable.

00:00 - Chapter 1. Repeated Interaction: The Grim Trigger Strategy in the Prisoner's Dilemma (Continued)
29:21 - Chapter 2. The Grim Trigger Strategy: Generalization and Real World Examples
37:56 - Chapter 3. Cooperation in Repeated Interactions: The "One Period Punishment" Strategy
53:09 - Chapter 4. Cooperation in Repeated Interactions: Repeated Moral Hazard
01:13:53 - Chapter 5. Cooperation in Repeated Interactions: Conclusions

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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Introduction to Systems and Systems Thinking | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 16:00:00 -0000

Discover how the four Ps of connected leadership scale from self and team to the wider systems that shape our lives. This introduction defines what a system is, why systems thinking matters, and how it equips you to tackle problems too complex for simple linear fixes.

Key topics:
- Applying the four Ps at the system level
- Defining a system as interacting elements with a shared purpose
- Examples of community, industry, explicit, and implicit systems
- Why systems thinking matters for tackling big challenges
- Humility, leverage, and the power of small changes over time

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

What do you lose all track of time doing? | Connected Leadership

Fri, 18 Sep 2026 16:00:00 -0000

Work through the first P of the framework by using the purpose worksheet to question and confirm what matters most. Reflect on the fork in the road, your long and short horizons, your moments of flow, and the bigger why behind it all.

Key topics:
- Identifying your current fork in the road
- Long-term and short-term horizons for your future
- Csikszentmihalyi's flow at work, play, and in childhood
- Naming the big why behind your one wild and precious life
- Condensing answers into a single impact statement

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

What does a Rubik's Cube teach us about leadership? | Connected Leadership

Fri, 18 Sep 2026 15:37:30 -0000

A reflective close to the Connected Leadership journey, revisiting the four Ps (purpose, priorities, potential, progress) plus perseverance across self, team, and system. Through Christiana Figueres's stubborn optimism and a memorable Rubik's Cube analogy, this final lesson sends you off with scaffolding to keep building your leadership.

Key topics:
- Recap of the four Ps across self, team, and system
- Perseverance and stubborn optimism for wicked problems
- Confident, curious humility and learning from others
- Memorable images and frameworks from the course
- The Rubik's Cube analogy for self, team, and system layers
- Closing gratitude and the next step in your leadership journey

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

Win Over the People Who Can Make or Break Your Work | Connected Leadership

Fri, 18 Sep 2026 15:00:00 -0000

A stakeholder 2x2 helps you plan how to engage the people and organizations around your work. This lesson maps influence against support and shows what to do with champions, blockers, fans, and naysayers.

Key topics:
- Mapping stakeholders by influence and support
- Strategy for influential blockers in the top left
- Jobs to do for influential champions in the top right
- Two-way communication with lower-influence fans
- Why you may be worrying too much about naysayers
- Watching for marginalized voices that deserve more weight

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

Why does it never feel like you set your own priorities? | Connected Leadership

Fri, 18 Sep 2026 15:00:00 -0000

Why does it never feel like you get to set your own priorities? Explore the imbalance between fixed time and exploding demands on attention, then learn Stephen Covey's rocks, pebbles, and sand analogy for fitting what matters most into your jar.

Key topics:
- The fixed supply of quality attention
- Growing demand: population, devices, always-on culture
- How rising influence amplifies time pressure
- Covey's rocks, pebbles, and sand analogy
- Putting your biggest priorities in the jar first

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

19. Democracy and Participation: Rousseau's Discourse

Fri, 18 Sep 2026 14:40:00 -0000

Introduction to Political Philosophy (PLSC 114)

The discussion on the origins of inequality in the Second Discourse continues. This lecture focuses on amour-propre, a faculty or a disposition that is related to a range of psychological characteristics such as pride, vanity, and conceit. The Social Contract is subsequently discussed with an emphasis on the concept of freedom and how one's desire to preserve one's freedom is often in conflict with that of others to protect and defend their own. General will becomes Rousseau's solution to the problem of securing individual liberty.

00:00 - Chapter 1. "Amour-Propre": The Most Durable Cause of Inequality
20:15 - Chapter 2. Civilization and Its DIscontents
32:06 - Chapter 3. The Social Contract

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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Self-Awareness and the Johari Window | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 14:00:00 -0000

The Johari window is a classic 2x2 that helps leaders expand their open and free area while shrinking blind spots and masks. This lesson explains the four quadrants and how to use the model to grow emotional intelligence in yourself and your team.

Key topics:
- The Johari window: arena, mask, blind spot, and unknown
- Expanding the open and free area appropriately
- Reducing your mask to build trust and shared norms
- Narrowing blind spots through feedback and assessments
- Cultural considerations in self-disclosure
- Sketching your own arena and your team's

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

Why your brain can only hold 3 to 5 priorities | Connected Leadership

Fri, 18 Sep 2026 14:00:00 -0000

Go deeper on the rocks that should fill your jar by tying them to purpose, naming them with care, and limiting your list to a memorable three to five. Includes the research behind the magic number and a personal example for crafting a vivid rock name.

Key topics:
- Linking rocks to your sense of purpose
- Rocks as arenas of time, not targets
- Naming rocks with powerful nouns and adjectives
- Why three to five priorities fit working memory
- Elaborating what's inside each rock
- Comparing rocks with a buddy

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

601 | Why Measuring Outcomes is Crucial for Social Change - Social Entrepreneurship Course

Fri, 18 Sep 2026 13:49:00 -0000

In this module, you'll delve into the fundamental importance of measuring outcomes in social entrepreneurship. Learn why it's vital to define success early on and continuously track your progress for both internal evaluation and transparent communication with stakeholders, understanding the nuanced difference between outcomes and the commonly used term 'impact'.

🎯 Learning Objectives
• Understand the critical role of measuring outcomes in social entrepreneurship.
• Identify the internal and external reasons for defining and tracking success metrics.
• Differentiate between the technical terms "outcomes" and "impact" in social change measurement.
• Recognize that measuring outcomes should be an inherent, integrated part of your venture from its inception.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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Faculty Spotlight: Elizabeth Doyle | Yale School of Nursing Continuing Education Online

Fri, 18 Sep 2026 13:42:30 -0000

Meet Elizabeth Doyle of the Yale School of Nursing. 👋

Through Yale School of Nursing Continuing Education Online, healthcare professionals can access flexible, evidence-based learning designed to help them stay current with the latest advances in diabetes care.

Insulin Therapy and Type 2 Diabetes Pharmacology are now available, with additional modules coming soon.

Learn more at https://bit.ly/4xKkGjD

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Module 2 | Erik Clemons on Building Trust and Bridging Divides – Social Entrepreneurship Interview

Fri, 18 Sep 2026 13:00:00 -0000

In this interview, social entrepreneur Erik Clemons shares his profound insights on identifying and researching societal challenges, emphasizing the critical role of self-interrogation and deep listening to diverse community voices. He discusses how his impactful work, including the redevelopment of Dixwell Plaza, stems from transforming initial research into authentic relationships, enabling him to credibly bridge socio-economic divides and drive meaningful community development. Clemons offers invaluable lessons on the power of personal connection and trust in leading social change. Parnell and Clemons' conversation provides a foundational understanding for aspiring social entrepreneurs.

🎯 Learning Objectives
• Understand the initial steps of identifying and researching societal challenges.
• Explore how personal introspection and understanding your role contribute to effective social entrepreneurship.
• Learn the importance of listening to diverse perspectives to uncover root causes and build bridges.
• Discover how research translates into authentic relationships crucial for community development.
• Recognize the significance of building trust and leading with personal integrity in social impact initiatives.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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24. Making It Work for Real People: The Democratization of Finance

Fri, 18 Sep 2026 13:00:00 -0000

Financial Markets (ECON 252)

Professor Shiller, in his final lecture, reviews some of the most important tools for individual risk management. Significant inequality in domestic and international communities has created a need for social insurance programs, such as those created in Germany in the late 1800s. The tax system, bankruptcy laws, and government insurance programs are used to manage risk of personal wealth. However, each of these inventions must take account of psychological factors, such as moral hazard, in order to be effective without eliminating incentives to participate in the workforce, or other negative side effects. With regard to careers, including those in finance, young people should frame decisions with morality and purpose in mind, and with a broad perspective of both.

00:00 - Chapter 1. Sources of Financial Inequality
10:24 - Chapter 2. A Call for Social Insurance: The Government's Role in Risk Management
25:50 - Chapter 3. Social Security in the United States
34:32 - Chapter 4. Bankruptcy as a Risk Management Device
50:30 - Chapter 5. Balancing Morality and Psychology: Career Advice for Young Adults

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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10. Mixed strategies in baseball, dating and paying your taxes

Fri, 18 Sep 2026 12:45:00 -0000

Game Theory (ECON 159)

We develop three different interpretations of mixed strategies in various contexts: sport, anti-terrorism strategy, dating, paying taxes and auditing taxpayers. One interpretation is that people literally randomize over their choices. Another is that your mixed strategy represents my belief about what you might do. A third is that the mixed strategy represents the proportions of people playing each pure strategy. Then we discuss some implications of the mixed equilibrium in games; in particular, we look how the equilibrium changes in the tax-compliance/auditor game as we increase the penalty for cheating on your taxes.

00:00 - Chapter 1. Mixed Strategy Equilibria: Example (Continued)
12:49 - Chapter 2. Mixed Strategy Equilibria: Other Examples in Sports
23:41 - Chapter 3. Mixed Strategy Equilibria Interpretation 1: Literal Randomization
28:17 - Chapter 4. Mixed Strategy Equilibria Interpretation 2: Players' Beliefs about Each Other's Actions
47:04 - Chapter 5. Mixed Strategy Equilibria Interpretation 3: Prediction of Split on Two or More Courses of Action in a Large Population
59:52 - Chapter 6. Mixed Strategy Equilibria: Policy Applications

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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2. Socratic Citizenship: Plato's Apology

Fri, 18 Sep 2026 12:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

The lecture begins with an explanation of why Plato's Apology is the best introductory text to the study of political philosophy. The focus remains on the Apology as a symbol for the violation of free expression, with Socrates justifying his way of life as a philosopher and defending the utility of philosophy for political life.

00:00 - Chapter 1. Introduction: Plato, Apology
09:31 - Chapter 2. Political Context of the Dialogue
19:19 - Chapter 3. Accusations Leveled Against Socrates
27:51 - Chapter 4. Clouds: Debunking Socrates' New Model of Citizenship
33:31 - Chapter 5. The Famous Socratic "Turn"; Socrates' Second Sailing

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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17. Cormac McCarthy, Blood Meridian

Fri, 18 Sep 2026 12:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this first of two lectures on Blood Meridian, Professor Hungerford walks us through some of the novel's major sources and influences, showing how McCarthy engages both literary tradition and American history, and indeed questions of origins and originality itself. The Bible, Moby-Dick, Paradise Lost, the poetry of William Wordsworth, and the historical narrative of Sam Chamberlain all contribute to the style and themes of this work that remains, in its own right, a provocative meditation on history, one that explores the very limits of narrative and human potential.

00:00 - Chapter 1. The Literary Tradition: Allusions and Revisions
08:49 - Chapter 2. Eradicating Interiority: "Moby Dick"
20:50 - Chapter 3. Modeling Evil: "Paradise Lost"
30:13 - Chapter 4: Rejecting Innocence: Wordsworth
34:59 - Chapter 5. Historical Sources: Samuel Chamberlin's "My Confession"

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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1. Introductions

Fri, 18 Sep 2026 11:47:30 -0000

The American Novel Since 1945 (ENGL 291)

In this first lecture Professor Hungerford introduces the course's academic requirements and some of its central concerns. She uses a magazine advertisement for James Joyce's Ulysses and an essay by Vladimir Nabokov (author of Lolita, a novel on the syllabus) to establish opposing points of view about what is required to be a competent reader of literature. The contrast between popular emotional appeal and detached artistic judgment frames literary debates from the Modernist, and through the post-45 period. In the second half of lecture, Hungerford shows how the controversies surrounding the publication of Richard Wright's Black Boy highlight the questions of truth, memory, and autobiography that will continue to resurface throughout the course.

00:00 - Chapter 1. Introduction: Major Themes
08:07 - Chapter 2. Course Requirements
13:43 - Chapter 3. How To Read: On Joyce and Nabokov
29:30 - Chapter 4. Introduction to Richard Wright's "Black Boy": Autobiography and Editorial Influence
43:58 - Chapter 5. Conclusions: "Black Boy" and Major Course Themes

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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13. The Athenian Empire

Fri, 18 Sep 2026 11:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan traces the development and the power of the Persian empire. He also shows how the Persian empire and the Greek world eventually came into conflict through a few incidents concerning Ionian Greeks in Asia Minor, which eventually turned into the Persian Wars. Professor Kagan ends this lecture with a description of the events of the battle of Marathon in which the Athenians defeated the Persians.

00:00 - Chapter 1. The Rise of the Persian Empire
15:07 - Chapter 2. Clashes with the Persian Empire
32:40 - Chapter 3. The Beginning of the Persian Wars
37:37 - Chapter 4. Further Developments Leading to the War with Persia
49:47 - Chapter 5. The Battle of Marathon

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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Real World System Change Examples and Takeaways | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 11:00:00 -0000

See systems thinking in action through Peter Boyd's work on Carbon War Room shipping efficiency, net-zero definitions, and tropical deforestation. Each story shows how to find leverage points, go deep on the iceberg, and turn wicked problems into actionable plans.

Key topics:
- Carbon War Room and clean shipping at gigaton scale
- Information, demand, and finance as leverage points
- A current and desired iceberg for the shipping industry
- Defining cumulative, science-based net-zero
- Reframing tropical deforestation with rainforest nations
- Engaging skeptical leaders through fresh framings

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

24. In Defense of Politics

Fri, 18 Sep 2026 10:50:00 -0000

Introduction to Political Philosophy (PLSC 114)

This final lecture of the course is given "in defense of politics." First, the idea and definition of "politics" and the "political" are discussed with reference to the ideas of Immanuel Kant and twentieth-century political scientists, novelists, and philosophers such as Bernard Crick, E. M. Forster, and Carl Schmitt. Patriotism, nationalism, and cosmopolitanism are also addressed as integral parts of political life. Finally, the role of educators--and "old books"--is discussed as essential to developing a proper understanding of the political.

00:00 - Chapter 1. Bernard Crick: "In Defense of Politics"
03:55 - Chapter 2. E. M. Forster: PatriotIsm and Loyalty
07:29 - Chapter 3. Carl Schmitt and Aristotle: Patriotism and Loyalty
12:24 - Chapter 4. Immanuel Kant: Transpolitical Cosmopolitanism
16:17 - Chapter 5. Schmitt vs. Kant: NationalIsm vs. Cosmopolitanism
25:45 - Chapter 6. Ethos of the American Regime
33:05 - Chapter 7. Where Should the Study of Political Science Be Today? Who Should Educate the Educators?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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11. New Modes and Orders: Machiavelli's The Prince (chaps. 13-26)

Fri, 18 Sep 2026 10:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

The discussion of Machiavelli's politics continues in the context of his most famous work, The Prince. A reformer of the moral Christian and classical concepts of goodness and evil, Machiavelli proposes his own definitions of virtue and vice, replacing the vocabulary associated with Plato and the biblical sources. He relates virtue, or virtu, to manliness, force, ambition and the desire to achieve success at all costs. Fortune, or fortuna, is a woman, that must be conquered through policies of force, brutality, and audacity. The problem of "dirty hands" in political and philosophical literature is discussed in detail.

00:00 - Chapter 1. Introduction and Class Agenda
04:09 - Chapter 2. "Discourses on Livy"
10:30 - Chapter 3. The Problem of "Dirty Hands"
22:50 - Chapter 4. Was Machiavelli a Machiavellian?
36:19 - Chapter 5. What Did Machiavelli Achieve?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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19. Philip Roth, The Human Stain

Fri, 18 Sep 2026 10:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this lecture on The Human Stain, Professor Hungerford traces the ways that Roth's novel conforms to and pushes beyond the genre she calls the Identity Plot. Exploring the various ways that race can be construed as category, mark, biology, or performance, the novel ultimately construes the defining characteristic of its protagonist's race to be its very concealment. Secrecy is, for Roth, the source of identity and the driving force behind desire and narrative.

00:00 - Chapter 1. Roth's Mundane Modern Context: Historical Markers of the 1990s
05:59 - Chapter 2. Roth's Identity Plot: The Performance of the Self
16:36 - Chapter 3. Classification as Definition
21:25 - Chapter 4. The Body as Sign: Moments of Irreducible Otherness
27:18 - Chapter 5. Speech and Secrecy: Locating Identity in the Interval
41:31 - Chapter 6. Desire and Difference

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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6.2 | Uncovering Real Needs: From User Voice to Stakeholders in Medical Software Course

Fri, 18 Sep 2026 09:52:30 -0000

How do you truly understand what your medical software users need? In this lesson, we continue our deep dive into identifying user needs, emphasizing the critical distinction between the engineer's perspective and the customer's actual requirements. We explore practical strategies for engaging with users, from conducting effective initial meetings to asking the right questions that uncover both known and unknown challenges. Learn to look beyond superficial requests to diagnose the true underlying problems and consider all relevant stakeholders to ensure your solution addresses the complete picture.

🎯 Learning Objectives
• Differentiate between the voice of the engineer and the voice of the customer in software development.
• Implement strategies for effective initial user meetings, focusing on understanding backgrounds and project interests.
• Employ techniques to uncover unknown user needs, such as asking open-ended questions and restating problems.
• Analyze the true nature of a problem by considering factors like quality, affordability, and user skill.
• Broaden the definition of a "user" to include all relevant stakeholders and their unique requirements.

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Why pen and paper beats typing for real reflection | Connected Leadership

Fri, 18 Sep 2026 09:00:00 -0000

Peter walks you through the course's visual navigation cues, the color-coded module map, and the companion workbook. He also explains why a pen in hand beats typing and how to set yourself up to revisit and refresh your responses long after the course ends.

Key topics:
- Visual navigation cues: self, team, and system levels
- Color symbolism for the 4 Ps — red, green, blue, purple
- Workbook formats: slides, print, PDF — and why pen-in-hand wins
- The 12 subsections that span the three modules
- Returning to refresh your responses over time
- Heraclitus on standing in the same river twice

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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Class 1 - Steve Girvin: Introduction to Classical and Quantum Errors Corrections

Fri, 18 Sep 2026 09:00:00 -0000

This video is the live capture of the Yale Quantum Institute Course on Quantum Error Correction, held at the Yale University in July 2025, in partnership with NC A&T.

This short course will provide viewers strong foundation on Quantum Error Detection & Quantum Error Correction. Viewers are encouraged to take an introduction to quantum information science before viewing this content.

Thank you to the Yale ASCEND Initiative for making this short course possible.

And for more information on everything quantum at Yale, visit quantuminstitute.yale.edu

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806 | Stay Grounded: Organize Your Social Enterprise Resources - Social Entrepreneurship Course

Fri, 18 Sep 2026 08:55:00 -0000

In this lesson, discover essential advice for social entrepreneurs navigating the often-overwhelming world of funders and incubators. Learn to stay grounded in your core mission, avoid the trap of entrepreneurial hype, and strategically organize information about financial and non-financial resources to ensure wise decision-making at every stage of your social enterprise journey.

🎯 Learning Objectives
• Understand the importance of aligning with funders and supporters who share your social mission.
• Learn how to create a "resource dashboard" to organize potential support by development stage.
• Identify key categories of information to track for each resource, such as expertise and funding.
• Recognize the strategic benefit of knowing when to approach prospective funders and supporters.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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9. Jack Kerouac, On the Road (cont.)

Fri, 18 Sep 2026 08:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this second lecture on On The Road, Professor Hungerford addresses some of the obstacles and failures to the novel's high ambitions for achieving American community through an immediacy of communication. Sal Paradise's desire to cross racial boundaries, for example, seems ultimately more exploitative than expansive; Dean's exuberant language of "Yes!" and "Wow!" devolves into meaningless gibberish. And yet the novel's mystical vision of something called "America" persists, a cultural icon that continues to engage the interest of readers, scholars, and artists. Among these latter is the digital art collaborative Young-Hae Chang Heavy Industries, with whose online work DAKOTA Hungerford concludes the class.

00:00 - Chapter 1. Kerouac's Mythical America: Trans-historical Communities
22:03 - Chapter 2. Defining American Identity: Sal's Illusory Vision of Mystical Oneness
30:01 - Chapter 3. Dean and Sal, Again: The Theme of Sadness
41:12 - Chapter 4. The Publication History: Creating a Literary Object

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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11. Slavery and State Rights, Economies and Ways of Life: What Caused the Civil War?

Fri, 18 Sep 2026 08:00:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight begins this lecture with an attempt to answer the question "why did the South secede in 1861?" Blight offers five possible answers to this question: preservation of slavery, "the fear thesis," southern nationalism, the "agrarian thesis," and the "honor thesis." After laying out the roots of secession, Blight focuses on the historical profession, suggesting some of the ways in which historians have attempted to explain the coming of the Civil War. Blight begins with James Ford Rhodes, a highly influential amateur historian in the late 19th century, and then introduces Charles and Mary Beard, whose economic interpretations of the Civil War had their heyday in the 1920s and 1930s.

00:00 - Chapter 1. Introduction: Jefferson Davis's Defense of Secession
08:24 - Chapter 2. Fear? Southern Unity? Why Did the South Seceded
20:46 - Chapter 3. Agrarian Society? Honor? Why the South Seceded, Continued
34:19 - Chapter 4. Historiography of the Civil War, from Rhodes to Beard
48:36 - Chapter 5. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Creating Lasting Change at the System Level | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 07:57:30 -0000

How do you keep system change from fizzling out? Walk through the four Ps applied to systems and learn why the most meaningful change often happens at the intersections between sectors, groups, and cultures rather than deep inside any one of them.

Key topics:
- Asking why at every layer of the system
- Priorities, causal loops, and leverage
- Visualizing intended and unintended consequences
- Working across sectors and at the intersections
- Staying curious, humble, and connected

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

24. The Second Law of Thermodynamics (cont.) and Entropy

Fri, 18 Sep 2026 07:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

The focus of the lecture is the concept of entropy. Specific examples are given to calculate the entropy change for a number of different processes. Boltzmann's microscopic formula for entropy is introduced and used to explain irreversibility.

00:00 - Chapter 1. Review of the Carnot Engine
19:18 - Chapter 2. Calculating the Entropy Change
35:34 - Chapter 3. The Second Law of Thermodynamics as a Function of Entropy
43:46 - Chapter 4. The Microscopic Basis of Entropy

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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Writing Your System Problem Statement | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 07:00:00 -0000

A sharp problem statement turns a sprawling cause into something you can actually act on. Learn how to scope a system that's big enough to matter but small enough to influence, with examples from community solar and an electric utility.

Key topics:
- Naming your system and sizing the scope
- Drafting and iterating your problem statement
- Substituting definitions to find what you really mean
- A community solar example
- An electric utility's path from "lights on" to consumer trust

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

6.1 | Unlocking Medical Software Success: Mastering User Needs and Reqmnts | Medical Software Course

Fri, 18 Sep 2026 07:00:00 -0000

Ever wonder how vague user ideas transform into robust medical software? In this lesson, we dive into the critical first steps of the medical software lifecycle: identifying user needs and defining system requirements. Learn how to translate abstract user wishes into concrete specifications, understand the tension between 'what' and 'how' with the Brown Cow Model, and navigate crucial considerations like clinical context, patient demographics, and effective collaboration with medical professionals.

🎯 Learning Objectives
• Explain the significance of user needs and system requirements in the medical software lifecycle.
• Describe the process of translating abstract user wishes into concrete software specifications.
• Understand the "what" versus "how" dilemma in design and the Brown Cow Model.
• Identify key information to gather regarding clinical problems, current practices, and patient demographics.
• Develop effective communication strategies for collaborating with clinicians.

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Why you should write goals as if you've already achieved them | Connected Leadership

Fri, 18 Sep 2026 06:02:30 -0000

Move into the third P by picturing what success looks like a year from now for each of your rocks. Learn how to write testable, past-tense statements with both quantitative and qualitative detail so you can toast the wins when they arrive.

Key topics:
- Setting a meaningful one-year horizon
- Writing testable statements in the past tense
- Stretching without overreaching
- Adding numbers to personal goals
- Using descriptive qualitative detail
- Crafting potential statements for each rock

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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5.4 | Navigating the Medical Software Life Cycle: A Complete Guide - Medical Software Course

Fri, 18 Sep 2026 06:00:00 -0000

In this lesson, we embark on a comprehensive guided tour of the medical software life cycle process. This segment provides a simplified yet essential recipe for medical software design and management, from initial user needs identification and system requirements to software design, construction, verification, and validation. We also cover critical post-development phases like deployment, maintenance, and retirement, emphasizing the continuous integration of risk management and cybersecurity analysis at every step.

🎯 Learning Objectives
• Outline the key phases of the medical software life cycle, from user needs to retirement.
• Explain the role of user needs identification and prototyping in the initial phase.
• Describe the critical components and purpose of the System Requirement Specification and Software Design Document.
• Differentiate between software verification and validation and their importance.
• Understand the continuous integration of risk management and cybersecurity throughout the software development process.

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7. The Mixed Regime and the Rule of Law: Aristotle's Politics, I, III

Fri, 18 Sep 2026 06:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

The lecture begins with an introduction of Aristotle's life and works which constitute thematic treatises on virtually every topic, from biology to ethics to politics. Emphasis is placed on the Politics, in which Aristotle expounds his view on the naturalness of the city and his claim that man is a political animal by nature.

00:00 - Chapter 1. Aristotle: Plato's Adopted Son
12:45 - Chapter 2. Man Is, by Nature, the Political Animal
30:15 - Chapter 3. The Naturalness of Slavery

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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19. To Appomattox and Beyond: The End of the War and a Search for Meanings

Fri, 18 Sep 2026 05:49:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight uses Herman Melville's poem "On the Slain Collegians" to introduce the horrifying slaughter of 1864. The architect of the strategy that would eventually lead to Union victory, but at a staggering human cost, was Ulysses S. Grant, brought East to assume control of all Union armies in 1864. Professor Blight narrates the campaigns of 1864, including the Battles of the Wilderness, Spotsylvania, and Cold Harbor, and the siege of Petersburg. While Robert E. Lee battled Grant to a stalemate in Virginia, however, William Tecumseh Sherman's Union forces took Atlanta before beginning their March to the Sea, destroying Confederate morale and fighting power from the inside. Professor Blight closes his lecture with a description of the first Memorial Day, celebrated by African Americans in Charleston, SC 1865.

00:00 - Chapter 1. Introduction: Melville's "On the Slain Collegians"
05:21 - Chapter 2. Grant's Strategic Changes from the West to the East
13:26 - Chapter 3. The Psyche of Robert E. Lee
19:17 - Chapter 4. Wilderness, Cold Harbor, Crater: Grant and Lee in 1864
33:21 - Chapter 5. Sherman's March to the Sea
42:23 - Chapter 6. The Beginning of Memorial Day and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Class 2 - Yongshan Ding: Quantum Codes, Stabilizers, and Computation

Fri, 18 Sep 2026 05:05:00 -0000

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Team Priorities, Potential, and Progress | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 05:00:00 -0000

Take the four Ps from the self level and apply them at the team level to build a complete connected strategy. This lesson covers how to identify team rocks, scope your group's potential, and use the strategy pyramid to spot gaps and overlaps in responsibility.

Key topics:
- Translating self rocks into at-work and team priorities
- Considering your boss's or organization's rocks
- Defining team potential and progress
- Filling in the strategy pyramid from the outside in
- Using one page to surface dysfunction and duplication
- Shared spreadsheets and templates for team tracking

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

3. Newton's Laws of Motion

Fri, 18 Sep 2026 05:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

This lecture introduces Newton's Laws of Motion. The First Law on inertia states that every object will remain in a state of rest or uniform motion in a straight line unless acted upon by an external force. The Second Law (F = ma) relates the cause (the force F) to the acceleration. Several different forces are discussed in the context of this law. The lecture ends with the Third Law which states that action and reaction are equal and opposite.

00:00 - Chapter 1. Review of Vectors
09:29 - Chapter 2. Introduction to Newton's Laws of Motion, 1st Law and Inertial Frames
19:51 - Chapter 3. Second Law and Measurements as conventions
37:13 - Chapter 4. Nature of Forces and Their Relationship to Second Law
50:50 - Chapter 5. Newton's Third Law
01:03:15 - Chapter 6. Weightlessness

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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System Priorities and Leverage Points | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 04:07:30 -0000

Where can a small shift produce big change? This video translates Jay Forrester and Donella Meadows' insights on leverage into a practical seesaw model so you can choose the right level to push, from surface events to underlying beliefs.

Key topics:
- Forrester's quote on leverage and small shifts
- The seesaw model linking iceberg layers to leverage
- Why mental models offer the most leverage
- Meadows' league table of system change levels
- Identifying three to five rocks of system change

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

19. Waves

Fri, 18 Sep 2026 04:00:00 -0000

For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu.

Fundamentals of Physics (PHYS 200)

Waves are discussed in further detail. Basic properties of the waves such as velocity, energy, intensity, and frequency are discussed through a variety of examples. The second half of the lecture deals specifically with superposition of waves. Constructive and destructive interferences are defined and discussed.

00:00 - Chapter 1. General Solution of Wave Equation
08:51 - Chapter 2. Spatial and Temporal Periodicity: Frequency, Period
17:39 - Chapter 3. Wave Energy and Power Transmitted
30:02 - Chapter 4. Doppler Effect
38:58 - Chapter 5. Superposition of Waves
48:57 - Chapter 6. Constructive and Destructive Interference, Double Slit Experiment
01:01:30 - Chapter 7. Modes of Vibration: Application to Musical Instruments

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2006.

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Can AI help you change the world? | Creating Change Through Social Entrepreneurship

Fri, 18 Sep 2026 04:00:00 -0000

Yale's Teresa Chahine on how AI is reshaping social entrepreneurship, joined by two founders building real ventures with it.

Teresa Chahine reflects on how her thinking has shifted over eight years at Yale: away from the solo "hero entrepreneur" and toward collective action, social movements, and indigenous wisdom.

