Free Courses

Learn to forecast the weather just by looking out your window.

Examine best practices in child and family policies, advocacy, financing, and pathways to scale.

Why should we care about Confucius? Explore ancient Chinese philosophy, ethics, and political theory to challenge your assumptions of what it means to be happy, live a meaningful life, and change the world.

Access to healthcare services is critical – but is it enough?

Learn probability theory — essential for a data scientist — using a case study on the financial crisis of 2007–2008.

Learn how to use decision trees, the foundational algorithm for your understanding of machine learning and artificial intelligence.

  Demonstrate your chemistry knowledge in the final exam.  

Explore China’s imperial period, with a focus on the Song dynasty and the role of the exam system in government.

Keep your projects organized and produce reproducible reports using GitHub, git, Unix/Linux, and RStudio.

Understanding the context for the Ebola outbreak: What went right, what went wrong, and how we can all do better.

Learn probability, an essential language and set of tools for understanding data, randomness, and uncertainty.

Learn how electricity makes the neurons in your brain tick.

Explore the underlying structures of everyday arguments and develop the tools to communicate effectively.

Explore the Maoist period of China, from the Communist Party to the death of Mao and the reopening of China.

Learn about successful collaborations between families and educators and why they lead to improved outcomes for students and schools.

Explore the reunification of China under the Tang with a focus on aristocratic culture — from poetry to calligraphy to literature.

Study Baroque and Classical opera through Handel’s Giulio Cesare and Mozart’s Don Giovanni

Learn fundamental principles of architecture — as an academic subject or a professional career — by studying some of history’s most important buildings.

Explore the roles that microbes play in the production, preservation, and enhancement of diverse foods in a variety of culinary traditions, and learn about the history of food fermentations.

This course picks up where CS50 leaves off, diving more deeply into the design and implementation of web apps with Python, JavaScript, and SQL using frameworks like Django, React, and Bootstrap.

This introduction to biochemistry explores the molecules of life, starting at simple building blocks and culminating in complex metabolism.

Explore and understand your own theories of learning and leadership.

Top chefs and Harvard researchers explore how traditional and modernist cooking techniques can illuminate basic principles in chemistry, physics, and engineering. Learn about elasticity, viscosity, mayonnaise, baking, and more!

In Remote Work Revolution for Everyone, you will learn to excel in the virtual-work landscape. You will learn how to build trust, increase productivity, use digital tools intelligently, and remain fully aligned with your remote team.

Understand how the FDA regulates pharmaceuticals and explore debates on prescription drug costs, marketing, and testing.

Happiness is within your control. Write your own ending.

An introduction to programming using Python, a popular language for general-purpose programming, data science, web programming, and more.

An introduction to basic statistical concepts and R programming skills necessary for analyzing data in the life sciences.

Use the case study method to study China from the rise of Deng Xiaoping to the present.

Learn introductory programming and data analysis in MATLAB, with applications to biology and medicine.