She's then joined by Bhavya Chauhan, founder of HAVN, and Belabbes Benkredda, who is building a venture focused on the health of public spheres. Bhavya shares how she used vibe coding with Cursor and Claude to build and test an MVP, and how HAVN moved from prototype to piloting. Belabbes lays out his theory of a "fourth wave" of AI-driven public spheres. Both founders weigh the promise and the risks of AI, and return to one idea: technology should strengthen human relationships, not replace them.

Chapters:
00:00 How social entrepreneurship has evolved
08:36 Meet the founders: Bhavya Chauhan and Belabbes Benkredda
10:06 The promise of AI for founders
15:13 The fourth wave of public spheres
21:04 The idea behind HAVN
23:35 What is vibe coding? (Cursor and Claude)
27:33 From MVP to piloting
33:05 Why AI should strengthen human ties

What you'll learn:
- How social entrepreneurship is moving from solo founders to collective action and movements
- Why indigenous wisdom and non-extractive models matter for social innovation
- How non-technical founders use vibe coding with Cursor and Claude to build an MVP
- How HAVN went from prototype to stakeholder testing and piloting
- Why AI should strengthen human relationships, not replace them

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4. Philosophers and Kings: Plato's Republic, I-II

Fri, 18 Sep 2026 03:10:00 -0000

Introduction to Political Philosophy (PLSC 114)

Lecture 4 introduces Plato's Republic and its many meanings in the context of moral psychology, justice, the power of poetry and myth, and metaphysics. The Republic is also discussed as a utopia, presenting an extreme vision of a polis--Kallipolis--Plato's ideal city.

00:00 - Chapter 1. Introduction
03:04 - Chapter 2. What Is Plato's "Republic" About?
17:38 - Chapter 3. I Went Down to the Piraeus
22:05 - Chapter 4. The Seventh Letter
30:00 - Chapter 5. Analyzing the Beginning of "Republic" and the Hierarchy of Characters
38:13 - Chapter 6. Cephalus

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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Let Your Long-Term Vision Drive Your Daily To-Dos | Connected Leadership

Fri, 18 Sep 2026 03:00:00 -0000

Bring purpose, priorities, and potential together on a single progress worksheet that maps your life to one page. Learn how to score where you stand today and let your long-term view, not your inbox, drive your short-term to-do list.

Key topics:
- Anchoring the page with your impact statement
- Listing rocks alongside their potential statements
- Scoring progress on a simple 1-4 scale
- Setting a short-term focus window in days or weeks
- Writing the to-do list last, not first
- Letting long-term vision drive daily tasks

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

Systems Thinking Fundamentals and Wicked Problems | Connected Leadership with Peter Boyd

Fri, 18 Sep 2026 03:00:00 -0000

Most problems worth solving are wicked: complex, changing, conflict-prone, and connected. This video introduces the four Cs of wicked problems and shows how systems thinking, drawing on indigenous and traditional wisdom, gives you the tools to face them.

Key topics:
- Why most problems worth solving are wicked
- The four Cs: complex, change, conflict-prone, connected
- Systems thinking principles you already know
- Traditional sayings as systems thinking insights
- Relational systems thinking and indigenous knowledge

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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Manage Your Energy, Not Just Your Time | Connected Leadership

Fri, 18 Sep 2026 02:12:30 -0000

With your life on one page, learn practical strategies to turn that plan into how you actually spend your day. Covers managing energy alongside time, handling other people's pebbles, switching from inbox to calendar, and reclaiming attention from the sand.

Key topics:
- Choosing productivity tools that already fit you
- Loehr and Schwartz on managing energy, not just time
- Replacing "in a few weeks" with a real date
- Calendar over inbox for deep work
- Converting tech from attention hijacker to enabler
- A two-by-two for staying out of the red zones

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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805 | Essential Non-Financial Support for Social Entrepreneurs - Social Entrepreneurship Course

Fri, 18 Sep 2026 02:00:00 -0000

Entrepreneurship can be a challenging journey, but you don't have to navigate it alone. In this lesson, we delve into the crucial non-financial forms of support that can help social entrepreneurs thrive, from building your community to accessing expert guidance and strategic advice.

🎯 Learning Objectives
• Identify various non-financial support structures for social entrepreneurs, including co-working spaces, incubators, and accelerators.
• Differentiate between the distinct roles and benefits of coaches and mentors.
• Understand the strategic value of forming an advisory committee for your venture.
• Discover key avenues for networking and finding a supportive community in the social entrepreneurship ecosystem.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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Why the same management style fails half your team | Connected Leadership

Fri, 18 Sep 2026 02:00:00 -0000

The skill versus will 2x2 helps you diagnose where each team member sits and choose the right leadership response. This lesson walks through all four quadrants and the actions that move people toward empowered, high-performing work.

Key topics:
- Mapping team members on skill vs. will
- Empowering the high skill, high will quadrant
- Encouraging the high skill, low will quadrant
- Training the high will, low skill quadrant
- Moving people out of the low will, low skill box
- Using the matrix as a table for team development

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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21. The Struggle for Hegemony in Fourth-Century Greece

Fri, 18 Sep 2026 01:15:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan describes the aftermath of the Peloponnesian War and how the Spartans began to dominate other Greek poleis, instead of liberating them. The Spartan general Lysander at this point not only grows in influence and power, but also follows an aggressive plan to establish pro-Spartan, oligarchical governments. However, according to Professor Kagan, this fact angered many cities. Therefore, Thrasybulus, along with the help of other poleis, resisted Spartan rule. Eventually he opposed Sparta at Phyle and in time reestablished the democracy of Athens.

00:00 - Chapter 1. Spartan Power After the War
16:16 - Chapter 2. Lysander and His Tyrannical Policies
27:03 - Chapter 3. Resistance to Spartan Rule; Critias
39:11 - Chapter 4. The Thirty Oligarch
47:08 - Chapter 5. Thrasybulus Opposes Sparta and Democracy Is Restored
01:04:11 - Chapter 6. Features of Restored Democracy

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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14. The Athenian Empire (cont.)

Fri, 18 Sep 2026 01:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Donald Kagan examines the developments that took place after the Greek victory over the Persians in 479 BC. He argues that even after the Greek victories, there was great fear amongst the Greeks that the Persians would return to seek revenge. For this reason, many of the Greek poleis, especially the islands, looked to Athens to lead this league, which later became the Delian League. Athens, according to Professor Kagan, accepted this responsibility, since it too feared a Persian invasion, but Sparta was content to retreat into the Peloponesus. Finally, Professor Kagan intimates that this league would eventually turn into the Athenian empire.

00:00 - Chapter 1. Consequences of Greek Victory over the Persians
21:21 - Chapter 2. The Athenian-Spartan Alliance and Pan-hellenism
29:52 - Chapter 3. Athens as an Independent Player
37:05 - Chapter 4. Resentment in Sparta
46:37 - Chapter 5. Understanding the Formation of the Delian League
01:06:20 - Chapter 6. The Rise of the Athenian Empire

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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1. Introduction: What is Political Philosophy?

Fri, 18 Sep 2026 01:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

Professor Smith discusses the nature and scope of "political philosophy." The oldest of the social sciences, the study of political philosophy must begin with the works of Plato and Aristotle, and examine in depth the fundamental concepts and categories of the study of politics. The questions "which regimes are best?" and "what constitutes good citizenship?" are posed and discussed in the context of Plato's Apology.

00:00 - Chapter 1. What Is Political Philosophy?
12:16 - Chapter 2. What Is a Regime?
22:19 - Chapter 3. Who Is a Statesman? What Is a Statesman?
27:22 - Chapter 4. What Is the Best Regime?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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10. New Modes and Orders: Machiavelli's The Prince (chaps. 1-12)

Fri, 18 Sep 2026 00:17:30 -0000

Introduction to Political Philosophy (PLSC 114)

The lecture begins with an introduction of Machiavelli's life and the political scene in Renaissance Florence. Professor Smith asserts that Machiavelli can be credited as the founder of the modern state, having reconfigured elements from both the Christian empire and the Roman republic, creating therefore a new form of political organization that is distinctly his own. Machiavelli's state has universalist ambitions, just like its predecessors, but it has been liberated from Christian and classical conceptions of virtue. The management of affairs is left to the princes, a new kind of political leaders, endowed with ambition, love of glory, and even elements of prophetic authority.

00:00 - Chapter 1. Introduction: Video of "The Third Man"
02:20 - Chapter 2. Introduction: Who Was Machiavelli?
15:33 - Chapter 3. "The Prince": Title and Dedication of the Book
21:52 - Chapter 4. The Distinction between Armed and Unarmed Prophets
26:10 - Chapter 5. Good and Evil, Virtue and Vice

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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15. Constitutional Government: Locke's Second Treatise (1-5)

Fri, 18 Sep 2026 00:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

John Locke had such a profound influence on Thomas Jefferson that he may be deemed an honorary founding father of the United States. He advocated the natural equality of human beings, their natural rights to life, liberty, and property, and defined legitimate government in terms that Jefferson would later use in the Declaration of Independence. Locke's life and works are discussed, and the lecture shows how he transformed ideas previously formulated by Machiavelli and Hobbes into a more liberal constitutional theory of the state.

00:00 - Chapter 1. Who Is John Locke?
13:11 - Chapter 2. John Locke's Theory of Natural Law
31:27 - Chapter 3. Property, Labor and the Theory of Natural Law

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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7.3 | How to Design Medical Software: IGNS Project Case Study Medical Software Course

Thu, 17 Sep 2026 23:20:00 -0000

Ever wondered what goes into designing complex medical software? This lesson provides a comprehensive look at the software design for an Image-Guided Neurosurgery (IGNS) project. We'll dissect key elements such as system requirements, critical data workflows like image-to-world registration, and the crucial integration of risk management steps to ensure patient safety and system accuracy. We'll also explore a high-level system architecture and user interface considerations for such applications.

🎯 Learning Objectives
• Understand the core components of software design for an Image-Guided Neurosurgery (IGNS) project.
• Differentiate between functional and non-functional requirements in medical software development.
• Analyze the step-by-step process of image-to-world registration and its significance in navigation.
• Recognize the crucial role of risk management and user confirmation in critical medical software workflows.
• Identify the typical architecture of a medical navigation software system, including its main packages and modules.

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23. Black Reconstruction in the South: The Freedpeople and the Economics of Land and Labor

Thu, 17 Sep 2026 23:00:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight begins this lecture in Washington, where the passage of the first Reconstruction Act by Congressional Republicans radically altered the direction of Reconstruction. The Act invalidated the reconstituted Southern legislatures, establishing five military districts in the South and insisting upon black suffrage as a condition to readmission. The eventful year 1868 saw the impeachment of one president (Andrew Johnson) and the election of another (Ulysses S. Grant). Meanwhile, southern African Americans struggle to reap the promises of freedom in the face of economic disempowerment and a committed campaign of white supremacist violence.

00:00 - Chapter 1. Introduction
04:20 - Chapter 2. Implications of the Four Reconstruction Acts
10:49 - Chapter 3. The Impeachment Process for Andrew Johnson
27:50 - Chapter 4. The Election of Grant in 1868 and the Advent of the Ku Klux Klan
47:40 - Chapter 5. The Second Reconstruction's Impact on Freed Slaves and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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5.5 | Stop the 'Telephone Game': Perfecting Information Transmission in Medical Software Course

Thu, 17 Sep 2026 22:22:30 -0000

Have you ever played the 'telephone game' and seen how easily information can get distorted? In medical software development, such miscommunication can be catastrophic. This lesson delves into the critical processes and strategies necessary to ensure accurate and complete information transmission across all stages of software creation, from initial user needs to final code, preventing costly errors and ensuring regulatory compliance.

🎯 Learning Objectives
• Identify common pitfalls leading to information loss in software development processes.
• Explain the importance of providing context ("the why") in addition to specific requirements.
• Define "sufficient statistics" and its application in effectively summarizing information for subsequent development stages.
• Understand the concept of traceability and its critical role in medical software development, linking user needs to code and testing.

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11. Evolutionary stability: cooperation, mutation, and equilibrium

Thu, 17 Sep 2026 22:00:00 -0000

Game Theory (ECON 159)

We discuss evolution and game theory, and introduce the concept of evolutionary stability. We ask what kinds of strategies are evolutionarily stable, and how this idea from biology relates to concepts from economics like domination and Nash equilibrium. The informal argument relating these ideas toward at the end of his lecture contains a notation error [U(Ŝ,S') should be U(S',Ŝ)]. A more formal argument is provided in the supplemental notes.

00:00 - Chapter 1. Game Theory and Evolution: Evolutionarily Stable Strategies - Example
25:40 - Chapter 2. Game Theory and Evolution: Evolutionarily Stable Strategies - Discussion
30:42 - Chapter 3. Game Theory and Evolution: Evolutionarily Stable Strategies Are Always Nash Equilibria
42:32 - Chapter 4. Game Theory and Evolution: Nash Equilibria Are Not Always Evolutionarily Stable Strategies
01:03:00 - Chapter 5. Game Theory and Evolution: Evolutionarily Stable Strategies and Nash Equilibria - Discussion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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602 | Why 'Reach' Isn't Enough: Measuring True Impact and Change - Social Entrepreneurship Course

Thu, 17 Sep 2026 21:49:00 -0000

In this lesson, we explore the critical field of outcome metrics in social change, challenging the common misconception that large numbers of people reached equate to significant social impact. We delve into how to think beyond mere reach, discussing more profound ways to measure success and introducing Ashoka's four levels of change, from direct service to transformative systems and framework shifts.

🎯 Learning Objectives
• Understand the limitations of "reach" as a primary social impact metric.
• Identify and differentiate Ashoka's four levels of social change: direct service, scaled direct service, systems change, and framework change.
• Explain how to measure and pursue higher-level, transformative social impact beyond just the number of people served.
• Recognize the need to educate funders on comprehensive social impact measurement that goes beyond quantitative reach.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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6.3 | What Do Surgeons REALLY Need? User Needs for Medical Software Course

Thu, 17 Sep 2026 21:25:00 -0000

Have you ever wondered what goes into designing groundbreaking medical software? In this lesson, we take a concrete look at identifying user needs for an image-guided neurosurgery solution, set in the context of epilepsy surgery in 1999. We explore the critical challenges and 'pain points' surgeons faced before modern technology, illustrating why understanding these needs is paramount for developing effective medical software.

🎯 Learning Objectives
• Understand the process of identifying user needs in medical software development.
• Analyze a case study of image-guided neurosurgery for epilepsy, imagining the surgical challenges of 1999.
• Identify specific 'pain points' and difficulties faced by surgeons prior to modern image guidance.
• Envision how a medical software solution could address these challenges and improve surgical outcomes.

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6.6 | Unlocking Precision: SRS for Image-Guided Neurosurgery (IGNS) Medical Software Course

Thu, 17 Sep 2026 21:00:00 -0000

In this lesson, we delve into the System Requirement Specification (SRS) for our Image-Guided Neurosurgery (IGNS) project, outlining the critical steps to define software needs. We explore how to translate user requirements, like precise surgical tool tracking and planning, into clear functional and non-functional specifications, all while prioritizing patient safety through rigorous risk analysis and control measures.

🎯 Learning Objectives
• Understand the purpose and components of a System Requirement Specification (SRS).
• Identify user usage scenarios and their role in defining software requirements for medical devices.
• Learn how to conduct an initial risk analysis and implement risk control measurements in SRS.
• Differentiate between functional and non-functional requirements in medical software development.
• Explain the importance of incorporating safety, security, and regulatory standards into SRS.

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26. Review for Final Exam

Thu, 17 Sep 2026 20:27:30 -0000

The American Novel Since 1945 (ENGL 291)

In this review session for the final exam, Professor Hungerford fields practice questions in an open forum so that students know what will be expected of their performance. She offers study advice from her own experience, and gratifies students' curiosity about some of her own preferences and reservations regarding choices for the syllabus.

00:00 - Chapter 1. Exam Review
03:41 - Chapter 2. ID Questions
06:40 - Chapter 3. Passage Identification
22:31 - Chapter 4. Constructing Exam Essays
35:11 - Chapter 5. Student Questions

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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21. Repeated games: cooperation vs. the end game

Thu, 17 Sep 2026 20:00:00 -0000

Game Theory (ECON 159)

We discuss repeated games, aiming to unpack the intuition that the promise of rewards and the threat of punishment in the future of a relationship can provide incentives for good behavior today. In class, we play prisoners' dilemma twice and three times, but this fails to sustain cooperation. The problem is that, in the last stage, since there is then is future, there is no incentive to cooperate, and hence the incentives unravel from the back. We related this to the real-world problems of a lame duck leader and of maintaining incentives for those close to retirement. But it is possible to sustain good behavior in early stages of some repeated games (even if they are only played a few times) provided the stage games have two or more equilibria to be used as rewards and punishments. This may require us to play bad equilibria tomorrow. We relate this to the trade off between ex ante and ex post efficiency in the law. Finally, we play a game in which the players do not know when the game will end, and we start to consider strategies for this potentially infinitely repeated game.

00:00 - Chapter 1. Repeated Interaction: Cooperation versus Defection in the Prisoner's Dilemma
16:40 - Chapter 2. Repeated Interaction: The Breakdown of Cooperation and The Lame Duck Effect
22:44 - Chapter 3. Repeated Interaction: Renegotiation
48:31 - Chapter 4. Failure of Renegotiation: Bankruptcy Laws
53:17 - Chapter 5. Repeated Interaction: The Grim Trigger Strategy

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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14. The Sovereign State: Hobbes' Leviathan

Thu, 17 Sep 2026 19:30:00 -0000

Introduction to Political Philosophy (PLSC 114)

The concept of sovereignty is discussed in Hobbesian terms. For Hobbes, "the sovereign" is an office rather than a person, and can be characterized by what we have come to associate with executive power and executive authority. Hobbes' theories of laws are also addressed and the distinction he makes between "just laws" and "good laws." The lecture ends with a discussion of Hobbes' ideas in the context of the modern state.

00:00 - Chapter 1. Introduction: Hobbes' Theory of Sovereignty
06:00 - Chapter 2. The Doctrine of Legal PositivIsm: The Law Is What the Sovereign Commands
23:14 - Chapter 3. Hobbesian Liberalism
32:10 - Chapter 4. Hobbes and the Modern State

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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20. Democracy and Participation: Rousseau's Social Contract, I-II

Thu, 17 Sep 2026 19:00:00 -0000

Introduction to Political Philosophy (PLSC 114)

The concept of "general will" is considered Rousseau's most important contribution to political science. It is presented as the answer to the gravest problems of civilization, namely, the problems of inequality, amour-propre, and general discontent. The social contract is the foundation of the general will and the answer to the problem of natural freedom, because nature itself provides no guidelines for determining who should rule. The lecture ends with Rousseau's legacy and the influence he exercised on later nineteenth-century writers and philosophers.

00:00 - Chapter 1. Introduction: Social Contract and the General Will
25:04 - Chapter 2. Applications of the General Will
30:54 - Chapter 3. The Legacies of Rousseau

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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2.2 | Master FDA Quality System Regulation and Design Controls | Medical Software Course

Thu, 17 Sep 2026 18:00:00 -0000

In this lesson, we take a deep dive into the FDA's Quality System Regulation (CFR 820), a foundational document for medical device development. Discover why understanding its definitions and requirements is crucial, especially the critical role of design controls in ensuring compliance and safety for medical software, and how this regulation shapes the entire development process from design to documentation.

🎯 Learning Objectives
• Understand the core purpose and scope of the FDA's Quality System Regulation (CFR 820).
• Grasp the concept of design controls and their application in medical software development.
• Distinguish between 'verification' and 'validation' and their roles in design processes.
• Learn about key documentation requirements, including design input, design output, and the design history file.
• Recognize the emphasis on formal documentation and procedures ("if it wasn't documented, it never happened").

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System Stakeholders and the Power Matrix | Connected Leadership with Peter Boyd

Thu, 17 Sep 2026 17:32:30 -0000

Bring the stakeholder matrix back, this time at the system level. Learn to map influential champions, concerned skeptics, fans, and historically overlooked groups so your strategies engage the right people without missing the voices that should be heard.

Key topics:
- Revisiting the stakeholder two-by-two for systems
- Engaging high-influence champions and concerns
- Avoiding overinvestment in naysayers
- Surfacing historically overlooked groups
- Power-over versus power-with thinking

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

Visualizing System Potential With Two Icebergs | Connected Leadership with Peter Boyd

Thu, 17 Sep 2026 17:00:00 -0000

What would your system look like if it actually worked the way you want it to? Build a second iceberg for your desired reality and bridge it to the current one with the leverage points that will turn vision into change.

Key topics:
- Current reality iceberg recap
- Sketching a desired reality iceberg
- Imagining new events, trends, and beliefs
- Bridging icebergs with leverage points
- Getting the whole picture onto one page

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

Learn more about your ad choices. Visit megaphone.fm/adchoices

14. Guest Lecture by Andrew Redleaf

Thu, 17 Sep 2026 16:35:00 -0000

Financial Markets (ECON 252)

Andrew Redleaf, a Yale graduate and manager of Whitebox Advisors, a hedge fund, discusses his experience with financial markets. He addresses one of the fundamental questions in finance--whether or not markets are efficient--and concludes that although they don't seem to be efficient, beating the market is very difficult. Mr. Redleaf discusses his thoughts about psychological barriers that make markets inefficient. He also comments on his beliefs regarding risk management and how people are compensated for mitigating risks, rather than for taking on risk as is often perceived. He ends by answering several questions from students.

00:00 - Chapter 1. The Markets Are Not Efficient
10:15 - Chapter 2. Psychological Factors of Market Inefficiency
25:57 - Chapter 3. Rewards Are for Risk-Mitigating, Not Risk-Taking
33:14 - Chapter 4. Issues in the Current U.S. and Global Economies
43:41 - Chapter 5. Questions: Cash and Bonds as Default Investments
01:04:35 - Chapter 6. Speculating on Backdated Options

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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8.5 | Essential Medical Software Verification and Testing Strategies | Medical Software Course

Thu, 17 Sep 2026 16:00:00 -0000

In this lesson, we explore the crucial regulatory guidance for medical software verification and testing, examining its profound implications for risk management. You'll learn how to develop a comprehensive testing plan, covering everything from initial unit tests to real-world interoperability and even user satisfaction, ensuring your medical software meets the highest standards of safety and effectiveness.

🎯 Learning Objectives
• Summarize regulatory guidance for medical software verification and testing.
• Explain how risk classification influences medical software testing requirements.
• Distinguish between unit, integration, and system testing stages for medical software.
• Discuss the importance of real-world, interoperability, and user delight testing.
• Outline key elements for developing a comprehensive medical software testing plan.

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8.3 | Software Testing Essentials: Finding Bugs and Ensuring Quality in Medical Software Course

Thu, 17 Sep 2026 15:37:30 -0000

Ever wondered how critical medical software is rigorously checked for errors? In this lesson, we delve into the fundamental principles of software testing, exploring its distinction from validation and why finding bugs is a continuous, essential process. We'll examine various testing methodologies from unit-level code scrutiny to comprehensive system checks, specifically considering the unique challenges and requirements within the medical domain.

🎯 Learning Objectives
• Differentiate software testing from validation and verification.
• Explain the purpose and limitations of software testing.
• Compare and contrast white box and black box testing methodologies.
• Describe the different levels of software testing, including unit, integration, and system testing.
• Discuss strategies for effective testing, such as reducing complexity and utilizing interactive user testing.

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Module 3 | Adrienne Abbate On Engaging the Community for Impact - Social Entrepreneurship Interview

Thu, 17 Sep 2026 15:00:00 -0000

In this compelling conversation, Adrienne Abbate, Executive Director of the Staten Island Partnership for Community Wellness (SIPCW), shares invaluable insights on the crucial role of communication and diverse partnerships in driving social impact. She discusses SIPCW's approach to engaging a wide range of stakeholders, from community leaders to directly impacted youth, to effectively address complex public health challenges like substance use and mental health.

🎯 Learning Objectives
• Understand the importance of engaging diverse stakeholders, including both “grass tops” and “grassroots” members, in social impact initiatives.
• Learn how organizations leverage data and community conversations to identify needs, adapt strategies, and ensure equitable outcomes.
• Explore the role of a backbone organization in fostering cross-sectoral partnerships and collective impact.
• Recognize the value of continuous learning and adapting strategies based on community feedback and data analysis.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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9. The Mixed Regime and the Rule of Law: Aristotle's Politics, VII

Thu, 17 Sep 2026 14:40:00 -0000

Introduction to Political Philosophy (PLSC 114)

This final lecture on Aristotle focuses on controlling conflict between factions. Polity as a mixture of the principles of oligarchy and democracy, is the regime that, according to Aristotle, can most successfully control factions and avoid dominance by either extreme. Professor Smith asserts that the idea of the polity anticipates Madison's call for a government in which powers are separated and kept in check and balance, avoiding therefore the extremes of both tyranny and civil war.

00:00 - Chapter 1. Polity: The Regime that Most Successfully Controls for Faction
07:30 - Chapter 2. The Importance of Property and Commerce for a Flourishing Republic
12:28 - Chapter 3. The Aristocratic Republic: A Model for the Best Regime
26:50 - Chapter 4. What Is Aristotle's Political Science?
35:21 - Chapter 5. Who Is a Statesman?
37:54 - Chapter 6. The Method of Aristotle's Political Science

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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6.4 | Mastering the SRS: Your Medical Software Project's Blueprint | Medical Software Course

Thu, 17 Sep 2026 14:00:00 -0000

Have you ever wondered what bridges the gap between abstract user needs and the concrete design of a medical software system? In this lesson, we delve into the Systems Requirement Specification (SRS), the master document that transforms informal discoveries into structured, actionable requirements, serving as the foundational blueprint for your entire medical software project.

🎯 Learning Objectives
• Define the Systems Requirement Specification (SRS) and its critical role in the software development lifecycle.
• Explain how the SRS acts as a bridge, translating abstract user needs into concrete system requirements.
• Identify the various downstream project documents that rely on the SRS as their primary input.
• Discuss the dual considerations of patient safety/clinical factors and technology aspects in medical software SRS.
• Understand the importance of comprehensive stakeholder involvement in the SRS development process.

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19. Resistance

Thu, 17 Sep 2026 13:49:00 -0000

France Since 1871 (HIST 276)

If the extent of French collaboration during World War II has been obscured, so too has the nature of resistance. Although the communist Left represented the core of the resistance movement, resistors came from any different backgrounds, including in their ranks Catholics, Protestants, Jews and socialists. Unlike the relationship between de-Christianization and right-wing politics, in the case of the resistance there is no clear correlation between regional locations and cells of resistors. It has been argued that the definition of resistance itself should be broadened to include the many acts of passive resistance carried out by French civilians during the occupation.

00:00 - Chapter 1. Jews in Vichy France
10:35 - Chapter 2. Mitterrand's Confession
13:01 - Chapter 3. The Resistance: Roots in the Existing Communist Organization
24:40 - Chapter 4. Religious Resistance Movements: The Jewish Underground and the Protestant Adoptions
30:18 - Chapter 5. Defining Resistance: Mapping the Grey Areas
39:04 - Chapter 6. Regional Resistance? The Lack of Geographic Determinism

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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23. Asymmetric information: silence, signaling and suffering education

Thu, 17 Sep 2026 13:42:30 -0000

Game Theory (ECON 159)

We look at two settings with asymmetric information; one side of a game knows something that the other side does not. We should always interpret attempts to communicate or signal such information taking into account the incentives of the person doing the signaling. In the first setting, information is verifiable. Here, the failure explicitly to reveal information can be informative, and hence verifiable information tends to come out even when you don't want it to. We consider examples of such information unraveling. Then we move to unverifiable information. Here, it is hard to convey such information even if you want to. Nevertheless, differentially costly signals can sometimes provide incentives for agents with different information to distinguish themselves. In particular, we consider how the education system can allow future workers to signal their abilities. We discuss some implications of this rather pessimistic view of education.

00:00 - Chapter 1. Asymmetric Information: Signaling and Information Unraveling
16:48 - Chapter 2. Information Unraveling: Examples
35:07 - Chapter 3. Signaling: Good and Bad Workers
59:36 - Chapter 4. Signaling: Conclusions

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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24. Asymmetric information: auctions and the winner's curse

Thu, 17 Sep 2026 13:00:00 -0000

Game Theory (ECON 159)

We discuss auctions. We first distinguish two extremes: common values and private values. We hold a common value auction in class and discover the winner's curse, the winner tends to overpay. We discuss why this occurs and how to avoid it: you should bid as if you knew that your bid would win; that is, as if you knew your initial estimate of the common value was the highest. This leads you to bid much below your initial estimate. Then we discuss four forms of auction: first-price sealed-bid, second-price sealed-bid, open ascending, and open descending auctions. We discuss bidding strategies in each auction form for the case when values are private. Finally, we start to discuss which auction forms generate higher revenues for the seller, but a proper analysis of this will have to await the next course.

00:00 - Chapter 1. Auctions: Common versus Private Values
08:16 - Chapter 2. Auctions: Winner's Curse in the First-Price Sealed-Bid Auction
42:38 - Chapter 3. Auctions: Other Types of Auction
58:35 - Chapter 4. Auctions: Revenue Generation in Different Types of Auctions

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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2. The Dark Ages

Thu, 17 Sep 2026 12:45:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Donald Kagan explores the earliest history of Greek civilization. He demonstrates how small agricultural enclaves eventually turned into great cities of power and wealth in the Bronze Age, taking as his examples first Minoan Crete and then Mycenaean Greece. He also argues that these civilizations were closely related to the great monarchies of the ancient Near East. He points out that the Mycenaean age eventually came to an abrupt end probably through a process of warfare and migration. Reconstructing the Mycenaean age is possible through archaeological evidence and through epic poetry (Homer). Finally, he provides an account of the collapse of the Mycenaean world, and explains how in its aftermath, the Greeks were poised to start their civilization over on a new slate.

00:00 - Chapter 1. The Minoan Civilization
08:58 - Chapter 2. Mycenaean Language and Writing
16:07 - Chapter 3. The Citadel, Farmland, Burials and the Oil Trade
26:29 - Chapter 4. Cultural Unity, Agriculture, Religious Authority
33:41 - Chapter 5. Society and Economy
39:05 - Chapter 6. Theories about the Fall of the Mycenaean World
56:52 - Chapter 7. Results of the Fall

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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11. The Miltonic Smile

Thu, 17 Sep 2026 12:00:00 -0000

Milton (ENGL 220)

Milton's characteristic use of simile is explored in Books One and Two of Paradise Lost. Particular attention is paid to how Milton's similes work to support, undermine, and complicate both the depiction of Satan and the broader thematic concerns of the poem, such as the ideas of free will and divine providence. The critical perspectives of Geoffrey Hartman and Stanley Fish are incorporated into an analysis of Satan's shield and spear and the simile of the leaves.

00:00 - Chapter 1. Introduction: Similes in "Paradise Lost"
03:36 - Chapter 2. Similes in "Paradise Lost": Satan's Shield Compared to the Moon
17:05 - Chapter 3. Similes in "Paradise Lost": Satan's Spear Compared to the Mast of a Ship
22:38 - Chapter 4. Similes in "Paradise Lost": Simile of the Leaves
34:18 - Chapter 5. Hartman and Fish: Theories of Similes in "Paradise Lost"
40:34 - Chapter 6. Similes in "Paradise Lost": Simile of the Belated Peasant

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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9.1 | From Coin Flips to Clinical Trials: Introduction to Probability - Medical Software Course

Thu, 17 Sep 2026 11:47:30 -0000

Why is probability essential for medical software development? In this lesson, we take a crucial detour from the software lifecycle to explore the mathematical foundations of probability and statistics. We'll introduce key concepts from an engineering perspective, demonstrating their application in critical areas like signal detection and the design of robust clinical trials and validation studies, which are vital for reliable medical software.

🎯 Learning Objectives
• Distinguish between deterministic and stochastic systems in an engineering context.
• Define and differentiate between discrete and continuous probability density functions (PDFs).
• Explain the application of probability in medical software, including signal detection and clinical trial design.
• Understand the concepts of cumulative distribution functions (CDFs) and survival functions.
• Identify and interpret multivariate probability distributions.

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7.2 | The Ultimate Software Design Document Template Guide - Medical Software Course

Thu, 17 Sep 2026 11:00:00 -0000

In this lesson, we dive into a detailed template for the Software Design Document (SDD), an essential component in medical software development. We explore each section, including foundational elements like cover pages and overviews, to critical design aspects such as workflow descriptions, module architecture, and user interface outlines. The lesson also emphasizes the strategic management of external dependencies, considerations for open-source software, and the vital role of packaging, labeling, and continuous risk management throughout the design process.

🎯 Learning Objectives
• Identify the essential sections and structure of a Software Design Document (SDD) template.
• Explain the key elements of the "big picture design," including workflow descriptions, module architecture, and user interface considerations.
• Discuss strategies for managing external software dependencies, particularly concerning open-source libraries and licensing.
• Summarize the importance of packaging, labeling, and continuous risk management throughout the medical software design lifecycle.

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2.5 | Navigating Medical Software Regulations: Your Guide to Approval (Medical Software Course)

Thu, 17 Sep 2026 10:50:00 -0000

Are you ready to navigate the intricate landscape of medical software approval? This lesson delves into the regulatory processes governing medical software, highlighting key considerations from initial agency review to market release. We'll cover how risk classification impacts approval pathways and explore distinct regulatory frameworks in the United States, European Union, and China.

🎯 Learning Objectives
• Understand the core principles regulatory agencies apply when reviewing medical software, focusing on efficacy, safety, and security.
• Differentiate between device classifications (Class I, II, III) and their corresponding review processes, including 510k, De Novo, and Pre-Market Approval (PMA) in the US.
• Explain the distinctions and applications of general controls and special controls in medical device regulation.
• Compare and contrast the regulatory frameworks and approval processes for medical software in the United States (FDA), European Union (MDR), and China (NMPA).

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Module 4 | Ruchit Nagar on Digital Health Innovation in India - Social Entrepreneurship Interview

Thu, 17 Sep 2026 10:00:00 -0000

How does an idea born in a classroom transform into a large-scale social venture impacting thousands? In this illuminating conversation, Ruchit Nagar, CEO of Khushi Baby, shares the incredible journey of his digital health tech nonprofit. From developing a unique wearable NFC device for offline vaccine records to empowering community health workers with a comprehensive mobile platform across Rajasthan, this lesson highlights the power of human-centered design, relentless iteration, and a commitment to evolving solutions for real-world needs in rural India.

🎯 Learning Objectives
• Understand how a classroom project can evolve into a large-scale social enterprise addressing critical health challenges.
• Explore the principles of human-centered design and iterative development in creating culturally appropriate healthcare solutions.
• Learn about the technological innovation behind Khushi Baby's wearable digital health record and its expansion into a comprehensive primary healthcare platform.
• Recognize the importance of adapting your design question and persevering through setbacks when scaling social innovations.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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7. Nash equilibrium: shopping, standing and voting on a line

Thu, 17 Sep 2026 09:52:30 -0000

Game Theory (ECON 159)

We first consider the alternative "Bertrand" model of imperfect competition between two firms in which the firms set prices rather than setting quantities. Then we consider a richer model in which firms still set prices but in which the goods they produce are not identical. We model the firms as stores that are on either end of a long road or line. Customers live along this line. Then we return to models of strategic politics in which it is voters that are spread along a line. This time, however, we do not allow candidates to choose positions: they can only choose whether or not to enter the election. We play this "candidate-voter game" in the class, and we start to analyze both as a lesson about the notion of equilibrium and a lesson about politics.

00:00 - Chapter 1. Bertrand Duopoly: Standard Model
28:18 - Chapter 2. Bertrand Duopoly: Product Differentiation
40:13 - Chapter 3. Perfect Competition Revisited: The Candidate Voter Model

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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15. Backward induction: chess, strategies, and credible threats

Thu, 17 Sep 2026 09:00:00 -0000

Game Theory (ECON 159)

We first discuss Zermelo's theorem: that games like tic-tac-toe or chess have a solution. That is, either there is a way for player 1 to force a win, or there is a way for player 1 to force a tie, or there is a way for player 2 to force a win. The proof is by induction. Then we formally define and informally discuss both perfect information and strategies in such games. This allows us to find Nash equilibria in sequential games. But we find that some Nash equilibria are inconsistent with backward induction. In particular, we discuss an example that involves a threat that is believed in an equilibrium but does not seem credible.

00:00 - Chapter 1. First and Second Mover Advantages: Zermelo's Theorem
10:17 - Chapter 2. Zermelo's Theorem: Proof
17:06 - Chapter 3. Zermelo's Theorem: Generalization
31:20 - Chapter 4. Zermelo's Theorem: Games of Induction
40:27 - Chapter 5. Games of Perfect Information: Definition
01:01:56 - Chapter 6. Games of Perfect Information: Economic Example

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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8. Nash equilibrium: location, segregation and randomization

Thu, 17 Sep 2026 08:55:00 -0000

Game Theory (ECON 159)

We first complete our discussion of the candidate-voter model showing, in particular, that, in equilibrium, two candidates cannot be too far apart. Then we play and analyze Schelling's location game. We discuss how segregation can occur in society even if no one desires it. We also learn that seemingly irrelevant details of a model can matter. We consider randomizations first by a central authority (such as in a bussing policy), and then decentralized randomization by the individuals themselves, "mixed strategies." Finally, we look at rock, paper, scissors to see an example of a mixed-strategy equilibrium to a game.

00:00 - Chapter 1. Candidate - Voter Model
14:22 - Chapter 2. Location and Segregation: Why Outcomes Are Not Necessarily Preferences
46:01 - Chapter 3. Location and Segregation: Examples
52:10 - Chapter 4. Location and Segregation: Policy Implications
57:51 - Chapter 5. Location and Segregation: Central vs. Individual Randomization
01:00:51 - Chapter 6. Pure vs. Mixed Strategies: Rock, Paper, Scissors

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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21. Philip Roth, The Human Stain (cont.)

Thu, 17 Sep 2026 08:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this final lecture on The Human Stain, Professor Hungerford argues that desire is the engine of narrative, for Roth, both at the structural level and in the very grammar of his sentences. Sex and writing are alike in their attempt to cross the boundaries between persons. Passing does not only occur racially, but is also likened to the process whereby a writer, like Roth or his proxy Nathan Zuckerman, comes to inhabit the subjectivities of other characters. One effect of these conflations--for example, Nathan standing for Faunia as he dances with Coleman--is to raise the threat of homoeroticism, which for Roth collapses difference with same-sex desire. Such stereotypes are a controversial characteristic of Roth's fiction, which nevertheless continues to draw great admiration.

00:00 - Chapter 1. The Engine of Desire: The Structure of Roth's Language
17:32 - Chapter 2. Homoerotic Desire: The Danger of Overcoming Difference
29:57 - Chapter 3. Nathan as Narrator: Blankness or Secrecy?
40:14 - Chapter 4. Roth's Relationship to His Texts: Autobiography and Fiction

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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20. Subgame perfect equilibrium: wars of attrition

Thu, 17 Sep 2026 07:57:30 -0000

Game Theory (ECON 159)

We first play and then analyze wars of attrition; the games that afflict trench warfare, strikes, and businesses in some competitive settings. We find long and damaging fights can occur in class in these games even when the prizes are small in relation to the accumulated costs. These could be caused by irrationality or by players' having other goals like pride or reputation. But we argue that long, costly fights should be expected in these games even if everyone is rational and has standard goals. We show this first in a two-period version of the game and then in a potentially infinite version. There are equilibria in which the game ends fast without a fight, but there are also equilibria that can involve long fights. The only good news is that, the longer the fight and the higher the cost of fighting, the lower is the probability of such a fight.

00:00 - Chapter 1. Wars of Attrition: The Rivalry Game
17:39 - Chapter 2. Wars of Attrition: Real World Examples
24:04 - Chapter 3. Wars of Attrition: Analysis
47:53 - Chapter 4. Wars of Attrition: Discussion of SPEs
01:06:54 - Chapter 5. Wars of Attrition: Generalization

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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10.2 | Unlocking Clinical Trials: Design, Ethics and Regulatory Pathways – Medical Software Course

Thu, 17 Sep 2026 07:00:00 -0000

Have you ever wondered what goes into bringing a new medical device or drug to market? In this lesson, we delve into the world of clinical trials, covering their fundamental design, the crucial regulatory landscape, and the ethical principles that safeguard human subjects. From understanding prospective and randomized studies to navigating FDA approvals and the various phases of drug development, this segment provides a comprehensive overview of how medical innovations are safely and effectively tested.

🎯 Learning Objectives
• Understand the definition and purpose of clinical trials, including the importance of preregistration to ensure research integrity.
• Differentiate between prospective and randomized clinical trial designs and their significance as the "gold standard."
• Explain the regulatory pathways for testing medical devices, including IRB approval and Investigational Device Exemptions (IDEs), and describe feasibility and pivotal studies.
• Outline the phases of drug development (Phase 1, 2, 3, and post-market) and their respective objectives.
• Discuss the core ethical considerations in clinical research, specifically informed consent and the importance of diversity in study populations, referencing the Helsinki Declaration.

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7.4 | Stop User Errors: Mastering Usability Engineering in Medical Software Course

Thu, 17 Sep 2026 07:00:00 -0000

Why is user-friendly design paramount in medical software? In this lesson, we delve into Usability Engineering, exploring its critical role in preventing user errors that could lead to patient harm. We'll examine guidance from international standards like IEC 62366 and understand how an iterative design process, including formative and summative evaluations, ensures software is safe and intuitive for clinicians in real-world settings.

🎯 Learning Objectives
• Understand the definition and importance of usability engineering in medical software.
• Identify how usability prevents user errors and potential patient harm in clinical settings.
• Learn about relevant international standards, such as IEC 62366, for usability engineering in medical devices.
• Differentiate between formative and summative evaluation processes in user interface design.
• Explain the iterative process of designing and validating user interfaces for medical devices, including real-world testing.

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6. Lycidas

Thu, 17 Sep 2026 06:02:30 -0000

Milton (ENGL 220)

Milton's poem "Lycidas" is discussed as an example of pastoral elegy and one of Milton's first forays into theodicy. The poetic speaker's preoccupation with questions of immortality and reward, especially for poets and virgins, is probed. The Christian elements of the poem's dilemma are addressed, while the solution to the speaker's crisis is characterized as erotic and oddly paganistic, pointing towards the heterodox nature of much of Milton's thinking.

00:00 - Chapter 1. Revisiting Comus
07:04 - Chapter 2. "Lycidas": An Elegy
26:44 - Chapter 3. A Review of the Great Poet Orpheus
33:27 - Chapter 4. "Lycidas" and Milton's Letter to a Friend

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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Tracking Progress on System Change | Connected Leadership with Peter Boyd

Thu, 17 Sep 2026 06:00:00 -0000

How do you stay accountable to system-level goals as the gap between current state and goal keeps shifting? Use the Waters Institute model to track concern, influence, and control over time and put your system progress on one page.

Key topics:
- The fourth P: progress at the system level
- Mapping concern, influence, and control
- Iterating strategies as the gap evolves
- Building a system progress one-page worksheet
- Connecting self, team, and system one-pagers

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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603 | What is a Logic Model? Your Blueprint for Social Impact - Social Entrepreneurship Course

Thu, 17 Sep 2026 05:49:00 -0000

In this lesson, we explore the logic model as a crucial planning tool for social ventures, focusing on how it helps operationalize your theory of change and set clear success metrics. You'll learn the specifics of the 'logframe' and how it guides you from overarching goals to measurable objectives and activities.

🎯 Learning Objectives
• Understand what a logic model is and its role as a planning tool for social impact.
• Differentiate between various types of logic models, including the detailed logframe.
• Learn to break down an overarching organizational goal into specific, measurable, actionable, realistic, and time-bound (SMART) objectives.
• Identify the key components of a logical framework (logframe) for operationalizing your social entrepreneurship endeavor.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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7.5 | The Rise of Digital Behavioral Health: Impact and Future Analysis | Medical Software Course

Thu, 17 Sep 2026 05:05:00 -0000

Are you ready to explore how technology is revolutionizing mental healthcare? In this lesson, we delve into the burgeoning digital behavioral health industry, examining how the application of digital medicine is addressing the global mental health crisis and improving access to care. We'll explore the shift from traditional therapy models to innovative digital solutions, including smartphone apps, telemedicine, and AI-powered chatbots, and discuss their effectiveness in delivering cognitive behavioral therapy (CBT) and dialectical behavioral therapy (DBT).

🎯 Learning Objectives
• Understand the current landscape of the mental health crisis and challenges in accessing care.
• Analyze the significant growth and application of digital technologies in behavioral health.
• Identify various digital approaches and tools utilized for mental health interventions.
• Describe how established therapeutic techniques like CBT and DBT are adapted for digital platforms.
• Evaluate the effectiveness and key benefits of digital mental health solutions, including improved scalability and access.

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807 | DBL Fund: How Double Bottom Line Investing Drives Change - Social Entrepreneurship Course

Thu, 17 Sep 2026 05:00:00 -0000

What does it take to truly innovate in social finance? In this lesson, we explore DBL Fund, founded by Nancy Pfund, a pioneer in impact investing with a 'Double Bottom Line' approach. Discover their unique three-pronged investment strategy focused on identifying and supporting innovative, for-profit solutions to pressing environmental and social challenges, from forest conservation to homelessness. This case study also highlights DBL Fund's role in advocating for policy changes and building the broader impact investing field.

🎯 Learning Objectives
• Understand the pioneering role of DBL Fund in establishing the field of impact investing.
• Learn about DBL Fund's "Double Bottom Line" approach and its core investment principles.
• Examine real-world examples of companies like Better Place Forests and Pallet that DBL Fund supports.
• Recognize how DBL Fund contributes to systems and framework change through both investment and policy advocacy.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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9.2 | Master Conditional Probability with Bayes' Rule and Medical Scenarios | Medical Software Course

Thu, 17 Sep 2026 04:07:30 -0000

In this lesson, we dive deeper into probability theory, exploring how to calculate probabilities for multiple events. We'll uncover the crucial concept of independent events and introduce Bayes' Rule, a foundational principle for 'belief updating' in the face of new information. Through engaging examples ranging from coin flips and dice rolls to critical medical diagnostic scenarios, you'll learn how to interpret and apply conditional probabilities to make informed assessments.

🎯 Learning Objectives
• Understand the definition and implications of independent events in probability
• Apply the formula for calculating the joint probability of independent events
• Learn Bayes' Rule and its significance in determining posterior probabilities
• Grasp the concept of "belief updating" using conditional probability
• Analyze real-world examples, including medical diagnoses, to illustrate the practical application of multiple event probabilities

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Class 3 - Daniel Weiss: Introduction to Bosonic Modes and Kraus Operators

Thu, 17 Sep 2026 04:00:00 -0000

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7. The Greek "Renaissance" - Colonization and Tyranny (cont.)

Thu, 17 Sep 2026 03:10:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Donald Kagan explores the rise of Greek colonies. He argues that the rise of new colonies was primarily due to the need for new farmland, although he acknowledges several other important reasons. He also shows where the Greeks colonized and explains that the process of founding a new colony probably took place within the dynamics of a polis. Finally, he offers a few important outcomes of this colonizing impulse.

00:00 - Chapter 1. The Rise of the Greek Colony
12:01 - Chapter 2. How Greek Colonies (or Apoikiai) Worked
37:55 - Chapter 3. Mapping the Colonies
57:27 - Chapter 4. Consequences of Colonization to Greek Life

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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7.1 | The Software Design Document: Requirements to Implementation | Medical Software Course

Thu, 17 Sep 2026 03:00:00 -0000

In this lesson, we explore the vital role of the Software Design Document (SDD) in medical software development. Learn how this essential document bridges the gap between high-level requirements and detailed coding instructions, ensuring safety, clarity, and adherence to regulatory standards.

🎯 Learning Objectives
• Understand the purpose and importance of a Software Design Document (SDD) in medical software development.
• Identify the key steps involved in creating a comprehensive SDD, from reviewing requirements to defining architecture.
• Explain how the SDD serves as a crucial bridge between system requirements and software implementation.
• Discuss the regulatory considerations and best practices for software design, including handling Software of Unknown Provenance (SOUP).
• Recognize the importance of intuitive user interface design for preventing errors in medical software.

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6.5 | Mastering Your SRS Template for Medical Software Course

Thu, 17 Sep 2026 02:12:30 -0000

In this lesson, we dive into the critical components of a System Requirement Specification (SRS) template, essential for any medical software development. We'll explore each section, from the cover page to functional and non-functional requirements, and learn how to draft precise, testable requirements that drive successful project outcomes. We also discuss the often-overlooked yet vital "significance" section and the impact of "intended use" on regulatory clearance.

🎯 Learning Objectives
• Identify the key sections of a System Requirement Specification (SRS) document.
• Understand the purpose and importance of each SRS section, including significance and intended use.
• Differentiate between functional and non-functional requirements in medical software development.
• Learn the characteristics of a well-written requirement, focusing on testability and appropriate abstraction.
• Explain how a change in the intended use of medical software can impact regulatory clearance.

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13. Sequential games: moral hazard, incentives, and hungry lions

Thu, 17 Sep 2026 02:00:00 -0000

Game Theory (ECON 159)

We consider games in which players move sequentially rather than simultaneously, starting with a game involving a borrower and a lender. We analyze the game using "backward induction." The game features moral hazard: the borrower will not repay a large loan. We discuss possible remedies for this kind of problem. One remedy involves incentive design: writing contracts that give the borrower an incentive to repay. Another involves commitment strategies; in this case providing collateral. We consider other commitment strategies such as burning boats. But the key lesson of the day is the idea of backward induction.

00:00 - Chapter 1. Sequential Games: Backward Induction
17:57 - Chapter 2. Sequential Games: Moral Hazard
29:50 - Chapter 3. Sequential Games: Incentive Design
44:29 - Chapter 4. Sequential Games: Commitment Strategies
01:01:06 - Chapter 5. Sequential Games: Backward Induction Is Really Important

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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6. Philosophers and Kings: Plato's Republic, V

Thu, 17 Sep 2026 01:15:00 -0000

Introduction to Political Philosophy (PLSC 114)

In this last session on the Republic, the emphasis is on the idea of self-control, as put forward by Adeimantus in his speech. Socrates asserts that the most powerful passion one needs to learn how to tame is what he calls thumos. Used to denote "spiritedness" and "desire," it is associated with ambitions for public life that both virtuous statesmen as well as great tyrants may pursue. The lecture ends with the platonic idea of justice as harmony in the city and the soul.

00:00 - Chapter 1. The Control of Passions
08:53 - Chapter 2. A Proposal for the Construction of KallipolIs
17:34 - Chapter 3. Justice
26:28 - Chapter 4. The Philosopher-King
33:26 - Chapter 5. What Are Plato's Views on Modern America?

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2006.

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1. Introduction: five first lessons

Thu, 17 Sep 2026 01:00:00 -0000

Game Theory (ECON 159)

We introduce Game Theory by playing a game. We organize the game into players, their strategies, and their goals or payoffs; and we learn that we should decide what our goals are before we make choices. With some plausible payoffs, our game is a prisoners' dilemma. We learn that we should never choose a dominated strategy; but that rational play by rational players can lead to bad outcomes. We discuss some prisoners' dilemmas in the real world and some possible real-world remedies. With other plausible payoffs, our game is a coordination problem and has very different outcomes: so different payoffs matter. We often need to think, not only about our own payoffs, but also others' payoffs. We should put ourselves in others' shoes and try to predict what they will do. This is the essence of strategic thinking.

00:00 - Chapter 1. What Is Strategy?
02:16 - Chapter 2. Strategy: Where Does It Apply?
02:54 - Chapter 3. (Administrative Issues)
09:40 - Chapter 4. Elements of a Game: Strategies, Actions, Outcomes and Payoffs
21:38 - Chapter 5. Strictly Dominant versus Strictly Dominated Strategies
29:33 - Chapter 6. Contracts and Collusion
33:35 - Chapter 7. The Failure of Collusion and Inefficient Outcomes: Prisoner's Dilemma
41:40 - Chapter 8. Coordination Problems
01:07:53 - Chapter 9. Lesson Recap

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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18. The Peloponnesian War, Part I (cont.)

Thu, 17 Sep 2026 00:17:30 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan describes the aftermath of the Thirty Years Peace. He argues that the Peace had the potential to keep peace between Athens and Sparta due to the arbitration clause. In addition, he argues that during this time, Athens sends various diplomatic messages to the wider Greek world stating their intentions for peace, such as the Panhellenic venture to establish Thurii. However, this peace is seriously challenged when Corinth and Corcyra come into conflict over Epidamnus. At this point, Athens could make an alliance with Corcyra and run the risk of angering Sparta or allow Corinth to potentially take over Corcyra's navy and change the naval balance of power. Athens decides on a defensive alliance.

00:00 - Chapter 1. Preserving the Thirty Years Peace
10:12 - Chapter 2. The Pan-hellenic Colony of Thurii
22:05 - Chapter 3. Testing the Peace
38:30 - Chapter 4. Civil War at Epidamnus and the Question of Honor
01:12:18 - Chapter 5. Athens Votes on a Defensive Alliance

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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902 | Recruiting Your Founding Team: Culture, Roles and Ownership - Social Entrepreneurship Course

Thu, 17 Sep 2026 00:00:00 -0000

In this lesson, we delve into the crucial process of building your founding team, understanding organizational culture, and defining essential roles for your social entrepreneurship venture. Learn how to select the right people who share your values and possess diverse skills for long-term success.

🎯 Learning Objectives
• Identify the key considerations for selecting a founding team and executive members.
• Understand how organizational culture is formed and its significance for your venture.
• Learn about common executive roles (CEO, COO, CPO, CMO, CFO) and their responsibilities.
• Recognize the importance of skill diversity and dedication when building your team.
• Discuss the necessity of having clear ownership conversations among founders.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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8.1 | Master Medical Software Construction: Coding, Testing and Risk Mgmt | Medical Software Course

Wed, 16 Sep 2026 23:20:00 -0000

In this lesson, we dive into the 'Construction' phase of the medical software life cycle. Discover the crucial processes of coding and testing, and learn how standard software engineering principles adapt to the unique demands of medical device development. We'll explore programming best practices, effective source code management, and essential risk mitigation strategies to build robust and compliant medical software.

🎯 Learning Objectives
• Understand the critical role of coding and testing within the medical software life cycle.
• Implement best programming practices, including defensive coding and internationalization for global medical applications.
• Learn about source code management, static code reviews, and managing external dependencies (SOUPS).
• Identify common risks during software implementation and apply effective mitigation strategies.

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14. Backward induction: commitment, spies, and first-mover advantages

Wed, 16 Sep 2026 23:00:00 -0000

Game Theory (ECON 159)

We first apply our big idea--backward induction--to analyze quantity competition between firms when play is sequential, the Stackelberg model. We do this twice: first using intuition and then using calculus. We learn that this game has a first-mover advantage, and that it comes commitment and from information in the game rather than the timing per se. We notice that in some games having more information can hurt you if other players know you will have that information and hence alter their behavior. Finally, we show that, contrary to myth, many games do not have first-mover advantages.

00:00 - Chapter 1. Sequential Games: First Mover Advantage in the Stackelberg Model
38:13 - Chapter 2. First Mover Advantage: Commitment Strategy
49:25 - Chapter 3. First Mover Advantage: Why It Is Not Always an Advantage
55:53 - Chapter 4. First and Second Mover Advantage: NIM

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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26. Learning from and Responding to Financial Crisis II (Lawrence Summers)

Wed, 16 Sep 2026 22:22:30 -0000

Financial Markets (ECON 252)

In the second of his two lectures in honor of Arthur Okun, Professor Summers points out that real interest rates have been very low in the current subprime crisis. This indicates that the shock to the economy was more a financial breakdown shock than a disinflation shock. But financial breakdown shocks are not necessarily very harmful to the economy, so long as financial intermediation capital is not destroyed. In a financial crisis like the present one, financial firms are likely to take the step of decreasing their leverage, often by contracting loans, which creates its own risks for the economy. Regulators should place pressure on financial institutions to raise their capital and should intervene in near foreclosure situations, but should not attempt to support housing prices.

00:00 - Chapter 1. Introduction and Recap
02:51 - Chapter 2. Understanding Recessions in Terms of the IS/LM Model
12:35 - Chapter 3. Financial Intermediation Capital: Essential for Economic Growth
23:08 - Chapter 4. U.S. Fiscal Policy Challenges and Objectives
36:44 - Chapter 5. Caution against Overdependence on Monetary Policy and the Federal Funds Rate
48:12 - Chapter 6. Obstacles in Introducing New Capital into and Increasing Direct Regulation of Financial Markets
57:50 - Chapter 7. Fiscal Policy Coordination in the International Context: Observations and Suggestions
01:06:56 - Chapter 8. Q&A: From Paulson's Proposal to Regulation of Lending and Leverage

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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9.3 | Intro to Statistics: Unlocking Data for Medical Software Course

Wed, 16 Sep 2026 22:00:00 -0000

Have you ever wondered how data informs critical decisions in medical software development? In this lesson, we dive into a foundational introduction to statistics, exploring its crucial role in validating software. We'll uncover what statistics are, how to draw meaningful conclusions from samples to understand entire populations, and differentiate between point and interval estimation. We'll also examine the fundamental Central Limit Theorem and the Law of Large Numbers, crucial concepts for robust statistical analysis.

🎯 Learning Objectives
• Define statistics and their core function in software validation
• Distinguish between samples and populations in statistical inference
• Grasp the principles of point and interval estimation
• Understand the significance of the Central Limit Theorem and the Law of Large Numbers

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2. Southern Society: Slavery, King Cotton, and Antebellum America's "Peculiar" Region

Wed, 16 Sep 2026 21:49:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight offers a number of approaches to the question of southern distinctiveness. The lecture offers a survey of that manner in which commentators--American, foreign, northern, and southern--have sought to make sense of the nature of southern society and southern history. The lecture analyzes the society and culture of the Old South, with special emphasis on the aspects of southern life that made the region distinct from the antebellum North. The most lasting and influential sources of Old South distinctiveness, Blight suggests, were that society's anti-modernism, its emphasis on honor, and the booming slave economy that developed in the South from the 1820s to the 1860s.

00:00 - Chapter 1. Introduction: The Southern Memory of the Civil War
14:22 - Chapter 2. Similarities and Differences between the Antebellum North and South
24:44 - Chapter 3. Reputation and Honor -- Characteristics of Old South Society
31:27 - Chapter 4. The "Burden" of Southern History
38:15 - Chapter 5. The South's Cotton Economy
49:57 - Chapter 6. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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4. Best responses in soccer and business partnerships

Wed, 16 Sep 2026 21:25:00 -0000

Game Theory (ECON 159)

We continue the idea (from last time) of playing a best response to what we believe others will do. More particularly, we develop the idea that you should not play a strategy that is not a best response for any belief about others' choices. We use this idea to analyze taking a penalty kick in soccer. Then we use it to analyze a profit-sharing partnership. Toward the end, we introduce a new notion: Nash Equilibrium.

00:00 - Chapter 1. Best Response: Penalty Kicks in Soccer
15:14 - Chapter 2. Best Response: Issues with the Penalty Kick Model
24:06 - Chapter 3. Best Response: Formal Definition
29:59 - Chapter 4. Externalities and Inefficient Outcomes: The Partnership Game
01:07:23 - Chapter 5. Nash Equilibrium: Preview

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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8.4 | Master Real-Time fMRI Integration Testing with Simulators | Medical Software Course

Wed, 16 Sep 2026 21:00:00 -0000

Have you ever wondered how complex medical software is tested when it interacts with expensive, specialized hardware? In this lesson, we delve into the world of integration testing within real-time fMRI systems, highlighting the unique challenges of connecting custom software with existing MRI scanners and feedback computers. You'll discover how innovative simulation strategies overcome these hurdles, enabling efficient development and debugging without constant access to live equipment.

🎯 Learning Objectives
• Understand the core concepts and applications of real-time fMRI.
• Identify the software and hardware components within a real-time fMRI setup.
• Recognize the specific challenges of integration testing in complex medical imaging environments.
• Explain how simulators are effectively utilized to facilitate integration testing for medical software.
• Appreciate the benefits of simulation for parallel development and cost-effective testing.

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Further Work in Systems Leadership | Connected Leadership with Peter Boyd

Wed, 16 Sep 2026 20:27:30 -0000

System change happens in community, not alone. Get pointed toward the CLEAR systems leadership framework from the Harvard Kennedy School and see how the four Ps tie your leadership identity back to the system you want to change.

Key topics:
- The need for collaboration and coalition building
- The CLEAR steps to system leadership
- Humility and a growth mindset for systems work
- Bringing your system onto one page
- Connecting purpose, priorities, potential, and progress

📚 About the Course:

This course is designed to maximize your ability to create change at the individual, team and system levels. Through study, reflection, and deploying practical tools, you will establish a firm connection between your clearly articulated Purpose, effective Priorities, visualized Potential for success, and pathway to maximized Progress. But, what does that mean in practice?

When you take this course, you will:

Improve your ability to get the most out of life: Learn a simple practice to reflect on your purpose, clarify priorities, visualize your potential, and maximize your effectiveness at progressing towards your goals.

Strengthen your leadership toolkit: Tap into your unique leadership style and strengths and join or create a community of others to maximize your potential as a team.

Create change through systems thinking: Become a more effective agent of positive change and appreciate the power and complexity of system thinking.

Course Takeaways:
Improve your ability to get the most out of life
Strengthen your leadership toolkit
Practice and apply systems thinking to plan for change

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezZEnhZC8dS3AvTnzOiB0Ij

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/connected-leadership

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/connected-leadership

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19. The Peloponnesian War, Part II

Wed, 16 Sep 2026 20:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan focuses on the causes of the Peloponnesian War and the possible motivations for Thucydides' book, The History of the Peloponnesian War. Concerning the first point, Professor Kagan parts ways with Thucydides and argues that the war was not inevitable and that the Athenians under Pericles followed a policy of deterrence, which was aimed at peace. Similarly, he points out that there were a number of Spartans who did not want war as well. Therefore, according to this line of reasoning, war broke out due to a number of factors that were avoidable. Concerning the second point, Professor Kagan argues that Thucydides was a revisionist historian. In other words, Thucydides was writing not as a disinterested historian, but as a historian with a point to make, namely, that the war was inevitable and that Athens was only a democracy in name under Pericles. Finally, Professor Kagan acknowledges that his two points are debatable.

00:00 - Chapter 1. Lead Up to the War: Corcyra and Potidaea
12:17 - Chapter 2. Lead Up to the War: The Megarian Decree
20:08 - Chapter 3. The Spartan Assembly Votes and the Course of War Is Set
36:33 - Chapter 4. The Start of the War
50:02 - Chapter 5. Thucydides as Revisionist Historian

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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10.3 | Crafting Your Medical Software Validation Plan: Principles and Steps | Medical Software Course

Wed, 16 Sep 2026 19:30:00 -0000

In this lesson, we dive into the fundamental principles of creating a robust validation plan for medical software. You'll learn how to translate qualitative user needs into objective, quantitative criteria, understand the structure of a comprehensive plan, and discover why early engagement with a statistician is paramount for successful validation studies.

🎯 Learning Objectives
• Understand the foundational principles for creating a medical software validation plan.
• Learn to define specific, quantitative, and testable goals for validation studies.
• Grasp the four key components of a validation plan: goal, rationale, methods, and data analysis.
• Recognize the critical importance of early consultation with a statistician for effective study design and analysis.
• Explore examples of how to validate new solutions against existing methods or the standard of care.

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8.2 | Master Code Management: Essential Revision Control Systems for Medical Software Course

Wed, 16 Sep 2026 19:00:00 -0000

Have you ever struggled to manage code in large, multi-developer projects? In this lesson, we dive into the critical role of revision control systems, exploring their evolution from early file-based tools to modern distributed repositories like Git. Discover how these systems enable seamless collaboration, track changes, and maintain code integrity in complex software development environments.

🎯 Learning Objectives
• Understand the purpose and historical evolution of revision control systems.
• Differentiate between various revision control systems, with a focus on Git's advantages and features.
• Learn the fundamental workflow and commands for using Git in a collaborative development setting (clone, pull, add, commit, push).
• Explain how GitHub facilitates team collaboration through branching, pull requests, and code reviews, and its compatibility with quality management systems.

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17. Backward induction: ultimatums and bargaining

Wed, 16 Sep 2026 18:00:00 -0000

Game Theory (ECON 159)

We develop a simple model of bargaining, starting from an ultimatum game (one person makes the other a take it or leave it offer), and building up to alternating offer bargaining (where players can make counter-offers). On the way, we introduce discounting: a dollar tomorrow is worth less than a dollar today. We learn that, if players are equally patient, if offers can be in rapid succession, and if each side knows how much the game is worth to the other side, then the first offer is for an equal split of the pie and this offer is accepted. But this result depends on those assumptions; for example, bargaining power may depend on wealth.

00:00 - Chapter 1. Ultimatum Games: Why Backward Induction Fails Here
14:15 - Chapter 2. Bargaining Games: Setup and Generalization
47:44 - Chapter 3. Bargaining Games: Summary of Proof of Generalization
54:29 - Chapter 4. Bargaining Games: Assumptions and Conclusions

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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11.5 | Navigating Singapore AI/ML Med Device Regs: A Dive into Guidelines — Medical Software Course

Wed, 16 Sep 2026 17:32:30 -0000

How are AI/ML medical devices regulated in Singapore? In this lesson, we take a detailed look at the Health Sciences Authority's (HSA) regulatory guidelines for software medical devices, focusing specifically on artificial intelligence and machine learning applications. We'll explore the unique requirements for pre-market submissions, delve into considerations for continuously learning systems, and understand the critical aspects of post-market monitoring to ensure safety and effectiveness.

🎯 Learning Objectives
• Understand Singapore's regulatory framework for AI/ML medical devices.
• Identify key pre-market submission requirements for AI-MDs, including dataset and model documentation.
• Explain considerations for continuously learning AI/ML systems, such as bias prevention and rollback capabilities.
• Describe the importance of post-market monitoring for AI/ML medical devices to prevent performance drift.
• Recognize the challenges and future outlook for regulating AI/ML in medical software.

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19. Subgame perfect equilibrium: matchmaking and strategic investments

Wed, 16 Sep 2026 17:00:00 -0000

Game Theory (ECON 159)

We analyze three games using our new solution concept, subgame perfect equilibrium (SPE). The first game involves players' trusting that others will not make mistakes. It has three Nash equilibria but only one is consistent with backward induction. We show the other two Nash equilibria are not subgame perfect: each fails to induce Nash in a subgame. The second game involves a matchmaker sending a couple on a date. There are three Nash equilibria in the dating subgame. We construct three corresponding subgame perfect equilibria of the whole game by rolling back each of the equilibrium payoffs from the subgame. Finally, we analyze a game in which a firm has to decide whether to invest in a machine that will reduce its costs of production. We learn that the strategic effects of this decision--its effect on the choices of other competing firms--can be large, and if we ignore them we will make mistakes.

00:00 - Chapter 1. Sub-game Perfect Equilibria: Example
27:22 - Chapter 2. Sub-game Perfect Equilibria: Matchmaking
34:31 - Chapter 3. Matchmaking: SPEs of the Game
49:37 - Chapter 4. Sub-game Perfect Equilibria: Strategic Investments
01:13:15 - Chapter 5. Strategic Investments: Discussion

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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20. The Peloponnesian War, Part II (cont.)

Wed, 16 Sep 2026 16:35:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan examines Pericles as a general. First, he describes Pericles' strategy of war and then he evaluates this strategy. According to Professor Kagan, Pericles' strategy was characterized by being both defensive and rational. It was defensive, because the Athenians did not engage the Spartans in a traditional hoplite battle, and it was rational, because Pericles assumed that the Spartans would cease fighting when they realized that the Athenians did not have to fight a land battle, since they had a walled city and a navy. On its surface, this strategy seems reasonable, but Professor Kagan points out that there were two flaws. First, the Athenians did not have an offensive plan: that is, a plan to deter the Spartans from quitting the war. Second, Pericles failed to realize that war is not always rational.

00:00 - Chapter 1. Pericles and His Strategy
16:27 - Chapter 2. Modern Scholars' Views on Pericles
26:04 - Chapter 3. Criticism of Pericles as a Military Leader
40:54 - Chapter 4. Pericles' Other Obstacles
53:47 - Chapter 5. Question and Answer

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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Module 5 | Doug Rauch on How Customer Feedback Built Daily Table - Social Entrepreneurship Interview

Wed, 16 Sep 2026 16:00:00 -0000

Have you ever wondered how social entrepreneurs truly understand and solve complex community problems? In this lesson, join us for a deep dive with Doug Rauch, founder of Daily Table, as he shares the surprising pivots and critical insights gained from direct community engagement that shaped his innovative social enterprise. He reveals how listening to the target customer transformed his initial vision for addressing food insecurity into a highly effective model providing affordable, nutritious, and convenient food.

🎯 Learning Objectives
• Discover how direct customer and community feedback can lead to significant pivots and innovations in social enterprises.
• Understand that food insecurity is often not about lack of food, but the affordability, nutritional quality, and convenience of healthy options.
• Learn the importance of adapting your solution based on the real-life needs and constraints of your target beneficiaries, such as time for cooking.
• Explore various methods of gathering community insights, from informal group discussions to structured focus groups.
• Appreciate how community input can influence core aspects of a venture, including its branding and public perception.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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16. Athenian Democracy (cont.)

Wed, 16 Sep 2026 15:37:30 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan continues to discuss the constitution of Athens. In particular, he explores the judicial workings of Athens. He describes in detail the effort of the Athenians to create a system of justice that would not only minimize tampering, in order to insure justice, but also maximize citizen participation. After this discussion, Professor Kagan comments on the role of women in Athens by looking at two types of sources. The picture that emerges is considerably complex and left without resolution. Finally, he comments on the role of slaves. In each of these discussions, he draws illuminating analogies to our modern society.

00:00 - Chapter 1. Organization of Athenian Democracy: The Judicial
09:51 - Chapter 2. Flaws in the Athenian Democratic System
40:20 - Chapter 3. Women's Roles in Athenian Society
54:16 - Chapter 4. Slavery in Athenian Society
01:07:37 - Chapter 5. Question and Answer

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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18. "War So Terrible": Why the Union Won and the Confederacy Lost at Home and Abroad

Wed, 16 Sep 2026 15:00:00 -0000

The Civil War and Reconstruction (HIST 119)

This lecture probes the reasons for confederate defeat and union victory. Professor Blight begins with an elucidation of the loss of will thesis, which suggests that it was a lack of conviction on the home front that assured confederate defeat, before offering another of other popular explanations for northern victory: industrial capacity, political leadership, military leadership, international diplomacy, a pre-existing political culture, and emancipation. Blight warns, however, that we cannot forget the battlefield, and, to this end, concludes his lecture with a discussion of the decisive Union victories at Gettysburg and Vicksburg in July of 1863.

00:00 - Chapter 1. Introduction
08:10 - Chapter 2. Resources, Leadership, Diplomacy: Why The North Won
22:16 - Chapter 3. Frail Nationalism? The Loss-of-Will Theory on Why the South Lost
30:42 - Chapter 4. The Bloody Battle of Gettysburg
44:41 - Chapter 5. Union Victory at Vicksburg and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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15. Lincoln, Leadership, and Race: Emancipation as Policy

Wed, 16 Sep 2026 14:40:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight follows Robert E. Lee's army north into Maryland during the summer of 1862, an invasion that culminated in the Battle of Antietam, fought in September of 1862. In the wake of Antietam, Abraham Lincoln issued his preliminary Emancipation Proclamation, a document that changed the meaning of the war forever. Professor Blight suggests some of the ways in which Americans have attempted to come to grips with the enigmatic Lincoln, and argues that, in the end, it may be Lincoln's capacity for change that was his most important characteristic. The lecture concludes with the story of John Washington, a Virginia slave whose concerted action suggests the central role American slaves played in securing their own freedom.

00:00 - Chapter 1. Introduction: Turning Points in the Civil War
07:42 - Chapter 2. Robert E. Lee's Assumptions on Moving North
15:55 - Chapter 3. The Battle of Antietam
25:07 - Chapter 4. Lincoln's Personal Views on Slavery and Historical Legacy
35:11 - Chapter 5. Slave Conscription and the Emancipation Proclamation
47:35 - Chapter 6. The Story of John Washington and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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9.5 | Signal Detection and ROC Curves: Optimizing Medical Software Decisions | Medical Software Course

Wed, 16 Sep 2026 14:00:00 -0000

How do we make critical decisions from data, especially when mistakes can be costly? In this lesson, we delve into the fundamental problem of signal detection, exploring its origins in radar and its vital applications in medical software, such as cancer screening. We'll uncover the delicate balance between false positives and false negatives, understand the concepts of sensitivity and specificity, and learn how Receiver Operating Characteristic (ROC) curves and Area Under the Curve (AUC) are used to evaluate and optimize the performance of detection algorithms.

🎯 Learning Objectives
• Understand the fundamental problem of signal detection and its relevance in medical applications.
• Identify and differentiate between true positives, false negatives, false positives, and true negatives.
• Define and explain the concepts of sensitivity and specificity in the context of detection algorithms.
• Analyze the trade-off between sensitivity and specificity when setting detection thresholds.
• Interpret Receiver Operating Characteristic (ROC) curves and Area Under the Curve (AUC) to evaluate algorithm performance.

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604 | Essential Do's and Don'ts of Measuring Social Change - Social Entrepreneurship Course

Wed, 16 Sep 2026 13:49:00 -0000

In this lesson, we cover the essential do's and don'ts of measuring outcomes for your social venture. Understanding these guidelines will help you accurately assess your impact and ensure effective planning and implementation.

🎯 Learning Objectives
• Understand the importance of using baseline data and considering external factors when measuring outcomes.
• Learn the critical need to communicate with stakeholders and allocate resources for monitoring and evaluation.
• Differentiate between inputs and outputs, and recognize the significance of measuring both direct and indirect benefits for your social venture.
• Identify common pitfalls to avoid when establishing your outcome measurement strategy.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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11.2 | Evaluate ML Methods Ethically: Avoid P-Hacking for Reprod. Results | Medical Software Course

Wed, 16 Sep 2026 13:42:30 -0000

In this lesson, we delve into the critical aspects of evaluating machine learning methods and the vital importance of data integrity. We'll explore fundamental concepts like separate training and testing sets, cross-validation techniques, and the significant challenge of 'p-hacking' that can undermine research reproducibility. Understanding these issues is crucial for developing robust and trustworthy medical software.

🎯 Learning Objectives
• Understand the core principles of evaluating machine learning models.
• Differentiate between training and testing data, and the importance of generalization.
• Explain K-fold and leave-one-out cross-validation techniques.
• Recognize the prevalence and impact of data cleaning in real-world machine learning applications.
• Define 'p-hacking' and its implications for the reliability and reproducibility of machine learning research.

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10.4 | Deploying Medical Software: From Lab to User Safely | Medical Software Course

Wed, 16 Sep 2026 13:00:00 -0000

In this lesson, we delve into the critical process of deploying medical software, moving it from development to the end-user environment. We explore why planning for deployment must begin at the project's inception, addressing challenges like mobile app store gatekeepers. Key steps include ensuring software verification, finalizing documentation, identifying potential anomalies, and establishing repeatable delivery and installation procedures. The discussion also covers essential user training, setup configuration, and the vital role of risk management, including informing users about residual risks and hazards, as demonstrated by the Therac-25 case. Finally, we highlight the continuous nature of post-market clinical follow-up for ongoing safety and performance.

🎯 Learning Objectives
• Explain the crucial steps involved in deploying medical software, from development to end-user delivery.
• Understand why deployment considerations must be integrated from the very beginning of a project.
• Identify key pre-deployment tasks, including verification, documentation, and anomaly management.
• Discuss the importance of user training, configuration documentation, and repeatable deployment processes.
• Recognize the critical role of risk management and post-market surveillance in ensuring the safety of deployed medical software.

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10. The Rise of Athens

Wed, 16 Sep 2026 12:45:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan finishes up his description of the Spartan constitution. He argues that Sparta had a mixed constitution and gained great power due to alliances that the Spartans made with their neighbors. After the discussion of Sparta, Professor Kagan examines Athens and the development of the Athenian constitution. In addition, he shows how different these two poleis were. Finally, Professor Kagan discusses the emergence of the hoplite class in Athens and the failure of Cylon to make himself tyrant of Athens.

00:00 - Chapter 1. The Spartan Assembly
10:53 - Chapter 2. The Spartan Alliance
26:32 - Chapter 3. Motivations for Sparta's Foreign Policy
34:38 - Chapter 4. The Rise of Athens
46:09 - Chapter 5. Early Athenian Society
01:07:34 - Chapter 6. Cylon's Failed Coup d'État

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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15. Athenian Democracy

Wed, 16 Sep 2026 12:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan describes the mechanics of the Delian League and its transformation into the Athenian empire. This transformation caused Athens to rival Sparta as an equal in power and prestige. He also argues that this process took place rather smoothly due to the good relations between Sparta and Athens. Professor Kagan argues that Cimon the Athenian generally played an important part in this development. Finally, Professor Kagan begins to describe the workings of Athenian democracy by comparing it with modern American democracy.

00:00 - Chapter 1. The Rise of the Athenian Empire (Cont.)
10:25 - Chapter 2. Competition for Power between Sparta and Athens
15:51 - Chapter 3. Cimon, His Popularity and Rise to Power
30:29 - Chapter 4. The Thasian Rebellion and the Eventual Removal of Cimon
42:59 - Chapter 5. A Fuller Athenian Democracy
55:12 - Chapter 6. Organization of Athenian Democracy: The Legislative
01:04:42 - Chapter 7. Organization of Athenian Democracy: The Executive

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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9.7 | From Guinness to Clinical Trials: The Story of T-Distribution | Medical Software Course

Wed, 16 Sep 2026 11:47:30 -0000

Ever wondered where the t-distribution came from? In this lesson, we conclude our exploration of statistical significance by delving into the fascinating history of the t-distribution, born out of the Guinness Brewery. We then transition to its crucial role in modern clinical trials, explaining power analysis, type I and type II errors, and the importance of sample size. Finally, we discuss critical caveats and common misinterpretations of statistical significance and p-values.

🎯 Learning Objectives
• Explore the historical origins of the t-distribution, including its connection to the Guinness Brewery.
• Understand the characteristics of the t-distribution, particularly its "fatter tails" and higher probability of extreme values.
• Learn about power analysis and its use in determining appropriate sample sizes for clinical trials.
• Differentiate between Type I and Type II errors and grasp the concept of statistical power.
• Recognize the limitations and common misinterpretations of statistical significance, including the issue of p-hacking.

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9.4 | Demystify Probability Density Functions - Medical Software Course

Wed, 16 Sep 2026 11:00:00 -0000

Have you ever wondered how we predict the likelihood of events in complex medical scenarios? In this lesson, we delve into the critical statistical procedure of estimating probability density functions. We'll explore the necessity of using large, representative samples, the role of prior knowledge, and the fundamental differences between parametric and non-parametric estimation methods to ensure accurate predictions and reliable clinical trial results.

🎯 Learning Objectives
• Understand the process and importance of estimating probability density functions.
• Differentiate between samples and populations, emphasizing the need for representative samples.
• Discuss the role and controversies of incorporating prior knowledge in statistical estimation.
• Compare and contrast parametric and non-parametric methods for PDF estimation.
• Identify when to apply parametric versus non-parametric techniques based on data characteristics.

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13. Toni Morrison, The Bluest Eye

Wed, 16 Sep 2026 10:50:00 -0000

The American Novel Since 1945 (ENGL 291)

Professor Hungerford draws a contrast between Toni Morrison and most of the writers studied up to this point in the course by pointing out how, for an African-American woman writer in particular, language is a site of violence. For all of her power to recuperate the voices of the oppressed, the novelist must be wary of the ways that breaking the silence, too, can constitute an act of invasion. As in the case of Pynchon, the word in The Bluest Eye enacts a near-physical touch; this is its pleasure and its danger. With inimitable complexity and grace, Morrison weaves her narrative around a young black girl who, in the void of her social persona, constructs a beautiful and poisonous fiction.

00:00 - Chapter 1. Morrison's Politics: The Other Side of the 1960s
07:16 - Chapter 2. Choosing a Form: Morrison's Use of the Novel
16:40 - Chapter 3. Complicated Sympathy: Cholly Breedlove
31:15 - Chapter 4. Negativities: The Other Engine of Narrative
42:56 - Chapter 5. Reading, Rape and Race: Poison in the Canon

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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18. Imperfect information: information sets and sub-game perfection

Wed, 16 Sep 2026 10:00:00 -0000

Game Theory (ECON 159)

We consider games that have both simultaneous and sequential components, combining ideas from before and after the midterm. We represent what a player does not know within a game using an information set: a collection of nodes among which the player cannot distinguish. This lets us define games of imperfect information; and also lets us formally define subgames. We then extend our definition of a strategy to imperfect information games, and use this to construct the normal form (the payoff matrix) of such games. A key idea here is that it is information, not time per se, that matters. We show that not all Nash equilibria of such games are equally plausible: some are inconsistent with backward induction; some involve non-Nash behavior in some (unreached) subgames. To deal with this, we introduce a more refined equilibrium notion, called sub-game perfection.

00:00 - Chapter 1. Games of Imperfect Information: Information Sets
18:56 - Chapter 2. Games of Imperfect Information: Translating a Game from Matrix Form to Tree Form and Vice Versa
35:11 - Chapter 3. Games of Imperfect Information: Finding Nash Equilibria
49:59 - Chapter 4. Games of Imperfect Information: Sub-games
01:10:17 - Chapter 5. Games of Imperfect Information: Sub-game Perfect Equilibria

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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5. The Rise of the Polis (cont.)

Wed, 16 Sep 2026 09:52:30 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Donald Kagan tells the story of the emergence of the polis from the Dark Ages. He shows that by the time of the poet Hesiod, there is already a polis in place. He describes the importance of the polis in the Greek world and explains that it was much more than a mere place of habitation; it was a place where there was justice, law, community, and a set of cultural values that held Greeks together. Finally, Professor Kagan argues, following the lead of Victor David Hanson, that the polis came to be chiefly through the emergence of a new man: the hoplite farmer.

00:00 - Chapter 1. The Polis in Hesiod's Work
22:01 - Chapter 2. The Citizen
26:32 - Chapter 3. Greek Farmers and the Function of the Polis
36:12 - Chapter 4. Property Holding and Internal Colonization
42:26 - Chapter 5. The New Farm
57:09 - Chapter 6. Politics

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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Class 4 - Takahiro Tsunoda: Hardware Efficient Encodings: Cat Qubits/Dual-Rail Qubits

Wed, 16 Sep 2026 09:00:00 -0000

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6. Efficient Markets vs. Excess Volatility

Wed, 16 Sep 2026 08:55:00 -0000

Financial Markets (ECON 252)

Several theories in finance relate to stock price analysis and prediction. The efficient markets hypothesis states that stock prices for publicly-traded companies reflect all available information. Prices adjust to new information instantaneously, so it is impossible to "beat the market." Furthermore, the random walk theory asserts that changes in stock prices arise only from unanticipated new information, and so it is impossible to predict the direction of stock prices. Using statistical tools, we can attempt to test the hypotheses and to predict future stock prices. These tests show that efficient markets theory is a half-truth: it is difficult but not impossible for some people to beat the market.

00:00 - Chapter 1. Last Thoughts on Insurance and Catastrophe Bonds
06:28 - Chapter 2. Information Access and the Efficient Markets Hypothesis
20:00 - Chapter 3. Varying Degrees of Efficient Markets and No Dividends: The Case of First Federal Financial
41:44 - Chapter 4. The Random Walk Theory
51:30 - Chapter 5. The First Order Auto-regressive Model
56:59 - Chapter 6. Challenges in Forecasting the Market

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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3. The Dark Ages (cont.)

Wed, 16 Sep 2026 08:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan addresses what scholars call the Homeric question. He asks: what society do Homer's poems describe? He argues that in view of the long oral transmission of the poems, the poems of Homer probably reflect various ages from the Mycenaean world to the Dark Ages. More importantly, close scrutiny of the poems will yield historical information for the historian. In this way, one is able to reconstruct through the poems, to a certain extent, the post-Mycenaean world. Finally, Professor Kagan says a few words on the heroic ethic of the Greek world.

00:00 - Chapter 1. The Importance of Homeric Poems
13:08 - Chapter 2. The Society Described in Homer's Poems
35:49 - Chapter 3. Political Structures
52:26 - Chapter 4. Ethics and Values

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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11.6 | Navigating AI/ML Challenges in Medical Software Development — Medical Software Course

Wed, 16 Sep 2026 07:57:30 -0000

In this lesson, Professor John Onofrey delves into the unique practical issues and challenges that Artificial Intelligence and Machine Learning applications encounter throughout the medical software life cycle. He contrasts these with traditional software development, highlighting the critical role of training data, risk assessment from sources like distributional shifts and adversarial attacks, and the necessity for robust system design to manage the inherent 'black box' nature and potential failures of AI/ML models in clinical settings.

🎯 Learning Objectives
• Differentiate the unique requirements and challenges of AI/ML applications within the medical software life cycle from traditional software.
• Identify and understand critical risk factors for AI/ML systems, such as distributional shifts, adversarial attacks, and performance drift.
• Explain the intrinsic link between training data, model development, and the importance of reproducibility and quality control.
• Articulate the concept of treating AI/ML components as "unsafe" and designing robust systems with failure mitigation strategies, including human-in-the-loop approaches.
• Describe the distinct workflows for training and deploying AI/ML models and the need for continuous post-market monitoring.

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22. Paradise Regained, Books III-IV

Wed, 16 Sep 2026 07:00:00 -0000

Milton (ENGL 220)

In this second lecture on Paradise Regained, the three temptations are examined and Milton's unusual departure from their account in the Gospel of Luke is discussed. The poem's tacit assertion of the superiority of knowledge and ethics over action is probed. Considerable time is spent examining the Son's rejection of classical literature. Finally, Book Four's allusion to the riddle of the sphinx serves as a springboard to a consideration of the poem's Oedipal elements.

00:00 - Chapter 1. Introduction: The Notion of Identity in Paradise Regained and "Paradise Lost"
03:48 - Chapter 2. Who is John Milton?
10:31 - Chapter 3. The Three Temptations of the Son of God by Satan
42:33 - Chapter 4. Oedipus and the Sphinx's Riddle

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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16. Backward induction: reputation and duels

Wed, 16 Sep 2026 07:00:00 -0000

Game Theory (ECON 159)

In the first half of the lecture, we consider the chain-store paradox. We discuss how to build the idea of reputation into game theory; in particular, in setting like this where a threat or promise would otherwise not be credible. The key idea is that players may not be completely certain about other players' payoffs or even their rationality. In the second half of the lecture, we stage a duel, a game of pre-emption. The key strategic question in such games is when; in this case, when to fire. We use two ideas from earlier lectures, dominance and backward induction, to analyze the game. Finally we discuss two biases found in Americans: overconfidence and over-valuing being pro-active.

00:00 - Chapter 1. Establishing a Reputation: Selten's Chain Store Paradox
20:56 - Chapter 2. Establishing a Reputation: Discussion
25:18 - Chapter 3. Dueling: Game Setup
34:04 - Chapter 4. Dueling: Game Analysis
45:42 - Chapter 5. Dueling: Finding a Solution
01:11:24 - Chapter 6. Dueling: Generalization

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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904 | How Governance Structures Shape Social Enterprises - Social Entrepreneurship Course

Wed, 16 Sep 2026 06:02:30 -0000

Have you ever wondered how organizations ensure fairness, transparency, and accountability? In this lesson, we delve into the world of governance structures, exploring the principles, policies, and procedures that protect an institution's people and processes. We'll specifically examine three crucial components: bylaws, the board of trustees, and innovative shared leadership models, highlighting how they empower social enterprises to stay true to their mission.

🎯 Learning Objectives
• Define governance and understand its fundamental purpose.
• Explain the role of bylaws in establishing an organization's operational framework and mission alignment.
• Discuss the function of a board of trustees and the importance of diversity in its composition.
• Explore different governance models, including community engagement and shared leadership, for designing an organization that reflects its values.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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903 | How to Standardize Your Processes for Growth - Social Entrepreneurship Course

Wed, 16 Sep 2026 06:00:00 -0000

In this lesson, discover how standardizing your processes is essential for scaling your social venture and ensuring its long-term sustainability beyond the founders. We explore the critical role of operations management, the power of process mapping, and the implementation of policies and manuals to professionalize your organization and maximize its impact.

🎯 Learning Objectives
• Understand the purpose of standardizing processes to ensure organizational endurance and growth.
• Define operations as the management of your social venture's value chain and daily activities.
• Learn how process mapping standardizes decision points and steps for delivering your offering.
• Identify other crucial tools for standardization, including policies, procedures, and manuals.
• Recognize how professionalizing processes supports team expansion and maximizes impact.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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13. Terrible Swift Sword: The Period of Confederate Ascendency, 1861-1862

Wed, 16 Sep 2026 05:49:00 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight discusses the expectations, advantages, and disadvantages with which North and South entered the Civil War. Both sides, he argues, expected and desired a short, contained conflict. The northern advantages enumerated in this lecture include industrial capability, governmental stability, and a strong navy. Confederate advantages included geography and the ability to fight a defensive war. Professor Blight concludes the lecture with the Battle of Bull Run, the first major engagement of the war.

00:00 - Chapter 1. Introduction: Alcott's Hospital Sketches and Burns's The Civil War
09:28 - Chapter 2. Expectations on War and the West Point Graduates
20:38 - Chapter 3. Advantages of the Union Military
28:31 - Chapter 4. Tactical Advantages and Political Weaknesses of the South
39:35 - Chapter 5. Battle Strategies and Recruitment for the Two Militaries
46:25 - Chapter 6. The Battle of Bull Run and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Module 6 | Camila Güiza-Chavez on Measuring Community Power - Social Entrepreneurship Interview

Wed, 16 Sep 2026 05:05:00 -0000

In this lesson, join a campus conversation with Camila Güiza-Chavez, Director of Impact and Mission at Havenly, a social enterprise supporting refugee and immigrant women. The discussion delves into how Havenly measures success and impact, moving beyond simple job placement to focus on building community power and agency among the women they serve.

🎯 Learning Objectives
• Understand the distinction between traditional workforce development metrics and building community power in social entrepreneurship.
• Learn how Havenly measures its broader mission of fostering agency and self-confidence among immigrant and refugee women.
• Explore qualitative and quantitative methods for assessing social impact, including conversational evaluations and relational observation.
• Recognize the importance of empowering program participants to guide organizational strategy and advocate for systemic change.
• Identify diverse ways to communicate multidimensional impact to various stakeholders, balancing traditional metrics with indicators of deep societal transformation.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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12. Evolutionary stability: social convention, aggression, and cycles

Wed, 16 Sep 2026 05:00:00 -0000

Game Theory (ECON 159)

We apply the idea of evolutionary stability to consider the evolution of social conventions. Then we consider games that involve aggressive (Hawk) and passive (Dove) strategies, finding that sometimes, evolutionary populations are mixed. We discuss how such games can help us to predict how behavior might vary across settings. Finally, we consider a game in which there is no evolutionary stable population and discuss an example from nature.

00:00 - Chapter 1. Monomorphic and Polymorphic Populations Theory: Definition
30:50 - Chapter 2. Monomorphic and Polymorphic Populations Theory: Hawk vs. Dove
50:00 - Chapter 3. Monomorphic and Polymorphic Populations Theory: Discussion
55:39 - Chapter 4. Monomorphic and Polymorphic Populations Theory: Identification and Testability

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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19. Paradise Lost, Books XI-XII

Wed, 16 Sep 2026 04:07:30 -0000

Milton (ENGL 220)

Books Eleven and Twelve of Paradise Lost and their radical departure from the poem's previous style are discussed. The transformation of Milton's famously sonorous verse into a more didactic mode is closely documented, and the poem's increasing emphasis on visual instruction is underscored in a study of the Archangel Michael's lesson on the history of the post-fallen world. Considerable time is devoted to both a consideration of Milton's late politics and Book Eleven's depiction of the destruction of paradise.

00:00 - Chapter 1. Introduction: The Last Two Books of "Paradise Lost"
09:00 - Chapter 2. Recap of the Treatise on Licensing
20:03 - Chapter 3. "Paradise Lost" Book XI: A Vision of Michael's History Lesson
38:16 - Chapter 4. "Paradise Lost" Book XII: A Narration of Michael's History Lesson

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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9.6 | What is Statistical Significance? Clinical Trials Explained - Medical Software Course

Wed, 16 Sep 2026 04:00:00 -0000

Have you ever wondered what 'statistically significant' truly means in a clinical trial? In this lesson, we demystify this critical concept, differentiating it from real-world clinical importance. We'll explore the foundational mathematical techniques useful for designing and interpreting clinical trials, including the process of hypothesis testing, the role of p-values, the t-test, and how sample size influences our conclusions. We'll also examine the historical context of the p 0.05 threshold. Our goal is for you to confidently understand the vocabulary and methods behind these crucial statistical analyses.

🎯 Learning Objectives
• Distinguish between real and statistical significance in clinical trials
• Understand the core principles of hypothesis testing, including the null hypothesis
• Explain how p-values are calculated and interpreted to determine statistical significance
• Describe the components and application of an unpaired T-test
• Recognize the impact of sample size on statistical significance and trial power

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12.3 | Avoid Healthcare Startup Failure: Find Your Problem and Customers | Medical Software Course

Wed, 16 Sep 2026 03:10:00 -0000

Are you considering launching a new healthcare venture? In this lesson, we delve into the essential steps for setting up a successful medical software business. We'll explore how to identify critical problems and target paying customers, understand the complex landscape of stakeholders, and navigate crucial regulatory requirements, emphasizing a human-centered design approach to avoid common startup pitfalls.

🎯 Learning Objectives
• Identify the foundational questions for starting a healthcare venture: what problem to solve and for whom.
• Understand the process of finding and validating your first paying customer.
• Learn to conduct stakeholder mapping to identify key influencers and decision-makers.
• Apply human-centered design principles (design thinking) to healthcare product development.
• Recognize the importance of regulatory compliance and assembling a supportive team for entrepreneurial success.

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10.5 | Medical Software's Lifespan: Maintenance and Safe Retirement Strategy | Medical Software Course

Wed, 16 Sep 2026 03:00:00 -0000

Have you considered the full lifespan of medical software beyond its initial release? In this lesson, we delve into the often-overlooked yet critical phases of medical software maintenance and retirement. You'll learn why maintenance is the longest and most challenging part of a software's life, involving continuous updates, bug fixes, and urgent cybersecurity patches. We'll also explore the controlled and deliberate process of retiring software, from providing ample warning to ensuring secure data migration and privacy protection as systems reach their end-of-life.

🎯 Learning Objectives
• Understand the importance and challenges of medical software maintenance throughout its lifecycle.
• Identify the key steps and procedures involved in effective software maintenance, including problem analysis and risk evaluation.
• Recognize the critical role of cybersecurity in continuous software maintenance and vulnerability reporting.
• Explain the structured process of medical software retirement and decommissioning, including providing customer support and safeguarding data privacy.
• Appreciate the complexities of maintaining legacy code and the impact of clean coding practices.

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11.3 | Demystifying Deep Learning: Neural Networks and Med. AI Applications – Medical Software Course

Wed, 16 Sep 2026 02:12:30 -0000

Ever wondered how machines learn to interpret complex data like medical images? In this lesson, Prof. Nicha Dvornek provides a comprehensive introduction to deep learning, a powerful subfield of machine learning inspired by the human brain. We'll explore the foundational concepts of neural networks, understand how different layers like convolutional and recurrent networks process information, and discover their transformative applications across healthcare, from image analysis to genetic data processing.

🎯 Learning Objectives
• Define deep learning as a subfield of machine learning and its neural network foundation.
• Explain the basic computational model of a neuron and how multiple layers form a neural network.
• Understand the purpose and function of various deep learning layers, including convolutional filters, LSTM, dropout, and pooling.
• Identify common neural network architectures, such as the U-Net, and their applications in medical image analysis.
• Discuss the diverse applications of deep learning in healthcare and name popular deep learning toolkits.

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11.1 | Demystifying AI and ML: A Core Introduction for Medical Software Course

Wed, 16 Sep 2026 02:00:00 -0000

What exactly are Artificial Intelligence and Machine Learning, and how do they apply to the critical field of medical software? In this lesson, we dive into the foundational concepts of AI and ML, exploring their definitions, applications, and the unique challenges they present when integrated into healthcare systems. We also touch upon the crucial regulatory aspects and the distinction between supervised learning, classification, and regression. This introduction lays the groundwork for understanding how these powerful technologies are shaping the future of medical diagnostics and treatment.

🎯 Learning Objectives
• Define Artificial Intelligence (AI), Machine Learning (ML), and Deep Learning within the medical software context.
• Understand the fundamental concepts of supervised learning, including its training and application phases.
• Differentiate between classification and regression as common machine learning applications.
• Identify key challenges in implementing machine learning, such as data scarcity, high dimensionality, and overfitting.
• Recognize the importance of regulatory considerations for AI/ML in medical software.

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17. The Peloponnesian War, Part I

Wed, 16 Sep 2026 01:15:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan describes the events that lead up the Peloponnesian War. He argues that the rise of Athenian power and the concomitant challenge to Spartan dominance pointed to potential conflict. However, Professor Kagan also points out that there were many people who did not want war and that therefore war was not inevitable. The Thirty Years Peace was negotiated, and Professor Kagan finally argues that its clause for arbitration was the key clause that could have prevented war.

00:00 - Chapter 1. The Importance of the Peloponnesian War and Its Continuing Value
09:25 - Chapter 2. The Origins of the War
23:37 - Chapter 3. Athens Faces a Critical Decision
30:31 - Chapter 4. Multiple Battles
45:16 - Chapter 5. Reversal of Fortune
56:17 - Chapter 6. The Four Months Truce and Subsequent Thirty Years Peace

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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3. Iterative deletion and the median-voter theorem

Wed, 16 Sep 2026 01:00:00 -0000

Game Theory (ECON 159)

We apply the main idea from last time, iterative deletion of dominated strategies, to analyze an election where candidates can choose their policy positions. We then consider how good is this classic model as a description of the real political process, and how we might build on it to improve it. Toward the end of the class, we introduce a new idea to get us beyond iterative deletion. We think about our beliefs about what the other player is going to do, and then ask what is the best strategy for us to choose given those beliefs?

00:00 - Chapter 1. Iterative Deletion of Dominated Strategies: The Median Voter Theorem
27:25 - Chapter 2. Iterative Deletion of Dominated Strategies: Problems with The Median Voter Theorem
35:07 - Chapter 3. Iterative Deletion of Dominated Strategies: Robustness of The Median Voter Theorem
39:11 - Chapter 4. Best Response

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Fall 2007.

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9.8 | Unmasking Bias: Why Randomization is Crucial in Medical Trials - Medical Software Course

Wed, 16 Sep 2026 00:17:30 -0000

In this lesson, we delve into the critical role of randomization in clinical trials and software validation. Discover how assigning participants by chance eliminates hidden biases and prevents misleading results, as famously illustrated by Simpson's paradox. We'll explore why proper randomization is the gold standard for demonstrating effective interventions in medical and technological studies.

🎯 Learning Objectives
• Understand the fundamental concept of randomization in scientific studies.
• Recognize why randomization is crucial for eliminating hidden biases in drug trials and software validation.
• Learn about Simpson's paradox and how it demonstrates the dangers of failing to randomize.
• Apply the principles of randomization to ensure robust and reliable results in medical software development.

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12.4 | Finding Your First Paying Customer: The Pillpack Success Story | Medical Software Course

Wed, 16 Sep 2026 00:00:00 -0000

Ready to land your first paying customer? In this insightful lesson, we dive deep into the strategic process of acquiring your initial customers, using the compelling case study of Pillpack. Discover how to identify critical pain points, distinguish between customer needs and wants, stratify your market effectively, and target the ideal early adopters who will champion your product, even against established competitors.

🎯 Learning Objectives
• Learn a framework for identifying your first paying customer.
• Differentiate between what customers "need" versus what they "want."
• Understand the significance of market stratification and targeting early adopters.
• Analyze the Pillpack case study to apply customer acquisition strategies.

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11. The Rise of Athens (cont.)

Tue, 15 Sep 2026 23:20:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan traces the development of Athens. He argues that Athens, like other poleis, undergoes political and social turmoil due to the rise of the hoplite farmer. This unrest is first seen in the attempted coup d'état of Cylon and the Law of Draco. Professor Kagan also points out that in response to these developments, Solon was made sole archon of Athens to establish peace in a time of unrest. It should also be noted that Solon established laws that were moderate in nature. Therefore, it comes as no surprise that Solon was only partially successful. Eventually, a tyranny is established in Athens by Peisistratus, but Peisistratus, according to Professor Kagan, was a special type of tyrant, one that not only upheld the new laws of Solon, but was also interested in the welfare of Athens.

00:00 - Chapter 1. The Code of Draco; Athenian Colonies
09:13 - Chapter 2. Crises and the Rise of Athens and Solon as Sole Archon
20:25 - Chapter 3. Choosing Solon
25:49 - Chapter 4. Solon's Economic and Social Measures
37:21 - Chapter 5. Solon's Political Measures
47:22 - Chapter 6. Dissatisfaction and Years of Anarchy
52:48 - Chapter 7. Peisistratus, the Very Special Tyrant

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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23. Twilight of the Polis

Tue, 15 Sep 2026 23:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan describes the growth of a new power: Thebes. Under the leadership of Epaminondas and Pelopidas, Thebes grows into a major power among the Greek cities. In fact, the Thebans even rout the Spartans in a standard hoplite battle in the battle of Leuctra. Finally, Professor Kagan points out that by the time of Theban hegemony, the Greek world had experienced so many wars and conflicts that it opened the door to a powerful leader: Philip of Macedon.

00:00 - Chapter 1. The Rise of Theban Hegemony
14:42 - Chapter 2. The 375 Peace Proposal
21:29 - Chapter 3. Fighting Resumes; The Sacred Band of Thebes and the Battle of Leuctra
39:18 - Chapter 4. The End of Spartan Supremacy and Thebes' Growth
50:01 - Chapter 5. The Great Invasion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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12. The Persian Wars

Tue, 15 Sep 2026 22:22:30 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan examines in detail the development, growing pains, and emergence of Athenian democracy. He argues that the tyranny under the Peisistratids led to the development of the idea of self-government among the Athenians, which Cleisthenes used to develop Athens in a more democratic direction. One of the ways Cleisthenes was able to accomplish this was to diminish the power of the aristocracy by reordering and restructuring the tribes and giving greater power to the assembly. Finally, Professor Kagan says a word on the Athenian practice of ostracism as a political tool to protect a fledgling democracy.

00:00 - Chapter 1. Consequences of Tyranny to Greek Life
12:31 - Chapter 2. Cleisthenes's Coup d'État
23:20 - Chapter 3. Establishing a New Constitution
38:52 - Chapter 4. Key Democratic Elements
01:04:00 - Chapter 5. Ostracism as a Constitutional Device

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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Case Study | Why Healthcare.gov Failed: Lessons in Project Management — Medical Software Course

Tue, 15 Sep 2026 22:00:00 -0000

Have you ever wondered why a massive government website could fail so spectacularly on its launch day? In this lesson, we dive deep into the infamous Healthcare.gov rollout, examining the critical missteps in its development, from an unyielding timeline and insufficient testing to the challenges of implementing an Agile methodology with constantly changing requirements. Discover the key factors that led to its initial disastrous launch and the crucial changes that ultimately brought the project back from the brink.

🎯 Learning Objectives
• Understand the context of Healthcare.gov within the Affordable Care Act.
• Identify the key technical and managerial failures that led to Healthcare.gov's disastrous launch.
• Analyze the impact of a compressed timeline and inadequate end-to-end testing on project success.
• Examine the challenges of implementing an Agile model with constantly changing requirements and a lack of 'done is done' enforcement.
• Learn about the recovery strategies and cultural shifts that ultimately salvaged the Healthcare.gov platform.

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605 | Beyond Numbers: The Soufra Case Study on Measuring Agency - Social Entrepreneurship Course

Tue, 15 Sep 2026 21:49:00 -0000

In this lesson, you'll hear about Soufra, a social enterprise in Lebanon, to explore how successful social impact goes beyond traditional metrics like jobs created or revenue generated. It highlights the critical shift from measuring quantifiable outputs to understanding and quantifying 'agency' – the profound transformation where individuals become self-reliant agents of change, fostering dignity and hope within their community.

🎯 Learning Objectives
• Explore the journey of Soufra, a social enterprise, from its inception to its growth.
• Recognize the limitations of traditional quantitative metrics in capturing profound social change.
• Understand the concept of "agency" as a vital, yet often overlooked, measure of social impact.
• Learn to redefine and develop success metrics that reflect deeper community transformation and empowerment.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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3. Credible Employment

Tue, 15 Sep 2026 21:25:00 -0000

Milton (ENGL 220)

This lecture examines the role and meanings of the word vocation in Milton's life-long meditation on (and concern for) what it means to be chosen by God. Milton's profound anxiety in the years following his graduation from Cambridge regarding his poetic career and, more specifically, his status as a Christian poet selected by God for greatness is outlined. The topic is traced through Milton's polemical treatise The Reason of Church Government, the poem "Ad Patrem," and the author's correspondence. Particular emphasis is placed on Milton's interpretations of the parable of the talents and the parable of the workers in the vineyard. Substantial context on the nature of election and salvation is supplied from the writings of John Calvin and Max Weber.

00:00 - Chapter 1. Milton's Poems as an Autobiography
20:47 - Chapter 2. Milton: A Man Inspired by his Father
32:28 - Chapter 3. Milton's Dilemma: Two Parables

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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11.4 | Navigating AI/ML Regulations: Global Guidance for Medical Software Course

Tue, 15 Sep 2026 21:00:00 -0000

In this lesson, we delve into the evolving landscape of regulatory guidance for artificial intelligence and machine learning in medical software. As AI/ML technologies hold immense promise for healthcare, regulators worldwide are grappling with the challenge of fostering innovation while ensuring patient safety, particularly concerning self-updating algorithms and the critical role of data management. We explore various international frameworks and the complexities of ensuring robust, explainable AI in medical applications.

🎯 Learning Objectives
• Understand the regulatory challenges associated with AI/ML in medical software, balancing innovation with patient safety.
• Identify key aspects of international regulatory guidance from Germany, China, and the FDA, including AI life cycle, data management, and validation.
• Differentiate between interpretable AI and explainable AI in the context of regulatory requirements like the GDPR’s “right to an explanation.”
• Recognize the paradigm shift from code to data as the most critical aspect in developing and regulating machine learning models.
• Explain the importance of robust testing and validation strategies for AI/ML algorithms, including prospective vs. retrospective trials and independent evaluation.

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12.1 | Unlocking Growth: The Key Value Drivers in Digital Medicine | Medical Software Course

Tue, 15 Sep 2026 20:27:30 -0000

In this lesson, we shift from technical aspects to the crucial business side of launching medical software into the real world. Discover the fundamental forces driving the rapid expansion of digital medicine, including patient empowerment, innovative digital therapeutics, continuous data from biomarkers, substantial venture capital funding, and supportive government regulations. This session provides a vital overview of the ecosystem propelling digital health forward.

🎯 Learning Objectives
• Identify the primary value drivers propelling the digital medicine field forward
• Understand the shift towards patient empowerment and its role in healthcare transformation
• Recognize examples of successful digital therapeutics and their impact on patient care
• Explain how digital biomarkers and continuous patient data are revolutionizing medical understanding
• Discuss the influence of venture capital funding and government regulation (FDA) on digital health innovation

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18. Professional Money Managers and Their Influence

Tue, 15 Sep 2026 20:00:00 -0000

Financial Markets (ECON 252)

Most people are not very good at dealing in financial markets. Professional money managers, such as financial advisors and financial planners, assist individuals in matters of personal finance. FINRA and the SEC monitor the activities of these managers in order to protect individual investors. Mutual funds, exchange traded funds also exist to assist individual investments, and pension funds provide further services. These investment institutions help people to put money in diversified portfolios and, in some cases, reap some tax benefits for funding their retirement income.

00:00 - Chapter 1. Introduction
04:01 - Chapter 2. Financial Advisors and Financial Planners
15:20 - Chapter 3. Assets of U.S. Households and Nonprofits
24:09 - Chapter 4. Mutual Funds, ETFs, and Spendthrift Funds
41:53 - Chapter 5. Pension Funds: A History
54:53 - Chapter 6. Modern Innovations for Pension Management: ERISA and Beyond

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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8. Sparta

Tue, 15 Sep 2026 19:30:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Donald Kagan explores the rise, fall, and significance of tyrannies in the Greek polis. He argues that the various tyrannies in the Greek world had both negative and positive aspects, which need to be appreciated. For instance, on the one hand, tyrannies promoted economic, commercial and artistic advances. On the other hand, tyrannies ruled absolutely and curbed the freedom of the polis. Finally, Professor Kagan intimates that tyrannies in many ways were a necessary step in the development of the classical polis. In short, through tyrannies, the power and influence of the aristocracy was broken and the hoplite farmer grew greater in significance.

00:00 - Chapter 1. Theorizing Why the Hoplite Phalanx Was Not Adopted by Others
10:34 - Chapter 2. How Greeks Understood Tyranny
21:15 - Chapter 3. The Rise of Greek Tyranny
40:18 - Chapter 4. Herodotus's Story of Orthagoras at Sicyon
50:25 - Chapter 5. The Story of Gyges and Unconventional Power
54:35 - Chapter 6. Features of Tyrannies
01:08:23 - Chapter 7. Consequences of Tyranny to Greek Life

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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3.6 | Unlock Orbital Speed: Launching Rockets | Rocket Science for Everyone with Marla Geha

Tue, 15 Sep 2026 19:00:00 -0000

Ever wondered how rocket scientists squeeze every bit of speed out of a launch? In this lesson, we explore a clever way to increase a rocket's final velocity: by selecting the optimal launch site on Earth. We'll uncover how taking advantage of our planet's rotation can provide a significant boost to a rocket's delta-v, allowing for more efficient missions.

🎯 Learning Objectives
• Explain how Earth's rotation contributes to a rocket's delta-v.
• Identify the most advantageous location on Earth for a rocket launch to gain maximum speed.
• Describe the optimal launch direction to utilize Earth's rotational motion.
• Recognize the safety considerations for rocket launch sites.
• Provide examples of international rocket launch sites that align with these principles.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #YaleOnline #OrbitalSpeed #RocketLaunch #SpaceScience #STEMEducation #AerospaceEngineering #LearnOnline

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13. Paradise Lost, Book III

Tue, 15 Sep 2026 18:00:00 -0000

Milton (ENGL 220)

In this second lecture on Book Three of Paradise Lost, the dialogue between God and the Son in heaven is explored with particular attention paid to Milton's modification of the Calvinist theory of predestination. The terms and implications of Milton's attempt to justify the ways of God to man are considered. Milton's misgivings regarding the doctrine of the Trinity are examined, and the relationship between his theology and seventeenth-century political movements is expounded upon.

00:00 - Chapter 1. Introduction: Milton's Vindication of God
09:55 - Chapter 2. The Faculty of Free Will
25:52 - Chapter 3. A Dialogue in Heaven between Father and Son

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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16. The Evolution and Perfection of Monetary Policy

Tue, 15 Sep 2026 17:32:30 -0000

Financial Markets (ECON 252)

Central Banks, originally created as bankers' banks, implement monetary policy using their leverage over the supply of money and credit standards. Since the Bank of England was founded in 1694, through the gold standard which lasted until the 1930s, and into modern times, central banks have pursued monetary policy to stabilize the banking system. Central banks monitor currency flows and inflation, acting when crises, such as bank runs, emerged. More recently, central banks have taken an increasingly expansive role in stabilizing economic fluctuations. In the yet to be confirmed current recession, the Federal Reserve has used open market operations and innovative financial arrangements to try to forestall the recession and bail out failing financial institutions.

00:00 - Chapter 1. Introduction: Thoughts on Icahn's Talk
04:49 - Chapter 2. The Gold Standard and the Earliest Central Bank
15:11 - Chapter 3. The Rise of the U.S. Federal Reserve System
25:30 - Chapter 4. The Abandonment of the Gold Standard and Adoption of Central Bank Autonomy
36:30 - Chapter 5. The Federal Funds Rate and Discount Rate
45:00 - Chapter 6. The Fed's Innovations against U.S. and Global Stagflation
01:00:47 - Chapter 7. A Trace though Recent Recessions and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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10.1 | Unlocking Medical Software Validation: Efficacy, FDA, Clinical Eval – Medical Software Course

Tue, 15 Sep 2026 17:00:00 -0000

10.1 | Unlocking Medical Software Validation: Efficacy, FDA & Clinical Evaluation – Medical Software Course
Have you ever wondered what it takes to ensure medical software truly meets patient needs and performs reliably in a clinical setting? In this lesson, we conclude our exploration of the medical software lifecycle by delving into the critical process of validation. We'll uncover how validation goes beyond mere functionality, focusing on the software's ability to deliver clinically meaningful outcomes, guided by FDA principles of efficacy, safety, and security, with a special emphasis on proving efficacy through objective, quantitative criteria.

🎯 Learning Objectives
• Define software validation as distinct from verification, emphasizing its focus on user needs and clinical efficacy.
• Outline the three core components of clinical evaluation for medical software: Valid Clinical Association, Analytical Validation, and Clinical Validation.
• Differentiate between standalone testing and user-plus-system testing in the context of computer-aided diagnosis, and explain their roles in demonstrating clinical performance.
• Explain the importance of independent review in the validation process, particularly for higher-risk medical software, and its implications for AI/machine learning models.

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12.5 | Master the Art of Fundraising:How to Raise Capital for Your Startup | Medical Software Course

Tue, 15 Sep 2026 16:35:00 -0000

In this lesson, we dive deep into the crucial world of raising capital for your medical software venture. Discover when and how to approach different funding stages, from seed rounds to venture capital, and learn the essential strategies for presenting your ideas to investors. We'll explore common reasons why startups fail and equip you with the knowledge to navigate the fundraising landscape successfully, emphasizing the importance of market validation and strategic partnerships.

🎯 Learning Objectives
• Understand key terminology and stages in capital raising, including seed, angel, venture capital, and private equity.
• Identify the primary reasons why startups fail and how to mitigate these risks.
• Develop effective strategies for pitching your medical software venture to potential investors.
• Explore alternative funding sources such as grants, accelerators, and incubators.
• Recognize the critical importance of early sales, market validation, and fair team equity distribution in securing investment.

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8. Human Foibles, Fraud, Manipulation, and Regulation

Tue, 15 Sep 2026 16:00:00 -0000

Financial Markets (ECON 252)

Regulation of financial and securities markets is intended to protect investors while still enabling them to make personal investment decisions. Psychological phenomena, such as magical thinking, overconfidence, and representativeness heuristic can cause deviations from rational behavior and distort financial decision-making. However, regulation and regulatory bodies, such as the SEC, FDIC, and SIPC, most of which were created just after the Great Depression, are intended to help prevent the manipulation of investors' psychological foibles and maintain trust in the markets so that a broad spectrum of investors will continue to participate.

00:00 - Chapter 1. Introduction
03:24 - Chapter 2. Human Errors in Financial Decision-Making
22:34 - Chapter 3. Why Regulation of Finance Is Necessary
27:51 - Chapter 4. The Rise of the Securities and Exchange Commission
39:18 - Chapter 5. Regulation of Private Investments and Hedge Funds
49:14 - Chapter 6. Nongovernmental Surveillance of Insider Trading and Accounting Regulation
59:45 - Chapter 7. Protections for the Individual Investor: the SIPC and the FDIC
01:10:38 - Chapter 8. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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4.1 | Understanding Satellite Payloads | Rocket Science for Everyone with Marla Geha

Tue, 15 Sep 2026 15:37:30 -0000

Have you ever wondered what exactly is inside the satellites orbiting Earth and what their purpose is? In this lesson, we explore satellite payloads, the crucial instruments and components that make satellites function. We'll identify common elements like solar panels and the satellite bus, and then delve into the vast array of missions satellites undertake, from providing internet and GPS to monitoring weather and conducting scientific research, highlighting how each mission shapes its unique payload.

🎯 Learning Objectives
• Define what constitutes a satellite payload.
• Identify common structural and power components of a satellite, such as solar panels and the satellite bus.
• Describe the wide variety of missions satellites undertake, including communication, navigation, Earth monitoring, and scientific research.
• Explain how the specific goals of a satellite's mission dictate its payload requirements.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #YaleOnline #SatellitePayloads #SpaceScience #STEMEducation #AerospaceEngineering #LearnOnline

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Class 5 - Shruti Puri: Erasure Errors and Rydberg Atoms

Tue, 15 Sep 2026 15:00:00 -0000

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2.6 | AI and Machine Learning in Medicine: Emerging Issues and FDA Regulations | Medical Software Course

Tue, 15 Sep 2026 14:40:00 -0000

In this lesson, we dive into the exciting yet complex world of artificial intelligence and machine learning in medicine. We explore the foundational role of vast, high-quality data in AI's success, alongside the unique regulatory challenges posed by self-updating AI algorithms in medical software.

🎯 Learning Objectives
• Explain the role of deep learning in the current excitement around AI/ML.
• Identify the critical importance of data (clean, annotated, diverse) for AI/ML model training.
• Discuss the regulatory challenges posed by adaptive AI/ML software in medical devices.
• Outline the FDA's proposed frameworks and initiatives, like the Precertification Program, for regulating AI/ML medical software.

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905 | What Legal Structure is Best for Your Social Enterprise? - Social Entrepreneurship Course

Tue, 15 Sep 2026 14:00:00 -0000

Considering starting a social enterprise but unsure about the legal framework? In this lesson, we explore the diverse legal structures available for organizations, from leveraging existing entities and fiscal sponsorship to registering new charities or businesses. We also delve into modern hybrid and specialized social enterprise forms, offering key insights for navigating the legal landscape.

🎯 Learning Objectives
• Understand alternatives to forming a new organization, such as intrapreneurship or fiscal sponsorship.
• Identify common legal structures for charities and businesses, including country-specific examples.
• Explore hybrid models and cooperative structures for social enterprises.
• Learn about emerging legal forms specifically designed for social enterprises, like Benefit Corporations and Community Interest Companies.
• Recognize the importance of consulting local experts and peers when choosing a legal structure.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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16. The Great War, Grief, and Memory (Guest Lecture by Bruno Cabanes)

Tue, 15 Sep 2026 13:49:00 -0000

France Since 1871 (HIST 276)

The human cost of World War I cannot be understood only in terms of demographics. To better understand the consequences of the war upon both soldiers and civilians it is necessary to consider mourning in its private, as well as its public dimensions. Indeed, for many French people who lived through the war, public spectacles of bereavement, such as the Unknown Soldier, were also conceived of as intensely private affairs. Both types of mourning are associated with a wide variety of rituals and procedures.

00:00 - Chapter 1. Personal and Communal Mourning: Modes of Cultural Grief During and After the Great War
05:39 - Chapter 2. Communities in Mourning: Social Circles of Grief
15:57 - Chapter 3. Specificities of the Great War Experience: The Lost Generation, the Lost Bodies
27:53 - Chapter 4. Rites of Collective Mourning: Creating National Unity through Commemoration

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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5. Telling a Free Story: Fugitive Slaves and the Underground Railroad in Myth and Reality

Tue, 15 Sep 2026 13:42:30 -0000

The Civil War and Reconstruction (HIST 119)

Professor Blight discusses the rise of abolitionism. Blight begins with an introduction to the genre of slave narratives, with particular attention to Frederick Douglass' 1845 narrative. The lecture then moves on to discuss the culture in which antebellum reform grew--the factors that encouraged its growth, as well as those that retarded it. Professor Blight then describes the movement towards radical abolitionism, stopping briefly on colonization and gradualism before introducing the character and ideology of William Lloyd Garrison.

00:00 - Chapter 1. Frederick Douglass and the Slave Narrative
09:46 - Chapter 2. The Development of Abolitionism in the North
22:37 - Chapter 3. Colonization and the Idea of Gradualism
30:18 - Chapter 4. The Radicalization of Anti-slavery Thinkers
38:43 - Chapter 5. The Ideas of William Lloyd Garrison
46:42 - Chapter 6. Concluding Thoughts on Different Abolitionisms

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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1. Finance and Insurance as Powerful Forces in Our Economy and Society

Tue, 15 Sep 2026 13:00:00 -0000

Financial Markets (ECON 252)

Professor Shiller provides a description of the course, Financial Markets, including administrative details and the topics to be discussed in each lecture. He briefly discusses the importance of studying finance and each key topic. Lecture topics will include: behavioral finance, financial technology, financial instruments, commercial banking, investment banking, financial markets and institutions, real estate, regulation, monetary policy, and democratization of finance.

00:00 - Chapter 1. Introduction to the Course
11:24 - Chapter 2. Textbooks and Course Logistics
24:05 - Chapter 3. Technology and the Subprime Crisis
31:19 - Chapter 4. Is Studying Finance Moral?
46:44 - Chapter 5. Topics Covered in the Course

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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9. Biomolecular Engineering: Engineering of Immunity

Tue, 15 Sep 2026 12:45:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman talks about the importance of vaccines, and particularly the role of bioengineering in vaccine development. He first addresses the question of "what is a vaccine" and the role of the immune system. He then describes the biological basis, symptoms, and history of smallpox as a devastating disease worldwide, and how--starting with the work of Edward Jenner--an effective vaccine was systematically developed from cow lesions. Next, methods to deliver vaccine to a wide population are introduced. Finally, Professor Saltzman touches on the possible reemergence of smallpox as weapon for bioterrorism.

00:00 - Chapter 1. Introduction
04:42 - Chapter 2. Vaccine
13:56 - Chapter 3. Smallpox and History of Early Vaccine Development
29:05 - Chapter 4. History of Modern Smallpox Vaccinations
41:27 - Chapter 5. Threat of Bioterrorism and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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9. Sparta (cont.)

Tue, 15 Sep 2026 12:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Donald Kagan explores the development and character of Sparta. He points out that in Sparta, the ethos of the polis was present to an extraordinary degree. Then he describes how this came about. In short, Professor Kagan argues that the Spartans were able to create a distinct military culture on account of their subjugation of the inhabitants of Messenia, who were forced to carry on the work of farming while the Spartans trained for war. Finally, Professor Kagan examines the education and training of the Spartan citizen as well as the constitution of Sparta.

00:00 - Chapter 1. An Introduction to Sparta and Its Roots
20:34 - Chapter 2. Understanding Spartan Slavery and Its Implications
25:25 - Chapter 3. The Training and Education of a Spartan Boy
43:13 - Chapter 4. Sameness, Contradiction and Inequality
49:44 - Chapter 5. Women's Roles in Spartan Society
57:48 - Chapter 6. The Importance of the Polis and Its Needs
01:07:01 - Chapter 7. The Formal Spartan Constitution

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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2.2 | Medium Earth Orbit and GPS | Rocket Science for Everyone with Yale’s Marla Geha

Tue, 15 Sep 2026 11:47:30 -0000

Ever wondered how your phone knows exactly where you are, even in the middle of nowhere? In this lesson, we delve into the world of Medium Earth Orbit (MEO), a fascinating region of space located between 2,000 and 35,000 km above Earth. While far fewer satellites reside here compared to Low Earth Orbit (LEO), MEO is the critical home for Global Positioning System (GPS) satellites, despite the challenges posed by the treacherous Van Allen Belts. Discover why these navigation powerhouses orbit at 20,000 km, how they use precise timing and triangulation to pinpoint your location, and the global reliance on this vital technology.

🎯 Learning Objectives
• Identify the characteristics and challenges of Medium Earth Orbit (MEO), including the role of the Van Allen Belts.
• Explain why MEO is the optimal orbit for Global Positioning System (GPS) satellites.
• Describe the core mechanism by which GPS satellites determine a user's location through precise timing and triangulation.
• Recognize the global importance and widespread applications of GPS technology.
• Name other international satellite navigation systems beyond GPS.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #YaleOnline #MEOSatellites #GPS #SpaceScience #STEMEducation #LearnOnline

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21. Forwards and Futures

Tue, 15 Sep 2026 11:00:00 -0000

Financial Markets (ECON 252)

Futures markets were started in Osaka, Japan in the 1600s to create an authoritative and meaningful market price for agricultural products, using standardized contracts. Since then, futures markets have been copied around the world to allow the hedging various future risks, financial and other. In the United States, the Chicago Mercantile Exchange and the Chicago Board of Trade have been the most popular futures trading markets. Although futures markets are changing and becoming more electronic, they are still important risk management tools for farmers and present financial opportunities for all manner of hedgers and arbitrageurs.

00:00 - Chapter 1. Introduction: Thoughts on Guest Speakers
07:23 - Chapter 2. From Osaka's Rice Warehouses: The Development of the Forward and Futures Market
24:47 - Chapter 3. Forward Contracts for Currency Exchange and Interest Rates
35:30 - Chapter 4. The Completely Financial Futures Market
51:44 - Chapter 5. A Case Study of Futures: The Price of Wheat and the Question of Storage
01:00:47 - Chapter 6. Backwardation and Spot Premiums

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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2. The Universal Principle of Risk Management: Pooling and the Hedging of Risks

Tue, 15 Sep 2026 10:50:00 -0000

Financial Markets (ECON 252)

Statistics and mathematics underlie the theories of finance. Probability Theory and various distribution types are important to understanding finance. Risk management, for instance, depends on tools such as variance, standard deviation, correlation, and regression analysis. Financial analysis methods such as present values and valuing streams of payments are fundamental to understanding the time value of money and have been in practice for centuries.

00:00 - Chapter 1. The Etymology of Probability
10:01 - Chapter 2. The Beginning of Probability Theory
15:38 - Chapter 3. Measures of Central Tendency: Independence and Geometric Average
33:12 - Chapter 4. Measures of Dispersion and Statistical Applications
50:39 - Chapter 5. Present Value
01:03:46 - Chapter 6. The Expected Utility Theory and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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4. The Rise of the Polis

Tue, 15 Sep 2026 10:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Donald Kagan offers a sketch of the Greek heroic code of ethics. He shows that in this community, arête (manly virtue) and honor are extremely important and even worth dying for, as the case of Achilles makes clear. In addition, Professor Kagan shows how this society eventually produced a new phenomenon, the rise of the polis. The discussion ends with a strong emphasis on the importance of the polis in Greek history.

00:00 - Chapter 1. Defining Arête
10:48 - Chapter 2. Impacts on Western Civilization
36:02 - Chapter 3. The Rise of the Polis
45:41 - Chapter 4. The Features and Importance of the Polis

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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12.2 | Healthcare's Shifting Landscape: New Business Models Led by Software| Medical Software Course

Tue, 15 Sep 2026 09:52:30 -0000

How are healthcare business models adapting to a rapidly changing world? In this lesson, we explore the significant drivers behind the evolution of healthcare business models, from increasing costs and technological advancements to new approaches like value-based care. We'll examine various strategic models adopted by health systems and delve into the impact of patient-driven technologies and the role of software in fostering sustainable innovation.

🎯 Learning Objectives
• Understand the forces driving changes in healthcare business and revenue models.
• Identify and differentiate between key strategic models for health systems, such as leader, experience, integrator, and manager.
• Explore the concepts of value-based healthcare and the learning healthcare system, recognizing their impact on patient outcomes and cost.
• Recognize how patient-driven technologies and on-demand healthcare are empowering consumers and transforming service delivery.
• Learn about the RAPID framework for achieving sustainable innovation in healthcare through regulatory, alternatives, patients, innovation, and data considerations.

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Case Study | The Therac-25 Tragedy: Software Errors Led to Fatal Overdoses | Medical Software Course

Tue, 15 Sep 2026 09:00:00 -0000

In this lesson, we delve into the infamous Therac-25 case study, a sobering example of how medical software development can go catastrophically wrong. We will explore the series of software failures in a radiation therapy machine that led to multiple patient injuries and deaths from massive radiation overdoses, highlighting critical issues in design, testing, user interface, and the manufacturer's response, ultimately shaping modern medical device regulations.

🎯 Learning Objectives
• Understand the critical role of software in medical device safety and the potential for catastrophic failure
• Analyze the specific technical and procedural failures that led to the Therac-25 radiation overdose incidents
• Identify the organizational and regulatory shortcomings in the response to early complaints and incidents
• Explain how the Therac-25 case study significantly impacted medical device development, testing, and regulatory processes

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23. Options Markets

Tue, 15 Sep 2026 08:55:00 -0000

Financial Markets (ECON 252)

Options introduce an essential nonlineary into portfolio management. They are contracts between buyers and writers, who agree on exercise prices and dates at which the buyer can buy or sell the underlying (such as a stock). Options are priced based on the price and volatility of the underlying asset as well as the duration of the option contract. The Black-Scholes options pricing model is one of the most famous equations in finance and offers a useful first approximation for prices for option contracts. Options exchanges and futures exchanges both are involved in creating a liquid and transparent market for options. Options are not just for stocks; they are also important for other asset classes, such as real estate.

00:00 - Chapter 1. Options Vocabulary and the 1720 Stock Market Crash
14:58 - Chapter 2. The Standardization and Logic of Options: Options Exchanges
27:57 - Chapter 3. The Put-Call Parity Relation
36:32 - Chapter 4. Pricing an Option: The Black-Scholes Formula
51:35 - Chapter 5. Accounting for Volatility in the Black-Scholes Formula
01:00:08 - Chapter 6. Options on Home Prices as Risk Management

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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2.1 | Low Earth Orbit: LEO Satellites and Speed | Rocket Science for Everyone with Yale’s Marla Geha

Tue, 15 Sep 2026 08:00:00 -0000

In this lesson, we embark on a fascinating journey into Low Earth Orbit (LEO), the closest region of space to Earth, home to iconic residents like the International Space Station and the Hubble Space Telescope. Explore the unique properties of LEO, from the astonishing speeds of its inhabitants to the critical challenges posed by atmospheric drag, increasing satellite traffic, and the potential for catastrophic collisions, all while uncovering the motivations behind the rise of megaconstellations like Starlink.

🎯 Learning Objectives
• Define Low Earth Orbit (LEO) and identify its most famous residents.
• Explain the phenomenon of atmospheric drag and its impact on LEO satellites.
• Calculate the orbital speed of a LEO satellite and understand the implications of high-speed collisions.
• Describe the challenges of crowding in LEO, including the Kessler syndrome and collision avoidance measures.
• Understand the purpose and characteristics of satellite constellations in LEO.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #OnlineLearning #RocketScienceForEveryone #YaleOnline #LEOSatellites #LowEarthOrbit #SpaceScience #STEMLearning

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3.7 | Electric, Nuclear and Solar Rockets | Rocket Science for Everyone with Marla Geha

Tue, 15 Sep 2026 07:57:30 -0000

Ever wondered what propels spacecraft beyond the initial launch? While chemical rockets are crucial for getting off Earth, this lesson delves into three fascinating alternatives used once in orbit: electric (ion) propulsion, nuclear thermal rockets, and solar sails. Discover how each method works, their unique advantages for different space missions, and their limitations compared to traditional chemical propulsion.

🎯 Learning Objectives
• Explain why alternative propulsion methods are necessary for spacecraft once in orbit.
• Describe the mechanism and applications of electric (ion) propulsion systems.
• Understand the principles and potential uses of nuclear thermal rockets for deep space travel.
• Grasp how solar sails generate thrust and their suitability for long-duration voyages.
• Compare the advantages and limitations of electric, nuclear, and solar propulsion methods.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #SpacePropulsion #ElectricRockets #NuclearRockets #SolarPropulsion

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25. Biomedical Engineers and Artificial Organs

Tue, 15 Sep 2026 07:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

In this final lecture, Professor Saltzman talks about artificial organs, with a stress on synthetic biomaterials. First, the body's responses (immunological and scar healing responses) to foreign materials are introduced. This leads to discussion of different types of polymer/plastic materials (i.e., Dacron and GORE-TEX) and their properties. Next, Professor Saltzman talks about the design and function of some artificial organs, such as lens implants, heart valves and vessels, hip, dialyzer, heart/lung bypass machine, and the artificial heart. Lastly, challenges and areas for improvement in the field are presented.

00:00 - Chapter 1. Introduction to Biomaterials
03:15 - Chapter 2. Polymers
15:50 - Chapter 3. Threat of Coagulation and Clotting
22:22 - Chapter 4. Physical Responses to Biomaterials
27:41 - Chapter 5. Joint Replacement Using Biomaterials
38:01 - Chapter 6. Dialysis
43:51 - Chapter 7. Artificial Organs and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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2.4 | LEO, MEO, GEO: Comparing Earth’s Orbits | Rocket Science for Everyone with Yale’s Marla Geha

Tue, 15 Sep 2026 07:00:00 -0000

In this lesson, we conduct a comprehensive comparison of Low Earth Orbit (LEO), Medium Earth Orbit (MEO), and Geosynchronous Earth Orbit (GEO) regions. We explore the distribution and functions of satellites within each orbit, analyze the optimal placement for Earth imaging and communication, and discuss critical considerations like latency and end-of-life protocols, ultimately highlighting how the best orbit depends on specific mission goals.

🎯 Learning Objectives
• Compare the satellite populations and primary functions in Low Earth Orbit (LEO), Medium Earth Orbit (MEO), and Geosynchronous Earth Orbit (GEO).
• Analyze how orbital altitude impacts Earth imaging, considering field of view and resolution.
• Explain the concept of latency in satellite communication and its relevance for different orbital regions.
• Outline the distinct end-of-life procedures for satellites in LEO, MEO, and GEO.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #RocketScienceForEveryone #YaleOnline #LEOMEOGEO #OrbitalRegions #SpaceScience #STEMEducation #LearnOnline

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2.7 | Deeper Dive: Kepler’s Law and Orbits | Rocket Science for Everyone with Yale’s Marla Geha

Tue, 15 Sep 2026 06:02:30 -0000

In this deeper dive, we explore practical applications of fundamental physics in rocket science. Learn how scientific notation simplifies complex numbers, and delve into the intricacies of Kepler's Third Law. We'll walk through step-by-step calculations for various real-world satellites, from Sputnik and the ISS to Hubble, GPS, and geosynchronous orbits, demonstrating how to determine orbital heights, velocities, and periods.

🎯 Learning Objectives
• Apply scientific notation to handle very large and small numbers in physics calculations.
• Utilize Kepler's Third Law to calculate orbital properties such as semi-major axis, period, and height.
• Perform consistent unit conversions to ensure accuracy in complex scientific equations.
• Determine the orbital velocity of satellites in low Earth orbit.
• Calculate the required orbital distance for geosynchronous satellites based on their period.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #SpaceExploration #KeplersLaw #SatelliteOrbits #STEMEducation #AstronomyCourse #SpaceScience #OnlineLearning #Physics

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22. The Struggle for Hegemony in Fourth-Century Greece (cont.)

Tue, 15 Sep 2026 06:00:00 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan examines the continuation of Spartan tyranny over the Greek poleis and the response of the Greek world. According to Professor Kagan, it became clear that the Greek poleis needed to do something to check the power of Sparta. So, Thebes, Argos, Corinth, and Athens along with some of the smaller poleis joined together to fight Sparta in the Corinthian War. The war ended in a stalemate, but now the Persians were afraid of the growth of Athenian naval power. So, the king made an alliance with Sparta to bring about the King's Peace, which emphasized Greek autonomy and which had the effect of breaking up all alliances, except the Peloponnesian League. After this fact, Sparta continued in its tyrannical behavior.

00:00 - Chapter 1. The Greek Mercenary Army and the March of the 10,000
08:46 - Chapter 2. Further Hostilities
21:32 - Chapter 3. The Corinthian War
40:12 - Chapter 4. Iphicrates's Light-Armed Troops; Conon's Fleet
51:06 - Chapter 5. The War Comes to an End

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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702 | How Do Social Enterprises Make Money? Revenue Models - Social Entrepreneurship Course

Tue, 15 Sep 2026 05:49:00 -0000

In this lesson, discover the diverse landscape of revenue models that fuel social entrepreneurship. We'll explore how social enterprises generate income, from serving large volumes of low-income customers to implementing differential pricing, leveraging various forms of cross-subsidization, and even considering cost reduction as a primary strategy. Understand the spectrum of financial viability approaches, including hybrid models and grant-based systems, and see how traditional businesses can also integrate social impact.

🎯 Learning Objectives
• Identify and differentiate between high volume, low-cost and differential pricing revenue models.
• Explain various forms of cross-subsidization, including the “Buy One, Give One” model, and their implications.
• Understand how hybrid/mixed models and grant-based approaches contribute to financial viability in social entrepreneurship.
• Recognize cost reduction as a key strategy for financial sustainability within social ventures.
• Explore the concept of responsible business within the social entrepreneurship spectrum.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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3.1 | Newton's Laws: How Rockets Fly and Why! | Rocket Science for Everyone with Yale's Marla Geha

Tue, 15 Sep 2026 05:05:00 -0000

How do rockets defy gravity and launch payloads into orbit? In this lesson, we finally delve into the physics behind rocket science by exploring Newton's three fundamental laws of motion. We'll compare the mechanics of rockets with those of airplanes, uncovering why rockets are uniquely suited for space travel and how Newton's principles of force, mass, and acceleration dictate their incredible journey.

🎯 Learning Objectives
• Understand the extreme speeds and forces required for orbital flight
• Differentiate between airplane and satellite motion, considering altitude, speed, and engine usage
• Explain Newton's First Law of Motion and its concept of inertia
• Apply Newton's Third Law to understand how rockets generate thrust
• Describe how Newton's Second Law relates force, mass, and acceleration in rocket propulsion

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #RocketScience #NewtonsLaws #RocketLaunch #STEMEducation #AstronomyCourse #SpaceExploration #Physics #SpaceScience #OnlineLearning #YaleOnline

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2.3 | Satellites That Never Move? GEO Orbits | Rocket Science for Everyone with Yale’s Marla Geha

Tue, 15 Sep 2026 05:00:00 -0000

Have you ever wondered how satellites provide constant TV signals or real-time weather updates? In this lesson, we venture further from Earth to explore Geosynchronous Earth Orbits (GEO) and the incredibly valuable subset, geostationary orbits. Discover why these satellites appear to 'hover' over a single point on Earth, their crucial applications from communication to surveillance, and the unique challenges and solutions for managing them in space.

🎯 Learning Objectives
• Understand the definition and distinction between geosynchronous and geostationary orbits.
• Explain how Kepler's Third Law relates to the orbital period and distance of GEO satellites.
• Identify the practical benefits and applications of geostationary satellites, such as communication and Earth monitoring.
• Discuss the challenges of operating satellites in GEO, including communication delays and radiation.
• Describe the allocation of geostationary slots and the concept of graveyard orbits for end-of-life satellites.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #YaleOnline #GEOSatellites #GeosynchronousOrbit #SpaceScience #STEMEducation #LearnOnline

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24. Twilight of the Polis (cont.) and Conclusion

Tue, 15 Sep 2026 04:07:30 -0000

Introduction to Ancient Greek History (CLCV 205)

In this lecture, Professor Kagan tells the story of the rise of Philip and describes his early actions: unifying Macedon, defeating barbarian armies, and creating a new, professional, national army. According to Professor Kagan, through these actions, Philip was able to make inroads into the Greek world. What made these inroads more effective was Philip's uncanny talent for diplomacy and the fighting between the various poleis. Eventually, the Greeks under the efforts of Athens and Demosthenes decided to face Philip in the battle of Chaeronea. The battle, though close, was won by Philip and his Macedonian forces. Finally, Professor Kagan evaluates the actions of Demosthenes and concludes that his actions should be judged as a noble endeavor of one who loved freedom.

00:00 - Chapter 1. The Rise of Philip of Macedon
10:56 - Chapter 2. Philip, the Military Genius
24:52 - Chapter 3. Philip, the Diplomat
31:29 - Chapter 4. Philip's Expansion
38:17 - Chapter 5. Athens' War Tax and Demosthenes' Opposition to Philip
52:29 - Chapter 6. Increased Threats from Philip and Athens' Response
01:03:09 - Chapter 7. Demosthenes' Stand and The Battle of Chaeronea

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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4. Portfolio Diversification and Supporting Financial Institutions (CAPM Model)

Tue, 15 Sep 2026 04:00:00 -0000

Financial Markets (ECON 252)

Portfolio diversification is the most fundamental concept of risk management. The allocation of financial resources in stocks, bonds, riskless, assets, oil and other assets determine the expected return and risk of a portfolio. Taking account of covariances and expected returns, investors can create a diversified portfolio that maximizes expected return for a given level of risk. An important mission of financial institutions is to provide portfolio-diversification services.

00:00 - Chapter 1. Introduction
02:37 - Chapter 2. Evaluation of Efficient Portfolio Frontiers
26:59 - Chapter 3. The Significance of Portfolio Diversification
38:43 - Chapter 4. The Tangency Portfolio and the Mutual Fund Theory
51:46 - Chapter 5. The Capital Asset Pricing Model
59:09 - Chapter 6. Implications of the Equity Premium and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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19. Biomechanics and Orthopedics (cont.)

Tue, 15 Sep 2026 03:10:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman begins the lecture with discussion of the importance of motion for the survival and propagation of any living species. He presents the different modes of motion, taking first the example flight to talk about force balance, such as the magnitude of propulsive force that must be generated overcome drag to produce forward motion. Next, the mechanics of walking, running, cycling and swimming is discussed, with emphasis on efficient use of energy, overcoming drag and friction, and the influence of organism shape and size. An equation to calculate drag force of a spherical object of radius, r, moving at velocity, v, in a medium with viscosity, μ, is introduced: Fd = 6πvμr. Finally, Professor Saltzman talks about design of the artificial hip, which biomedical engineers must take into consideration the biomechanics and natural function of the pelvic bone.

00:00 - Chapter 1. Introduction to Locomotion
09:10 - Chapter 2. The Mechanics of Flight
18:28 - Chapter 3. The Physics of Walking
26:53 - Chapter 4. Efficiencies of Walking, Running, Cycling
37:56 - Chapter 5. Mechanics and Efficiency of Swimming
45:04 - Chapter 6. Design in Biomechanics and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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3.2 | Why Doctors Hate EHRs? Understanding Clinical IT | Medical Software Course

Tue, 15 Sep 2026 03:00:00 -0000

Have you ever wondered what technological infrastructure supports most hospitals and healthcare settings today? In this lesson, we dive into Clinical Information Technology (IT), with a primary focus on Electronic Health Records (EHRs). We'll examine the core components and purpose of EHRs, their historical transition from paper records, and the controversial impact they've had on clinician workflows—including insights into why doctors resisted them—alongside their immense benefits for patient data management and medical research. We'll also explore the common network protocols, like HL7, that enable these crucial systems.

🎯 Learning Objectives
• Define Clinical Information Technology (IT), Electronic Health Records (EHRs), and Electronic Medical Records (EMRs).
• Understand the purpose and key components of EHR systems in modern healthcare.
• Discuss the challenges and benefits of EHR adoption from both clinician and patient perspectives.
• Identify HL7 as a primary network protocol for interfacing with EHR systems.

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1.4 | Earth’s Orbital Regions | LEO, MEO, GEO in Rocket Science for Everyone with Yale’s Marla Geha

Tue, 15 Sep 2026 02:12:30 -0000

Where do satellites orbit? In this lesson, we define the various regions around Earth where satellites and space debris are found, including Low Earth Orbit (LEO), Medium Earth Orbit (MEO), and Geosynchronous Orbit (GEO). Discover what types of objects inhabit these regions and their practical applications, from the International Space Station to GPS and weather satellites.

🎯 Learning Objectives
• Define Low Earth Orbit (LEO) and identify objects found within it.
• Understand Medium Earth Orbit (MEO) and its practical applications like GPS.
• Explain Geosynchronous Orbit (GEO) and its common uses for communication satellites.
• Distinguish between the different orbital regions based on their altitudes.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #YaleOnline #SpaceScience #LEO #MEO #GEO #SatelliteScience #STEMEducation #LearnOnline

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3.1 | Unpacking the Clinical Environment: Users, Buyers and Regulations — Medical Software Course

Tue, 15 Sep 2026 02:00:00 -0000

Have you ever wondered about all the hidden layers of the healthcare system that medical software must navigate? In this lesson, we dive deep into the clinical environment, exploring the constraints it imposes and identifying the diverse stakeholders involved beyond just patients and doctors. We'll also examine the critical role of associated technologies like EHR and imaging databases, and the pervasive importance of data privacy, security, and cybersecurity regulations, underscoring that no medical software is an island. We further explore the often-complex relationship between the software user and the ultimate customer or payer.

🎯 Learning Objectives
• Understand the constraints and complexities of the clinical environment for medical software development.
• Identify the diverse range of stakeholders in the healthcare system, beyond just patients and doctors.
• Recognize the critical role of data privacy, security, and cybersecurity regulations (e.g., HIPAA, GDPR) in medical software.
• Appreciate that medical software is typically part of a larger workflow and requires integration with other systems and standards.
• Differentiate between the end-user and the purchaser of medical software and its implications for product design.

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Class 6 - Aleksander Kubica: Decoding Problem and Statistical-Mechanical Mapping

Tue, 15 Sep 2026 01:15:00 -0000

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3.3 | Demystifying Medical Imaging: PACS, DICOM, and Data in Healthcare IT | Medical Software Course

Tue, 15 Sep 2026 01:00:00 -0000

Have you ever wondered about the technology behind medical images that doctors use to diagnose and treat patients? In this lesson, we dive deep into Clinical IT II, focusing specifically on medical imaging. We'll explore the historical evolution of imaging modalities, from the discovery of X-rays to modern MRI, and unpack the critical IT infrastructure like PACS and DICOM that manage vast amounts of medical image data. Understanding how these systems work and the unique characteristics of medical image data, including metadata and orientation, is essential for anyone working with healthcare technology.

🎯 Learning Objectives
• Trace the historical development of key medical imaging modalities.
• Define the roles of PACS and DICOM in modern clinical radiology.
• Describe the hierarchical structure of medical imaging data: patient, study, series, and instance.
• Explain the unique characteristics of medical image data, including pixels, voxels, and essential metadata.
• Interpret common medical image orientations like LPS and RAS.

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9. Guest Lecture by David Swensen

Tue, 15 Sep 2026 00:17:30 -0000

Financial Markets (ECON 252)

David Swensen, Yale's Chief Investment Officer and manager of the University's endowment, discusses the tactics and tools that Yale and other endowments use to create long-term, positive investment returns. He emphasizes the importance of asset allocation and diversification and the limited effects of market timing and security selection. Also, the extraordinary returns of hedge funds, one of the more recent phenomena of portfolio management, should be looked at closely, with an eye for survivorship and back-fill biases.

00:00 - Chapter 1. Introduction: Changing Institutional Portfolio Management
03:59 - Chapter 2. Asset Allocation: The Power of Diversification
16:44 - Chapter 3. Balancing the Equity Bias into Sensible Diversification
20:48 - Chapter 4. The Emotional Pitfalls of Market Timing
32:58 - Chapter 5. Survivorship and Backfill Biases in Security Selection
43:17 - Chapter 6. Finding Value Investing Opportunities as an Active Manager
49:02 - Chapter 7. Yale's Portfolio and Results
54:48 - Chapter 8. Questions on New Investments, Remaining Bullish, and Time Horizons

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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3. Genetic Engineering

Tue, 15 Sep 2026 00:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman introduces the elements of molecular structure of DNA such as backbone, base composition, base pairing, and directionality of nucleic acids. He describes the processes of DNA synthesis, transcription, RNA splicing, translation, and post-translational processing required to make a protein such as insulin from its genetic code (DNA). Professor Saltzman describes the genetic code. RNA interference is also discussed as a way to control gene expression, which can be applied as a new way to treat diseases.

00:00 - Chapter 1. Introduction
01:35 - Chapter 2. Building Blocks of DNA
11:17 - Chapter 3. Structure of DNA and RNA
24:16 - Chapter 4. Central Dogma and DNA Synthesis
35:15 - Chapter 5. Genetic Code and Protein Synthesis
41:55 - Chapter 6. Control of Gene Expression

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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4.4 | Hubble to Your Phone: Space Cameras | Rocket Science for Everyone with Yale’s Marla Geha

Tue, 15 Sep 2026 00:00:00 -0000

Have you ever wondered how satellites capture those breathtaking images of distant galaxies or detailed views of Earth? In this lesson, we delve into the fascinating world of imaging cameras onboard satellites. Discover how these sophisticated instruments, surprisingly similar to your cell phone camera, utilize digital technology and silicon detectors to capture everything from cosmic wonders to real-time weather patterns and even track events like forest fires, fundamentally transforming our understanding of our planet and the universe.

🎯 Learning Objectives
• Identify the primary functions and diverse applications of satellite imaging cameras.
• Explain the core mechanism of digital cameras, including the role of pixels and silicon detectors.
• Differentiate between optical and infrared imaging and their respective benefits in remote sensing applications.
• Understand how images captured by satellites are converted into numerical data for transmission and reconstruction.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #SpaceCameras #HubbleTelescope #DigitalImaging #Education #STEMEducation #AerospaceEngineering

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Module 7 | Trishan Panch on Sustainable Business Models - Social Entrepreneurship Interview

Mon, 14 Sep 2026 23:20:00 -0000

Why is financial viability crucial for social impact? In this interview, entrepreneur Trishan Panch unpacks his journey, revealing how he learned to balance social good with sustainable business models. From linear healthcare services to free open-source technology and finally to his successful for-profit venture, Wellframe, Panch demonstrates that true scalability often hinges on finding a "theory of change that someone's willing to pay for."

🎯 Learning Objectives
• Understand how financial viability underpins sustainable social impact.
• Differentiate between linear and scalable models in social entrepreneurship.
• Explore the challenges and opportunities of for-profit vs. non-profit approaches to social innovation.
• Recognize the importance of attracting top talent through a viable business model.
• Appreciate the "bias towards action" as a fundamental entrepreneurial mindset.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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10. Biomolecular Engineering: Engineering of Immunity (cont.)

Mon, 14 Sep 2026 23:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman continues his presentation on the topic of vaccine. First, Professor Saltzman describes the host immune response to pathogen recognition, in terms of immunoglobulin release, T-cell activation, and memory cell production. The production, distribution, and challenges involved in making of the Salk polio vaccine and the modern, oral polio vaccine are discussed. Professor Saltzman then talks about the range of bioengineering approaches that can be used to produce vaccine: attenuated, subunit, and DNA-based. Finally, a life-intervention cost analysis (cost of technology per human life saved) for vaccine was compared to other policies to further emphasize the impact of vaccine on improving public health worldwide.

00:00 - Chapter 1. Mechanism of Vaccination
10:40 - Chapter 2. Boosters and Antibodies
18:54 - Chapter 3. History of the Polio Vaccine
35:01 - Chapter 4. Molecular, Clinical, and Economic Limitations of Vaccination

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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4. Genetic Engineering (cont.)

Mon, 14 Sep 2026 23:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman continues his presentation on DNA technology by discussing control of gene expression using two methods of RNA silencing: anti-sense therapy and RNA interference. Molecular cloning techniques to mass-produce proteins using plasmid, restriction enzymes, ligase, and antibiotic selection in bacteria are discussed. Steps and molecules involved in polymerase chain reaction are also described. Professor Saltzman explains how to detect mutations in genomic DNA, such as in sickle cell anemia patients, by gel electrophoresis and Southern blotting. Finally, he gives an example of inducing and controlling insulin expression in large animals by cloning into their genome the insulin gene with the lac promoter.

00:00 - Chapter 1. Introduction
01:29 - Chapter 2. Mechanisms of Limiting Gene Expression
11:30 - Chapter 3. Plasmids
21:35 - Chapter 4. Restriction Enzymes
33:34 - Chapter 5. Polymerase Chain Reaction
38:28 - Chapter 6. Applications of PCR

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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3. Technology and Invention in Finance

Mon, 14 Sep 2026 22:22:30 -0000

Financial Markets (ECON 252)

Technology and innovation underlie finance. In order to manage risks successfully, particularly long-term, we must pool large amounts of risk among many, diverse people and overcome barriers such as moral hazard and erroneous framing. Inventions such as insurance contracts and social security, and information technology all the way from such simple things as paper, and the postal service to modern computers have helped to manage risks and to encourage financial systems to address issues pertaining to risk. The tax and welfare system is one of the most important risk management systems.

00:00 - Chapter 1. Introduction
05:22 - Chapter 2. Introduction to the History of Risk Management
12:31 - Chapter 3. Long-Term Risk, Risk-Pooling, and Moral Hazard
26:51 - Chapter 4. Inequality and Communism from the View of Risk
35:53 - Chapter 5. Framing: Its Influence on Consumer Perception
47:59 - Chapter 6. The Development of Insurance and other Unobvious Financial Inventions
01:01:00 - Chapter 7. From the Paper Machine to the Present: Information Technology and Its Impact on Postal Service and Social Security

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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3.5 | Go Further, Faster! Multistage Rockets | Rocket Science for Everyone with Yale's Marla Geha

Mon, 14 Sep 2026 22:00:00 -0000

3.5 | Go Further, Faster! The Ingenious Science of Multistage Rockets | Rocket Science for Everyone with Yale's Marla Geha
The rocket equation presents significant challenges for achieving high speeds and carrying substantial payloads, especially when launching from Earth. How do engineers overcome these limitations? In this lesson, we delve into the ingenious solution of multistage rockets, exploring how shedding empty fuel tanks dramatically improves a rocket's performance, allowing it to go further and faster with more payload. We'll examine the physics behind this critical design, understand why every ounce matters, and discover modern innovations like SpaceX's reusable stages.

🎯 Learning Objectives
• Explain the limitations of the single-stage rocket equation for achieving high Delta V and payload.
• Describe the fundamental principle of multistage rockets, including the jettisoning of empty stages.
• Calculate the combined Delta V for a multistage rocket using an example.
• Discuss the practical application of multistage rockets in real-world missions and the innovation of reusable stages.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #OnlineLearning #YaleOnline #STEMEducation #SpaceTech #ScienceForAll #LearnOnline

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13. Banking: Successes and Failures

Mon, 14 Sep 2026 22:00:00 -0000

Financial Markets (ECON 252)

Banks, which were first created in primitive form by goldsmiths hundreds of years ago, have evolved into central economic institutions that manage the allocation of resources, channel information about productive activities, and offer the public convenient investment vehicles. Although there are several types of banking institutions, including credit unions and Saving and Loan Associations, commercial banks are the largest and most important in the banking system. Banks are designed to address three significant problems in capital markets: adverse selection, moral hazard, and liquidity. Banks make money by borrowing long and lending short and use fractional reserves to lend more funds than are deposited. History has seen numerous problems in banks, including bank runs and insolvency. Government support and regulation, such as those implemented via the Basel Accord, as well as rating agencies help to ensure that investors trust the banks with which they have relations.

00:00 - Chapter 1. On Andrew Redleaf: Reaping Rewards from Opportunities
11:06 - Chapter 2. The Origin of Banks, from Goldsmiths to Commercial Banks
25:29 - Chapter 3. Why Banks Exist: On Adverse Selection, Moral Hazard and Liquidity
37:15 - Chapter 4. Rating Agencies: Do They Work?
44:08 - Chapter 5. The Ongoing Fragility of Banks and Structures of Bank Regulation
58:17 - Chapter 6. The Subprime Crisis in the U.S. and in Europe

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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13. The Origins of World War I

Mon, 14 Sep 2026 21:49:00 -0000

France Since 1871 (HIST 276)

The traditional, diplomatic history of World War I is helpful in understanding how a series of hitherto improbable alliances come to be formed in the early years of the twentieth century. In the case of France and Russia, this involves a significant ideological compromise. Along with the history of imperial machinations, however, World War I should be understood in the context of the popular imagination and the growth of nationalist sentiment in Europe.

00:00 - Chapter 1. Tangled Maps of Empire: Diplomatic Origins of the First World War
07:24 - Chapter 2. A Delicate Balances: The Shifting Alliances of the Great Powers
19:26 - Chapter 3. The British Empire on the World Stage: Capabilities on the Continent
32:29 - Chapter 4. Mounting Tensions in Alsace-Lorraine: The Saverne Crisis
40:14 - Chapter 5. War Expectations and Enthusiasm

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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906 | Setting Up Your Social Enterprise: Key Do's and Don'ts - Social Entrepreneurship Course

Mon, 14 Sep 2026 21:25:00 -0000

Are you ready to navigate the complexities of building a social enterprise? In this essential lesson, we distill the critical do's and don'ts for establishing and managing your organization, focusing on team recruitment, governance, knowledge management, and maintaining your social mission. Avoid common pitfalls and set your venture up for lasting impact.

🎯 Learning Objectives
• Understand the importance of carefully selecting founding teams, executive teams, and board members based on commitment and fit.
• Learn to design organizational structures that promote shared leadership and avoid excessive hierarchy.
• Discover the necessity of documenting institutional knowledge to support growth and continuity.
• Identify common mistakes to avoid, such as starting a new organization unnecessarily or losing sight of the core social mission.
• Recognize the value of seeking expert advice and reimagining traditional institutional structures.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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2.5 | Mapping the Earth: Polar and Sun-Sync Orbits | Rocket Science for Everyone w/ Yale’s Marla Geha

Mon, 14 Sep 2026 21:00:00 -0000

Have you ever wondered how satellites map the entire Earth or maintain consistent lighting for monitoring? In this lesson, we take a fascinating side quest into special orbital types beyond the major regions. We'll explore the unique advantages of polar and sun-synchronous orbits for Earth observation, and journey into the vast, increasingly important cislunar space between Earth and the Moon.

🎯 Learning Objectives
• Explain what a polar orbit is and why it's essential for mapping the entire Earth's surface.
• Describe the characteristics and practical applications of sun-synchronous orbits, a special type of polar orbit.
• Define cislunar space and understand its current and future importance in space activities.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #YaleOnline #PolarOrbit #SunSynchronous #CislunarOrbit #SpaceScience #STEMEducation #LearnOnline

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3.4 | The Rocket Equation: Why 95% Fuel Won’t Cut It | Rocket Science with Yale’s Marla Geha

Mon, 14 Sep 2026 21:00:00 -0000

Ever wondered what determines how fast a rocket can go, or why NASA doesn't launch rockets with household items like baking soda and vinegar? In this lesson, we delve into the powerful Rocket Equation (also known as the Tsiolkovsky equation), which describes the maximum speed a rocket can achieve by burning its own fuel. You'll learn how this fundamental equation, inspired by the simple act of throwing rocks from a boat, reveals the critical relationship between exhaust velocity, mass ratio, and the elusive Delta-V needed for space travel.

🎯 Learning Objectives
• Define the rocket equation and explain its significance in determining a rocket's maximum speed.
• Analyze the roles of exhaust velocity and the initial-to-final mass ratio (fuel ratio) in the rocket equation.
• Understand why a remarkably high percentage of a rocket's launch mass must be fuel to reach orbit.
• Compare the effectiveness of different propellant types based on their exhaust velocities, using examples like liquid hydrogen and the baking soda-vinegar reaction.
• Relate Newton's laws of motion to the principles governing rocket propulsion as described by the rocket equation.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #OnlineLearning #YaleOnline #STEMEducation #SpaceTech #ScienceForAll #LearnOnline

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Case Study | The Iowa Caucus App Disaster: Lessons in Software Failure | Medical Software Course

Mon, 14 Sep 2026 20:27:30 -0000

Have you ever wondered what happens when a critical software application fails spectacularly? In this detailed case study, Alex Chen dissects the infamous Iowa Reporter app, which caused widespread chaos during the 2020 Iowa Democratic Caucus. Discover the critical missteps in development, inadequate testing, and organizational oversights that turned a crucial election tool into a symbol of software disaster.

🎯 Learning Objectives
• Understand the high-stakes environment and context of political software development.
• Identify specific software engineering and project management failures that led to the Iowa Reporter app's collapse.
• Analyze the consequences of inadequate testing, rushed deployment, and ignored expert advice in critical systems.
• Learn key lessons on prioritizing quality, proper resource allocation, and bridging communication gaps between political and technical teams.

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24. Students' Choice Novel: Jonathan Safran Foer, Everything is Illuminated

Mon, 14 Sep 2026 20:00:00 -0000

The American Novel Since 1945 (ENGL 291)

In this first of two lectures on the students' choice end-of-semester novel, Jonathan Safran Foer's Everything is Illuminated (2002), Professor Hungerford models several methods for approaching and evaluating a new work of fiction. She shows how Foer borrows and adapts themes and styles from other authors on the syllabus in service to his ambition as a writer to demonstrate the power of narrative fiction to address the great historical traumas of our time. In thus attempting to marry the nineteenth-century social novel with Postmodernist, or late Modernist, techniques, Foer participates in an emerging tradition that risks the confusion between resonant emotion and sentimental cliché.

00:00 - Chapter 1. Foer's Formative Ambition
03:58 - Chapter 2. Dialog with the Literary Tradition
11:23 - Chapter 3. Absence at the Heart of Desire: Foer's Negative Spaces
22:05 - Chapter 4. Bringing Together Sentiment and Formal Play: A Social Postmodern Novel
26:39 - Chapter 5. The Campus Novel
31:32 - Chapter 6. Sentiment vs. Sentimentality

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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12. Real Estate Finance and its Vulnerability to Crisis

Mon, 14 Sep 2026 20:00:00 -0000

Financial Markets (ECON 252)

Real Estate is the biggest asset class and of great importance for both individuals and institutional investors. An array of economic and psychological factors impact real estate investment decisions and the public has changing ideas of real estate as a profitable investment. People's demand to buy a home by taking on long-term debt, called a mortgage, is often tied with the overall health of the economy and financial markets. In recessions, home buying tends to fall and the opposite holds in a strong economy. Commercial real estate, held indirectly by the public through partnerships and real estate investment trusts (REITs), is vulnerable to similar speculative activity. The most recent real estate boom illustrates the speculative nature of real estate, and its relation to financial and economic crises.

00:00 - Chapter 1. Introduction
02:17 - Chapter 2. The Development of Commercial Real Estate Assets, from DPP to REIT
17:34 - Chapter 3. The Evolution of Mortgages and Government Regulatory Measures
30:06 - Chapter 4. The Math of Mortgages, Fannie Mae, and Freddie Mac
41:50 - Chapter 5. Understanding the Current Housing Boom: Comparing Los Angeles and Milwaukee
57:37 - Chapter 6. Domestic and International Real Estate Booms

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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2. Richard Wright, Black Boy

Mon, 14 Sep 2026 19:30:00 -0000

The American Novel Since 1945 (ENGL 291)

Professor Amy Hungerford continues her discussion of Richard Wright's classic American autobiography, Black Boy. Through a close analysis of key passages, she demonstrates an oscillation in the narrative between the socioeconomic deprivations and racial jeopardy confronting its characters, and the compensations to be found in sensual experience, the imagination, and in particular, the power of words. Dramatizing the editorial struggle evident in letters between Wright and Book-of-the-Month-Club-President Dorothy Canfield Fisher, Professor Hungerford shows the high stakes of Wright's uncompromising portrait of America's failed ideals at a time when those ideals are being tested during the Second World War.

00:00 - Chapter 1. Classifying the Literary Object: Fiction and Autobiography
06:06 - Chapter 2. Choices in the Construction of an Autobiography: A Close Reading of the First Scene
11:26 - Chapter 3. Decoding Meaning in Wright's Descriptive "Catalogs"
16:58 - Chapter 4. Powerlessness and Exertions of Agency
28:00 - Chapter 5. Language and Power: The Voices of the Author
38:36 - Chapter 6. The Fisher-Wright Letters: Author vs. Audience, How Outside Forces Shape the Formation of a Personal Account

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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3.5 | Safeguarding Health Data: HIPAA and GDPR Essentials for Medical Software Course

Mon, 14 Sep 2026 19:00:00 -0000

In this lesson, we explore the critical domain of data privacy, an escalating concern in medical software development. We'll unpack the intricacies of major regulations like HIPAA in the United States and GDPR in Europe, understanding their impact on how health data is handled. From defining Protected Health Information (PHI) to implementing anonymization techniques, this segment emphasizes building privacy directly into software design to protect sensitive patient data.

🎯 Learning Objectives
• Understand the importance of data privacy in medical software design.
• Define key terms such as HIPAA, PHI, ePHI, PII, de-identification, and anonymization.
• Differentiate between the scope and application of HIPAA and GDPR.
• Explain the principles of "privacy by design and by default" and data minimization.
• Identify common identifiers that constitute Protected Health Information and require careful handling.

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America at 250, DeVane Lecture, Class 2 – Revolutionary (and Not So Revolutionary) Beginnings

Mon, 14 Sep 2026 19:00:00 -0000

America at 250: A History. Class 2
Professor Joanne Freeman begins her section on The American Experiment.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.
David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.
Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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1.5 | Decoding Orbits: Kepler’s Laws and Sputnik | Rocket Science for Everyone with Yale’s Marla Geha

Mon, 14 Sep 2026 18:00:00 -0000

Have you ever wondered what keeps satellites in orbit? In this lesson, we delve into Johannes Kepler's groundbreaking three laws of orbital motion, which explain how objects like planets and satellites move through space. We'll explore why orbits are elliptical, how orbital speed varies, and critically, how Kepler's Third Law allows us to calculate an object's distance based on its orbital period, demonstrated vividly through the case of Sputnik.

🎯 Learning Objectives
• Explain Kepler's First Law of orbital motion and its significance.
• Describe the relationship between an object's orbital period and its distance from the central body (Kepler's Third Law).
• Apply Kepler's Third Law to calculate orbital parameters, such as the orbital height of Sputnik.
• Understand the historical context and revolutionary nature of Kepler's discoveries.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #YaleOnline #KeplersLaws #Orbits #Sputnik #SpaceScience #STEMEducation #LearnOnline

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4.2 | Powering Satellites: Solar Panels and Batteries | Rocket Science for Everyone with Marla Geha

Mon, 14 Sep 2026 18:00:00 -0000

Why is power so critical for satellites in orbit? In this lesson, we delve into the essential role of electrical power, focusing on how solar panels convert sunlight into electricity for these crucial spacecraft. We'll explore the advantages of solar panels in space, the clever techniques satellites use to maximize sun exposure, and why rechargeable batteries are indispensable for maintaining continuous operation, even when a satellite passes through Earth's shadow. Discover the differences between Earth and space-based solar power, and learn about alternative power sources for specific missions.

🎯 Learning Objectives
• Understand the critical role of electrical power in satellite operation.
• Explain how solar panels convert sunlight into electricity and their enhanced efficiency in space.
• Describe the methods satellites use to orient their solar panels towards the sun.
• Recognize why rechargeable batteries are essential for satellites and how they overcome periods in Earth's shadow.
• Identify alternative power sources for very short missions or spacecraft traveling beyond the inner solar system.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #SatellitePower #SolarPanels #SpaceEnergy #STEMEducation

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4. Poetry and Virginity

Mon, 14 Sep 2026 17:32:30 -0000

Milton (ENGL 220)

Milton's first publication, A Mask Presented at Ludlow Castle, is examined. Milton's vision of a poet's heaven in "Ad Patrem," paired with the letter to Charles Diodati, with its particular emphasis on the need for chastity in poets, is used as a springboard to a discussion of the depiction of sexual ideals in the masque. Revelation 14, 1 Corinthians, and the Apology for Smectymnuus are also discussed at length, as are the poet's biography and the history of the masque's title.

00:00 - Chapter 1. "Ad Patrem": A Poem to Milton's Father
08:33 - Chapter 2. "An Apology for Smectymnuus"
16:34 - Chapter 3. "Comus: A Mask Presented at Ludlow Castle"

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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907 | B Labs and B Corps: Making Business a Force for Good - Social Entrepreneurship Course

Mon, 14 Sep 2026 17:00:00 -0000

Ever wondered how businesses can truly be a force for good beyond just profit? In this lesson, we dive into the innovative world of B Labs, exploring the distinctions between Public Benefit Corporations (PBCs) and B Corp certification. Discover how these structures and certifications enable companies to legally commit to and demonstrate social and environmental responsibility, moving beyond traditional capitalistic practices.

🎯 Learning Objectives
• Differentiate between a Public Benefit Corporation (PBC) and B Corp certification.
• Understand the mission and impact of B Labs in fostering socially responsible businesses.
• Identify how companies like Patagonia and Kickstarter utilize these frameworks to institutionalize their social and environmental impact.
• Recognize the role of collective action, such as the B Corp Climate Collective, in addressing global challenges.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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America at 250: A History, DeVane Lecture, Class 1 – The Road to 250

Mon, 14 Sep 2026 17:00:00 -0000

America at 250: A History. Class 1 “The Road to 250”
Introduction to the course with all three professors setting the stage.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.

The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

Learn more about your ad choices. Visit megaphone.fm/adchoices

18. Biomechanics and Orthopedics

Mon, 14 Sep 2026 16:35:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman introduces the material properties of elasticity and viscosity. He describes two separate experimental setups to measure the elasticity and the viscosity of a material. Material elasticity can be defined in terms of stress-strain property, and defines the Young's modulus (E), which is the slope of the stress-strain curve. Fluid viscosity, on the other hand, is described by shear stress. When modeling any material, the spring can be used to represent an ideal elastic material and the dashpot an ideal viscoelastic material. All biomaterials contain some combination of these properties and can be described by physical models that consist of both spring and dashpot.

00:00 - Chapter 1. Introduction
03:16 - Chapter 2. An Experiment on Elasticity
18:20 - Chapter 3. Viscosity
28:46 - Chapter 4. Deformation and Viscoelasticity
42:13 - Chapter 5. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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5. Insurance: The Archetypal Risk Management Institution

Mon, 14 Sep 2026 16:00:00 -0000

Financial Markets (ECON 252)

Insurance provides significant risk management to a broad public, and is an essential tool for promoting human welfare. By pooling large numbers of independent or low-correlated risks, insurance providers can minimize overall risk. The risk management is tailored to individual circumstances and reflects centuries of insurance industry experience with real risks and with moral hazard and selection bias issues. Probability theory and statistical tools help to explain how insurance companies use risk pooling to minimize overall risk. Innovation and government regulation have played important roles in the formation and oversight of insurance institutions.

00:00 - Chapter 1. Circumventing Selection Bias in the Equity Premium Puzzle
10:13 - Chapter 2. Politics in the Stock Market and Modern Mutual Funds
19:43 - Chapter 3. The Intuition behind Insurance
34:54 - Chapter 4. Multiline, Monoline, and P&C Insurances
43:52 - Chapter 5. The Advent and Development of the Insurance Industry
56:06 - Chapter 6. Government and NAIC Regulation of Insurance
01:05:14 - Chapter 7. Problems with Insurance Companies Today

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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5. Vladimir Nabokov, Lolita

Mon, 14 Sep 2026 16:00:00 -0000

The American Novel Since 1945 (ENGL 291)

Professor Amy Hungerford introduces the first of three lectures on Nabokov's Lolita by surveying students' reactions to the novel, highlighting the conflicting emotions readers feel, enjoying Nabokov's virtuosic style, but being repelled by the violence of his subject matter. Nabokov's childhood in tsarist Russia provides some foundation for his interest in memory, imagination, and language. Finally, Professor Hungerford shows how Nabokov, through the voice of his protagonist Humbert, in his own voice in the epilogue, and in the voice of "John Ray, Jr." in the foreword, preempts moral judgments in a novel that celebrates the power of the imagination and the seductive thrill of language.

00:00 - Chapter 1. Lolita: Initial Student Responses
09:49 - Chapter 2. Historical Context: A Brief Biography of Nabokov
15:33 - Chapter 3. Blurring Narrative Layers: Locating the Author in John Ray Jr.'s Forward
23:49 - Chapter 4. Seduction and Cliché
34:22 - Chapter 5. Edgar Allan Poe's "Annabel Lee"
45:54 - Chapter 6. Morality and Manipulation

Complete course materials are available at the Yale Online website: online.yale.edu

This course was recorded in Spring 2008.

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5. Cell Culture Engineering

Mon, 14 Sep 2026 15:37:30 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman reviews the concept of gene therapy, and gives some examples of where this is applied. Methods to help deliver DNA into cells using viruses and cationic lipids are discussed, as a way to overcome some challenges in gene therapy. Next, Professor Saltzman gives a brief introduction into bacterial and mammalian cell physiology. He describes the different tissues in the body, the cell development/differentiation process, the anchorage dependence of mammalian cells that allows them to form an organism, and the extracellular matrix.

00:00 - Chapter 1. Applications of Gene Transfer
06:40 - Chapter 2. Gene Therapy
14:45 - Chapter 3. Potentials and Limits of Hijacking Viruses
22:28 - Chapter 4. Bacterial and Human Cell Physiology
33:43 - Chapter 5. Cellular Division
38:42 - Chapter 6. Cell Differentiation

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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2.6 | Orbital Flight: Speed and Direction | Rocket Science for Everyone with Yale’s Marla Geha

Mon, 14 Sep 2026 15:00:00 -0000

Have you ever wondered what it truly takes to get a satellite to stay in space? In this lesson, we move beyond where satellites orbit to the crucial question of how they achieve and maintain that incredible feat. We’ll explore the immense speeds required and the precise maneuvers rockets perform to counteract Earth's relentless gravitational pull, ensuring a sustainable presence above the Karman line.

🎯 Learning Objectives
• Differentiate between suborbital flight and stable orbital insertion.
• Explain the critical role of horizontal velocity in achieving orbit around Earth.
• Compare and contrast orbital velocity and escape velocity.
• Describe the typical launch trajectory of a rocket aiming for orbit.
• Understand the significance of 'Max Q' during a rocket launch.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #OnlineLearning #YaleOnline #STEMEducation #SpaceTech #ScienceForAll #LearnOnline

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3.3 | Solid and Liquid Chemical Rockets | Rocket Science for Everyone with Yale's Marla Geha

Mon, 14 Sep 2026 15:00:00 -0000

Ever wondered what powers the incredible force behind a rocket launch? In this lesson, we dive deep into chemical rockets, exploring the two primary types: solid and liquid propellant systems. We'll uncover what makes an ideal rocket fuel and examine the distinct advantages and disadvantages of each system, along with their real-world applications in space missions.

🎯 Learning Objectives
• Differentiate between solid and liquid chemical rockets and their propellants
• Identify the key characteristics that define a good rocket fuel
• Compare and contrast the pros and cons of solid versus liquid rocket engines
• Understand how the internal design influences a solid rocket's burn rate
• Recognize examples of solid and liquid rocket use in contemporary spaceflight

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #ChemicalRockets #SolidVsLiquidPropellant #RocketEngines #SpaceExploration #AerospaceEngineering #STEMEducation #YaleOnline #SpaceScience #OnlineLearning

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20. Guest Lecture by Stephen Schwarzman

Mon, 14 Sep 2026 14:40:00 -0000

Financial Markets (ECON 252)

Stephen Schwarzman, Co-Founder of Blackstone Group, a private equity firm, speaks about his experience in the industry. He discusses his thoughts on global finance, particularly at such an interesting and challenging point in the history of financial institutions. Although the near future might be rough for the United States and economies around the globe, capital does tend to come back and regulators are busy figuring out how best to put safeguards on the system. He also offers career advice and mentions some of the surprises he came across upon entering the world of finance.

00:00 - Chapter 1. Introduction: Stephen Schwarzman's Profile
03:00 - Chapter 2. In His Own Words: Early Discoveries in the Financial Market
12:36 - Chapter 3. Real Estate Assets Performance with Blackstone
17:16 - Chapter 4. Deconstructing the Subprime Crisis and "Jars of American SARS"
26:53 - Chapter 5. A Recession in the Aftermath: A New Financial World
34:49 - Chapter 6. Questions: Successes and Setbacks
44:54 - Chapter 7. Personal Lessons and Insights from the Financial World
55:44 - Chapter 8. Questions: Dealing with Failure and the Future of Investing and Private Equity

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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America at 250: A History, DeVane Lecture, Class 5 - Framing a Nation: The Constitution

Mon, 14 Sep 2026 14:00:00 -0000

America at 250: A History. Class 5 “Framing a Nation: The Constitution”
Professor Joanne Freeman explores the viewpoints leading to the structure and process of the new Constitution.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.

David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.

Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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4.5 | Satellite Survival: Launch and Space Tests | Rocket Science for Everyone with Yale’s Marla Geha

Mon, 14 Sep 2026 14:00:00 -0000

Have you ever wondered how satellites manage to survive the brutal journey of launch and the harsh vacuum of space? In this lesson, we explore the critical process of integrating individual satellite components and the extensive testing required to ensure their flawless operation. From simulating extreme temperature fluctuations in a thermal vacuum chamber to enduring intense vibrations on a shake table, learn why rigorous testing is the key to a satellite's success.

🎯 Learning Objectives
• Understand the challenges of integrating satellite components built separately.
• Explain the critical importance of rigorous testing for satellite functionality and longevity.
• Describe how thermal vacuum chambers simulate the extreme temperatures and vacuum of space.
• Detail the process of vibration testing to mimic launch forces on a satellite.
• Recognize how satellite mission and lifetime influence testing protocols.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #SatelliteSurvival #SpaceTesting #STEMEducation #AerospaceEngineering #SpaceScience

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703 | Who Pays? Key Payment Models Explained - Social Entrepreneurship Course

Mon, 14 Sep 2026 13:49:00 -0000

Beyond just your revenue model, how do customers pay for your offering? In this lesson, we explore the different payment models that can significantly impact your social enterprise, focusing on how financing, transaction mechanisms, and payment structures can make your services more accessible and affordable for your target audience.

🎯 Learning Objectives
• Understand the concept of payment models as distinct from revenue models.
• Identify different financing approaches used in social enterprises, such as spreading payments over time.
• Recognize various transaction mechanisms and how they differ across regions.
• Explore different payment structures, including subscription models for ongoing services.
• Learn how different payment models can enhance the accessibility and affordability of your offering.

📚 About the Course
Have you ever wondered what it would be like to create real change? You don't have to start your own organization to make a difference in the world. Everyone can learn the social entrepreneurship mindset and skillset to build social impact. In this course, you will immerse yourself in a social or environmental challenge you want to tackle. You'll start by researching your topic of choice, talking to people, and ideating a potential solution that you can contribute. Then, you'll build a business model around that solution, understanding concepts like measuring social change, ensuring financial viability, funding and pitching.

This course is a safe space to experiment and explore. You'll be guided by a ten stage framework to help structure your journey. Along the way, you'll hear from social entrepreneurs around the world through case studies and campus conversations. These include Yale alumni, members of the New Haven community, and global changemakers. Everyone is welcome to join this course! You can apply your lived, learned, or professional experience to discover how you're going to make a difference.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNezbi0aRJeVnt99ynTVZG1PL

🎓 Enroll on Coursera for assessments and a certificate: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/creating-change-through-social-entrepreneurship

#SocialEntrepreneurship #YaleCourse #Impact #Changemakers #BusinessPlan #DesignThinking

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16. Marilynne Robinson, Housekeeping (cont.)

Mon, 14 Sep 2026 13:42:30 -0000

The American Novel Since 1945 (ENGL 291)

At the very beginning of the course, Professor Hungerford offered students the opportunity to pitch a novel of their choice to fill the final spot on the syllabus. Today six students rise to that challenge, presenting their arguments for why each book would complete the intellectual trajectory established thus far. While the Teaching Assistants tally the results of the class vote, Professor Hungerford provides some final thoughts about the theme of loss in Marilynne Robinson's Housekeeping. The effacement of the body in this novel, and the beauty of absence and hunger, result in what Hungerford terms an "anorexic aesthetic" that raises problems for feminist interpretation.

00:00 - Chapter 1. Novel Pitch Day
02:03 - Chapter 2. Emma's Pitch: "Giovanni's Room"
06:44 - Chapter 3. Kelsey's Pitch: "One Flew Over the Cuckoo's Nest"
12:25 - Chapter 4. Miranda's Pitch: "Play It As It Lays"
18:06 - Chapter 5. Will's Pitch: "Jesus' Son"
22:31 - Chapter 6. Eli's Pitch: "Everything Is Illuminated"
28:03 - Chapter 7. Roger's Pitch: "What Is the What"
36:30 - Chapter 8 Back to "Housekeeping": The Logic of Absence

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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19. Brokerage, ECNs, etc.

Mon, 14 Sep 2026 13:00:00 -0000

Financial Markets (ECON 252)

The exchanges in which stocks and other securities are traded serve an important function in finance. They bring together people interested in buying and selling securities in order to create a universal price. Brokers and dealers are also an important part of the system, their methods and standards are ultimately behind the success of the exchanges. Many information innovations have advanced the functioning of exchanges, going all the way back to the ticker machine, which was created to communicate the price of securities at a point in time to all interested parties. Electronic Communication Networks and automatic exchanges, more generally, have significantly impacted the exchange of securities and few exchanges still have physical trading floors.

00:00 - Chapter 1. Introduction: The Broker and the Dealer
15:11 - Chapter 2. Exchanges in the United States
24:02 - Chapter 3. From Ticker Tapes to ECNs: The Impact of Technology
42:12 - Chapter 4. Action on the "Floor" of the Stock Exchange
01:01:46 - Chapter 5. The Dealer's Life and the Gambler's Ruin Problem

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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15. Guest Lecture by Carl Icahn

Mon, 14 Sep 2026 13:00:00 -0000

Financial Markets (ECON 252)

Mr. Carl Icahn, a prominent activist investor in corporate America, talks about his career and how he became interested in finance and involved in shareholder activism. He discusses his thoughts about today's economy and American businesses and their inherent threats and opportunities. He believes that the biggest challenge facing corporate America is weak management and that today's CEOs, with exceptions, might not be the most capable of leading global companies. He sees opportunities for current, intelligent college students to succeed in the corporate world if they work hard and can identify valuable business pursuits.

00:00 - Chapter 1. Carl Icahn: A Self-Introduction
06:10 - Chapter 2. An Anti-Darwinian Corporate America
19:56 - Chapter 3. Questions: Personal Motivation and Inspiration
29:21 - Chapter 4. Questions: Activist Investing in the Real World
38:53 - Chapter 5. Questions: Sensing Potential in Poorly Managed Companies

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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America at 250 Podcast Episode 2 - The Federalists, Early Republic, and the Real Hamilton

Mon, 14 Sep 2026 12:45:00 -0000

Professors David Blight, Beverly Gage, and Joanne Freeman discuss Professor Freeman's Week 2 lectures on the Federalists (don't call them papers) and whether anyone would actually like the real Alexander Hamilton.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776

and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

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11. Biomolecular Engineering: General Concepts

Mon, 14 Sep 2026 12:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman starts the lecture with an introduction to pharmacokinetics and pharmacodynamics. Professor Saltzman talks about the concept of dose-response. He introduces different routes of drug administration and how they affect drug distribution and bioavailability (i.e., intravenous, oral, and sublingual routes). First-pass drug metabolism by the liver is also identified as an important source of drug degradation. Finally, modeling the body as a well-stirred vessel, Professor Saltzman explains the first-order rate equation: C = (M0/V)*e-kt, that can be used calculate the amount of drug in the body (M) as a function of time (t) and a rate constant (k); and the equation for drug half-life: t = ln(2/k).

00:00 - Chapter 1. Introduction to Drug Delivery
07:13 - Chapter 2. Relationships Between Drug Dosage and Biological Response
12:21 - Chapter 3. Injections for Drug Delivery
28:47 - Chapter 4. Oral Drug Delivery
41:25 - Chapter 5. Drug Bioavailability

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Case Study | WannaCry: How a Ransomware Attack Crippled the UK NHS | Medical Software Course

Mon, 14 Sep 2026 12:00:00 -0000

What lessons can be learned from one of the most significant cyberattacks in medical history? In this lesson, we delve into the WannaCry ransomware attack of May 2017, specifically examining its far-reaching and devastating impact on the UK National Health Service. We'll explore how this malicious software encrypted critical data, demanded ransom, and caused widespread disruption, leading to cancelled appointments and hospital shutdowns, ultimately highlighting the critical importance of robust cybersecurity measures and timely software updates in the medical field.

🎯 Learning Objectives
• Understand the nature of ransomware and its operational mechanisms.
• Analyze the specific impact of the WannaCry ransomware attack on the UK National Health Service.
• Identify key cybersecurity vulnerabilities and preventative measures that could have mitigated the attack.
• Recognize the importance of an effective cybersecurity response plan and regular software updates in medical organizations.
• Differentiate between the responsibilities of software manufacturers and healthcare organizations in maintaining cybersecurity.

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08 Discover Your TRUE Career Purpose: Questions for Your Job Hunt — Job Searching with Purpose

Mon, 14 Sep 2026 11:47:30 -0000

In this lesson, we dive into the 'career purpose worksheet,' a powerful tool designed to help you articulate the tactical 'why' behind your job hunt. Moving beyond philosophical contemplation, this exercise guides you through critical questions to uncover your non-negotiables and core motivations, ensuring your next career move aligns with what truly matters to you.

🎯 Learning Objectives
• Identify personal "huge or nothing" factors and non-negotiables for your job search.
• Articulate the specific problems you are passionate about solving and who you aim to help.
• Determine your preferences for organizational structure and work dynamics (e.g., best-in-class vs. fixer-upper, consulting vs. client-side).
• Strategically use tactical questions to filter opportunities and clarify your underlying motivations.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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4.3 | How Satellites Talk: Radio Waves | Rocket Science for Everyone with Yale’s Marla Geha

Mon, 14 Sep 2026 11:00:00 -0000

Ever wondered how satellites, orbiting thousands of miles above, manage to communicate with Earth? In this lesson, we explore the critical system of satellite communication, revealing how electrical power is harnessed to enable two-way interaction. We'll uncover the essential role of radio waves, understand why they are uniquely suited for space communication, and delve into the global system of frequency allocation that ensures every satellite can transmit and receive data without interference.

🎯 Learning Objectives
• Explain the fundamental principles of satellite communication, including ground stations and onboard systems
• Describe the role of radio waves in transmitting information and their place in the electromagnetic spectrum
• Justify why radio waves are preferred for satellite communication over other wavelengths of light
• Understand how information is encoded onto radio waves using modulation techniques (AM/FM)
• Discuss the importance of frequency allocation in preventing interference among numerous satellites and other radio users

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#Yale #RocketScience #YaleOnline #SatelliteCommunication #RadioWaves #STEMEducation

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17. Paradise Lost, Book IX

Mon, 14 Sep 2026 11:00:00 -0000

Milton (ENGL 220)

Book Nine and the depiction of the Fall are presented. Adam and Eve's dialogue -- especially their perspectives on labor, temptation, and the nature of the garden -- is examined. Satan's strategic temptation of Eve is closely analyzed. At the lecture's conclusion, Adam and Eve's new fallen sight is discussed, with particular emphasis placed on the reference to the "veil" of pre-fallen innocence. Overall, the tension between doctrinal and subversive perspectives on the pre-fallen hierarchy of Eden is underscored.

00:00 - Chapter 1. Introduction: "Paradise Lost" Book IX
03:01 - Chapter 2. Adam and Eve, Arguing?
10:19 - Chapter 3. The Argument between Adam and Eve on the Morning of the Fall
36:03 - Chapter 4. The Promise of Equality and its Importance to Eve after the Fall

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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17. Renal Physiology (cont.)

Mon, 14 Sep 2026 10:50:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman continues his description of nephron anatomy, and the specific role of each part of the nephron in establishing concentration gradients to help in secretion and reabsorption of water, ions, nutrients and wastes. A number of molecular transport processes that produces urine from the initial ultra-filtrate, such as passive diffusion by concentration difference, osmosis, and active transport with sodium-potassium ATPase, are listed. Next, Professor Saltzman describes a method to measure glomerular filtration rate (GFR) using tracer molecule, inulin. He then talks about regulation of sodium, an important ion for cell signaling in the body, as an example to demonstrate the different ways in which nephrons maintain homeostasis.

00:00 - Chapter 1. Introduction
03:06 - Chapter 2. The Role of the Nephron in Ion Balance
16:54 - Chapter 3. The Glomerular Filtration Rate
26:21 - Chapter 4. Selective Reabsorption
39:51 - Chapter 5. Water Balance and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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5.1 | Satellite Launches: Sputnik, SWOT and UVEX | Rocket Science for Everyone with Yale's Marla Geha

Mon, 14 Sep 2026 10:00:00 -0000

Have you ever wondered why we send satellites into orbit? In this lesson, we explore the diverse motivations behind satellite missions by examining three complete examples: Sputnik, the first artificial satellite, SWOT, a current mission mapping Earth's surface water, and UVEX, a future ultraviolet explorer critical for astrophysical research. We delve into their launch specifics, payloads, and the scientific or practical goals they aim to achieve.

🎯 Learning Objectives
• Explain the diverse motivations and goals behind launching different satellite missions.
• Describe the historical context, launch, and payload of Sputnik 1.
• Outline the mission objectives, launch details, and operational aspects of the SWOT satellite.
• Detail the future mission, scientific importance, and proposed orbit of the UVEX satellite.
• Compare and contrast the characteristics and purposes of past, present, and future satellite endeavors.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScience #SatelliteLaunches #Sputnik #SWOT #UVEX #SpaceScience #STEM

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20. Bioimaging

Mon, 14 Sep 2026 10:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman first reviews the electromagnetic spectrum, the different regimes of the spectrum, their respective wavelengths, energies, and ways of detecting them. He then talks about the use of high energy radio waves for imaging of the body. The history, components, advantages and limitations of X-ray imaging are presented in detail. Next, he introduces Computed Tomography, a related imaging technique which uses mathematical computation to compile line-scanned X-rays into a three dimensional image. Finally, Professor Saltzman touches on harmful effects of X-ray radiation, and ways to limit or avoid overexposure in these imaging techniques.

00:00 - Chapter 1. Introduction to Biomedical Imaging
05:26 - Chapter 2. The Electromagnetic Spectrum
13:29 - Chapter 3. X-Rays
24:39 - Chapter 4. Challenges of X-Ray Imaging
30:41 - Chapter 5. CT Imagery
37:02 - Chapter 6. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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12. Biomolecular Engineering: General Concepts (cont.)

Mon, 14 Sep 2026 09:52:30 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman reviews the pharmacokinetic first-order rate equation that can be used to model changes in drug concentration in the blood, as well as its derivation from the law of conservation of mass. The importance of maintaining a drug concentration that is sufficient for therapeutic purpose, but below a toxic level, is emphasized. Since this is directly affected by drug administration method, ways to localize and sustain therapeutic concentrations of drug, such as incorporating in slow-releasing, biocompatible polymers are introduced. Professor Saltzman gave some examples of clinical applications of controlled release drug delivery system, such as anti-restenosis drug incorporated into stents, and chemotherapeutic drugs in brain implants and microspheres.

00:00 - Chapter 1. Model for Injected Drug Delivery
08:42 - Chapter 2. Model for Oral Drug Delivery
16:10 - Chapter 3. Drug as Implant: Potentials and Limits
38:46 - Chapter 4. Accessibility of New Drug Delivery Methods

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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7. Behavioral Finance: The Role of Psychology

Mon, 14 Sep 2026 09:00:00 -0000

Financial Markets (ECON 252)

Behavioral Finance is a relatively recent revolution in finance that applies insights from all of the social sciences to finance. New decision-making models incorporate psychology and sociology, among other disciplines, to explain economic and financial phenomenon, such as erratic stock price variations. Psychological patterns such as overconfidence and perceived kinks in the value function seem to impact financial decision-making, but are not included in classical theories such as the Expected Utility Theory. Kahneman and Tversky's Prospect Theory addresses such issues and sheds light on irrational deviations from traditional decision-making models.

00:00 - Chapter 1. What Is Behavioral Finance?
09:01 - Chapter 2. Market Volatility: Random, or Socially Influenced? A Present Value Analysis
19:58 - Chapter 3. Overconfidence: Its Ubiquity and Impact on Financial Markets
38:29 - Chapter 4. The Kahneman and Tversky Prospect Theory or, How People Make Choices
58:50 - Chapter 5. The Regret Theory and Fashion as a Measure of the Market

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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10. Debt Markets: Term Structure

Mon, 14 Sep 2026 09:00:00 -0000

Financial Markets (ECON 252)

The markets for debt, both public and private far exceed the entire stock market in value and importance. The U.S. Treasury issues debt of various maturities through auctions, which are open only to authorized buyers. Corporations issue debt with investment banks as intermediaries. The interest rates are not set by the Treasury, the corporations or the investment bankers, but are determined by the market, reflecting economic forces about which there are a number of theories. The real and nominal rates and the coupons of a bond determine its price in the market. The term structure, which is the plot of yield-to-maturity against time-to-maturity indicates the value of time for points in the future. Forward rates are the future spot rates that can be calculated using today's bond prices. Finally, indexed bonds, which are indexed to inflation, offer the safest asset of all and their price reveals a fundamental economic indicator, the real interest rate.

00:00 - Chapter 1. Introduction
04:25 - Chapter 2. The Discount and Investment Rates
19:12 - Chapter 3. The Bid-Ask Spread and Murdoch's Wall Street Journal
29:17 - Chapter 4. Defining Bonds and the Pricing Formula
39:38 - Chapter 5. Derivation of the Term Structure of Interest Rates
52:34 - Chapter 6. Lord John Hicks's Forward Rates: Derivation and Calculations
01:06:09 - Chapter 7. Inflation and Interest Rates

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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3.6 | Protect Your Patients! Cybersecurity Essentials for Medical Software Course

Mon, 14 Sep 2026 08:55:00 -0000

In this critical lesson, we delve into the paramount importance of cybersecurity for medical software developers in an era of interconnected devices. Discover why safeguarding information systems from unauthorized activities is not just a technical requirement, but a vital component of patient safety and data integrity, with real-world examples illustrating the devastating impact of breaches.

🎯 Learning Objectives
• Define cybersecurity within the context of medical devices and software.
• Understand the critical importance of cybersecurity for patient safety and data integrity in healthcare.
• Identify key cybersecurity principles and best practices, including authentication, encryption, and the NIST framework.
• Differentiate between FDA's Tier 1 and Tier 2 cybersecurity risk classifications for medical devices.
• Discuss the challenges and considerations for maintaining data security in cloud environments.

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16. Paradise Lost, Books VII-VIII

Mon, 14 Sep 2026 08:00:00 -0000

Milton (ENGL 220)

This lecture on Books Seven and Eight of Paradise Lost focuses on Milton's account of the Creation. The poet's persistent interest in the imagery of digestion is explored with help from the proto-scientific theories of the seventeenth-century philosopher Paracelsus. The moment at which Milton names and assigns a gender to his muse is examined. Finally, Milton's use of gender in the Creation account is explored in light of previous discussions of the poem's complex sexual hierarchy; particular emphasis is placed on Raphael's similarly gendered account of celestial hierarchy in Book Eight.

00:00 - Chapter 1. Milton's Theory of Monism
05:09 - Chapter 2. "Paradise Lost" Book VII: The Book of Creation
36:09 - Chapter 3. "Paradise Lost" Book VIII: Reasserting the Subordination of Woman to Man

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Fall 2007.

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3.4 | Revolutionizing Patient Care: EHR and PACS with Prof. Mariam Aboian — Medical Software Course

Mon, 14 Sep 2026 08:00:00 -0000

In this lesson, join Professor Mariam Aboian for a practical demonstration of Electronic Health Records (EHR) and Picture Archiving and Communication Systems (PACS). Discover how these essential digital tools have replaced traditional paper charts and film-based imaging, streamlining patient data access, enhancing diagnostic capabilities, and improving overall clinical workflows in modern healthcare. Learn about the seamless integration of patient information and advanced imaging analysis, including emerging AI applications, that are transforming medical practice.

🎯 Learning Objectives
• Navigate the key features and functionalities of an Electronic Health Record (EHR) system.
• Understand how Picture Archiving and Communication Systems (PACS) are used to access and analyze medical images.
• Recognize the specialized hardware and integrated workflows of a professional radiology workstation.
• Explore the evolution of medical image analysis from qualitative to quantitative methods, including AI integration.
• Appreciate the multifaceted benefits of integrated EHR and PACS systems for patients, providers, and medical education.

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6. Cell Culture Engineering (cont.)

Mon, 14 Sep 2026 07:57:30 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman describes the processes of fertilization and embryogenesis. Professor Saltzman then talks about the definition and classification of different types of stem cells, where stem cells are found in the body, and the potential for use of stem cells in treating diseases. Some challenges in this type of therapy are also discussed. Finally, Professor Saltzman introduces the exponential equation for cell growth, dX/dt = eμt, and the concept of cell "doubling time."

00:00 - Chapter 1. Fertilization and Early Development
11:50 - Chapter 2. Development of Stem Cells
23:26 - Chapter 3. Results of Differentiation
36:52 - Chapter 4. Stem Cell Lineage
44:26 - Chapter 5. Cell Proliferation

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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25. Learning from and Responding to Financial Crisis I (Lawrence Summers)

Mon, 14 Sep 2026 07:00:00 -0000

Financial Markets (ECON 252)

Professor Summers, former U. S. Treasury Secretary and former President of Harvard University, in this the first of two lectures in honor of former Yale Professor and Council of Economic Advisors chairman Arthur Okun, offers thoughts on the role of monetary policy in economic fluctuations, past and present. In the "Okun period," ending about when Okun died in 1980, the monetary authorities were very much involved in actually creating economic contractions. Inflation would repeatedly get out of control, the Fed would hit the brakes, and the economy would slow. But, that is not the story of the economic cycles of the last two decades. Recent economic cycles appear to be connected with factors endogenous to the financial system, such as bubbles or cycles of complacency among lending institutions. Summers argues that to understand the financial markets and the economy, we must consider models of multiple equilibria, such as bank run models, where a change in confidence may shift the economy drastically without any change in fundamentals.

00:00 - Chapter 1. A Profile of Lawrence Summers, Memories of Art Okun
12:48 - Chapter 2. Okun's Concerns on Stable Growth, Inflation, and Cyclical Fluctuations
29:05 - Chapter 3. The Interconnectedness of Modern Financial Crises Worldwide
40:05 - Chapter 4. The Bank Run Metaphor in Non-Bank Financial Crises
58:38 - Chapter 5. Behavioral Finance: Reasons for Positive Feedback
01:15:37 - Chapter 6. Summary and Questions on Government Interventions and Moral Hazard

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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1.3 | Where Does Space Begin? | The Karman Line | Rocket Science for Everyone with Yale’s Marla Geha

Mon, 14 Sep 2026 07:00:00 -0000

Is space as far away as you imagine? This lesson delves into the fascinating question of where space truly begins, moving beyond common perceptions to uncover the scientific and policy-driven boundaries that define this critical point. You'll learn about the internationally recognized Karman line and discover just how surprisingly close space actually is.

🎯 Learning Objectives
• Define the Karman line and its significance as the international boundary of space.
• Compare the international definition of space with NASA's definition.
• Explain why there is no "super obvious" end to Earth's atmosphere.
• Understand the concept of how "close" space is in terms of distance.

📚 About the Course
This course is an intuitive introduction to rocket science in our everyday lives.
Modern life increasingly depends on technology provided by Earth-orbiting satellites, from detailed weather predictions to broad-band internet and GPS. How are satellites launched into orbit and how do they work once they get there? Why are rockets used to get into orbit and how are they different from airplanes? This introductory course is aimed at a wide non-technical audience and is appropriate for all ages.

📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNexC1fSWLlpQx_Gjj_0DhjVE

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/rocket-science-for-everyone

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/rocket-science-everyone

#RocketScienceForEveryone #YaleOnline #SpaceScience #WhereDoesSpaceStart #AstronomyBasics #STEMEducation #LearnOnline #SpaceExploration #KarmanLine

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America at 250 Podcast Episode 1 - John Adams' To-do List and "Common Sense"

Mon, 14 Sep 2026 07:00:00 -0000

Professors David Blight, Beverly Gage, and Joanne Freeman gathered at the Yale Teaching Studios to discuss Professor Freeman's Week 1 lectures on the pre-revolutionary period.

This podcast is also available on Apple:
https://podcasts.apple.com/us/podcast/america-at-250-the-podcast/id1840422776
and Spotify:
https://open.spotify.com/show/4C8qfQf21r4eO6mVUFguG2

To view all the videos in this course or view and download a copy of the course syllabus with required readings please scroll through the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

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06 Find Your Why: Crafting Your Personal Purpose Statement | Job Searching with Purpose

Mon, 14 Sep 2026 06:02:30 -0000

Why are you here? In this lesson, we dive deep into uncovering your individual purpose, an essential step for a meaningful career and successful job search. You'll explore powerful tools and worksheets designed to help you reflect on your past, envision your future, understand your intrinsic motivations, and ultimately craft a clear, impactful mission statement to guide your next professional steps.

🎯 Learning Objectives
• Explore the significance of individual purpose in career and leadership.
• Complete a personal purpose worksheet by reflecting on past choices, personal attributes, and future horizons.
• Identify your "flow states" and "big why" to understand your core motivations.
• Develop a personal impact statement or career mission statement to guide your job search.

📚 About the Course: Navigating a career move can feel overwhelming in today’s dynamic job market. The Hunt offers a practical, structured framework to help you make your next job search intentional, effective, and purpose-driven. Whether you’re starting your career, seeking a new direction, or looking to advance, this course equips you with the tools to clarify your goals, sharpen your pitch, and connect authentically with others. Drawing on strategies tested with hundreds of students and professionals, the course emphasizes how to combine self-reflection, networking tactics, and storytelling to land opportunities that align with your values and strengths. By the end, you’ll walk away with a personalized one-page Hunt Dashboard to guide your ongoing career journey.

🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/the-job-hunt

🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/

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15. Cardiovascular Physiology (cont.)

Mon, 14 Sep 2026 06:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman talks about electrical conductivity in the heart: that is, the generation and propagation of electrical potential in heart cells. He describes the role of ion channels and pumps in transporting sodium, potassium, and calcium ions to create action potential. This propagation of signal from the sinoatrial node through different tissues, which can be replaced by a pacemaker, eventually stimulates contraction of muscle fibers throughout the heart. Next, he describes the electrocardiograph and how each wave trace corresponds to the events caused by depolarization/repolarization of different heart tissues.

00:00 - Chapter 1. The Lipid Membrane and Electric Potential
08:02 - Chapter 2. Creation of Action Potential
15:50 - Chapter 3. Electrophysiological Differences Between Nervous System and Heart
22:43 - Chapter 4. The Cardiac Conduction System
26:46 - Chapter 5. The Heartbeat and EKG
40:35 - Chapter 6. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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Class 7 - Michael Hatridge: Measurement in cQED

Mon, 14 Sep 2026 06:00:00 -0000

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21. Andrew Johnson and the Radicals: A Contest over the Meaning of Reconstruction

Mon, 14 Sep 2026 05:49:00 -0000

The Civil War and Reconstruction (HIST 119)

In this lecture, Professor Blight begins his engagement with Reconstruction. Reconstruction, Blight suggests, might best be understood as an extended referendum on the meaning of the Civil War. Even before the war's end, various constituencies in the North attempted to control the shape of the post-war Reconstruction of the South. In late 1863, President Abraham Lincoln offered his lenient "Ten Percent Plan." Six months later, Congressional Republicans concerned by Lincoln's charity rallied behind the more radical provisions of the Wade-Davis Bill. Despite their struggle for control over Reconstruction, Congressional Radicals and President Lincoln managed to work together on two vital pieces of Reconstruction legislation in the first months of 1865--the 13th Amendment, which outlawed slavery in the United States, and the Freedmen's Bureau bill.

00:00 - Chapter 1. Introduction to Reconstruction
05:11 - Chapter 2. Reconstruction as a Forum to Understand the Civil War
13:37 - Chapter 3. The Early Debates on Reconstruction and Lincoln's Ten-Percent Plan
24:49 - Chapter 4. The Development of the Wade-Davis Manifesto
36:04 - Chapter 5. The Passing of the 13th Amendment and the Freedmen's Bureau
43:51 - Chapter 6. The Election of Andrew Johnson and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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22. Tissue Engineering

Mon, 14 Sep 2026 05:05:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman motivates the need for tissue engineering, and describes the basic elements of the tissue engineering approach. Professor Saltzman defines three different types of tissue transplants: autografts, allografts, and xenografts. An online resource for organ donors/recipients is presented, which stresses the great need for donors, and the important contribution of tissue engineering in producing/growing organs that can be used for this purpose. Next, Professor Saltzman compared drug and gene therapy, and discusses the use of stem cell in tissue engineering for wound healing. The need for compatible biomaterials to support growth and differentiation of stem cells into functional organ is also highlighted.

00:00 - Chapter 1. Introduction to Tissue Engineering
06:15 - Chapter 2. Challenges in Organ Transplantation
17:37 - Chapter 3. Cell Culturing in Tissue Engineering
32:34 - Chapter 4. Tissue Engineering in the Regulation of Healing Processes

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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11. Stocks

Mon, 14 Sep 2026 05:00:00 -0000

Financial Markets (ECON 252)

The stock market is the information center for the corporate sector. It represents individuals' ownership in publicly-held corporations. Although corporations have a variety of stakeholders, the shareholders of a for-profit corporation are central since the company is ultimately responsible to them. Companies offer dividends, stock repurchases and stock dividends to give profits back to shareholders or to signal information. Companies can also take on debt to raise capital, creating leverage. The Modigliani-Miller theory of a company's leverage in its simplest form implies the leverage ratio doesn't matter, but including bankruptcy costs and tax effects give us a positive theory of the ratio.

00:00 - Chapter 1. Introduction
04:24 - Chapter 2. The Corporation as a "Person"
14:02 - Chapter 3. Shares, Dilutions, and Stock Dividends
31:26 - Chapter 4. Distinguishing Earnings and Dividends, and Getting Money Out of Companies
42:38 - Chapter 5. Stock Repurchases and the Modigliani-Miller Proposition
57:13 - Chapter 6. Corporate Debt and Debt Irrelevance
01:07:58 - Chapter 7. The Lintner Model of Dividends

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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1. What Is Biomedical Engineering?

Mon, 14 Sep 2026 05:00:00 -0000

Frontiers of Biomedical Engineering (BENG 100)

Professor Saltzman introduces the concepts and applications of biomedical engineering, providing an overview of the course syllabus, reading materials for lecture and labs and grading logistics. Various pictures are shown to highlight the current application of biomedical engineering technologies in daily life (eg. chest x-ray, PET scan, operating room, gene chip, transport). Next, living standards and medical technologies of the past and present are compared to point out the impact of biomedical engineering as well as areas for improvement in the field. Finally, Professor Saltzman draws references from the poem "London Bridge" to illustrate some societal issues in making materials and devices in biomedical engineering.

00:00 - Chapter 1. Introduction
02:36 - Chapter 2. Biomedical Engineering in Everyday Life
18:43 - Chapter 3. A Brief History of Engineering
22:58 - Chapter 4. Biomedical Engineering in Disease Control
31:09 - Chapter 5. Course Overview and Logistics
39:23 - Chapter 6. Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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22. Supernovae

Mon, 14 Sep 2026 04:07:30 -0000

Frontiers/Controversies in Astrophysics (ASTR 160)

Professor Bailyn offers a review of what is known so far about the expansion of the universe from observing galaxies, supernovae, and other celestial phenomena. The rate of the expansion of the universe is discussed along with the Big Rip theory and the balance of dark energy and dark matter in the universe over time. The point at which the universe shifts from accelerating to decelerating is examined. Worries related to the brightness of high redshift supernovae and the effects of gravitational lensing are explained. The lecture also describes current project designs for detecting supernovae at high or intermediate redshift, such as the Joint Dark Energy Mission (JDEM) and Large Synoptic Survey Telescope (LSST).

00:00 - Chapter 1. From Acceleration to Deceleration of Universe Expansion
10:20 - Chapter 2. The Balance between Dark Energy and Dark Matter
18:59 - Chapter 3. Complications from Supernovae Brightness and Gravitational Lensing Effects
37:33 - Chapter 4. The Joint Dark Energy Mission (JDEM) and Large Synoptic Survey Telescope (LSST)

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2007.

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22. Stock Index, Oil and Other Futures Markets

Mon, 14 Sep 2026 04:00:00 -0000

Financial Markets (ECON 252)

Futures markets have expanded far beyond their initial application to farmer's planting and harvest cycles. These markets now allow investors and traders to set prices for a broad spectrum of assets and for a whole term structure stretching into the distant future. Some of these markets are often priced according to simple fair-value formulae, others are not. Futures markets can be in backwardation, where the future price is lower than the present, spot price. They can also be in contango, where the price rises with maturity and is higher in the future than it is today. The S&P/Case-Shiller Home Price Index is a recent invention that has transferred the mechanics of futures markets to the prices of single-family homes in ten real estate markets, in an effort to create a national market for residential real estate.

00:00 - Chapter 1. Introduction: On the Extinction of Ticker Tapes
01:49 - Chapter 2. How Futures Markets Included Financial Securities
18:06 - Chapter 3. Fair Value and the Influences of Contango and Backwardation
28:57 - Chapter 4. Volatility in the Oil Futures Market
41:31 - Chapter 5. Why Is the Price of Oil so High? On International Development, Nationalization, and World Politics
52:30 - Chapter 6. The Development of a Home Price Futures Market
01:08:01 - Chapter 7. The S&P Case-Shiller Home Price Index and Conclusion

Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses

This course was recorded in Spring 2008.

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America at 250: A History, DeVane Lecture, Class 3 – Declaring Independence

Mon, 14 Sep 2026 04:00:00 -0000

America at 250: A History. Class 3 “Declaring Independence”
Professor Joanne Freeman continues her exploration of the American Experiment with an inside view of the deliberations leading to the Declaration of Independence.

Recorded in Yale’s Battell Chapel. This one-time-only course examines U.S. history from 1776 to the present, in advance of the nation’s semiquincentennial (or 250th birthday) in 2026. Taught jointly by Professors Joanne Freeman, David Blight, and Beverly Gage, the course emphasizes the history of the nation-state and the contested nature of American national identity. All three scholars will deliver the course’s first and final lectures together, as an introduction and a wrap-up. In between, they will each deliver eight lectures individually based on their areas of expertise.

Joanne Freeman, the Alan Boles, Class of 1929 Professor of History and American Studies, and an expert in the revolutionary and early national periods of American history, will cover the period from the Revolution up through the 1830s, touching on such topics as the birth of party politics, the nature of “Jacksonian democracy,” and the rise of the reform and protest movements.
David Blight, Sterling Professor of History and African American Studies and one of the country’s foremost authorities on the history of slavery and the Civil War, will cover the Civil War era up through Reconstruction and the emergence of the Jim Crow laws.
Beverly Gage, John Lewis Gaddis Professor of History, who is currently writing a book on the nation’s past to mark the 250th anniversary of the signing of the Declaration of Independence, will pick up in the 1890s and continue through the end of the 20th century, addressing debates around immigration, wealth inequality, and the creation of the social welfare state.
The course explores U.S. political history broadly conceived–not just as a realm of presidents and elections and wars (though there will be plenty of those) but as a conversation across time between citizens about what the United States is, was, and was meant to be. It proceeds from the premise that the American Revolution was the first but not the last radical act of national reimagining in U.S. history.

A copy of the course syllabus with required readings can be downloaded at the bottom of the page at this link:
https://president.yale.edu/committees-programs/devane-lectures/america-at-250-a-history

To view all the classes in the DeVane Lecture series, go to this playlist link: https://youtube.com/playlist?list=PLh9mgdi4rNezTQrY_6XMNBWaZqLRdgpoq&feature=shared

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