Free Courses

A human-centered approach to the fundamentals of cell biology with a focus on the power plants of the cell - mitochondria.

Top chefs and Harvard researchers explore how everyday cooking and haute cuisine can illuminate basic principles in chemistry, physics, and engineering. Learn about food molecules and how chemical reactions can affect food texture and flavor.

An exploration of the haunting figure at the heart of one of William Shakespeare’s most famous plays.

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

Join Harvard University instructor Pavlos Protopapas in this online course to learn how to use Python to harness and analyze data.

Learn about Hector Berlioz’s Symphonie Fantastique, an iconic Romantic symphony that ushered in an era of narrative “program music.”

Learn how the Manchus conquered the Qing and established the last of the imperial dynasties.

Learn how American women created, confronted, and embraced change in the 20th century while exploring ten objects from Radcliffe’s Schlesinger Library.

Learn to use machine learning in Python in this introductory course on artificial intelligence.

Examine how great modern writers capture the intricacies of our globalized world and how their works circulate within that world to find their own audiences.

Learn how a Culture of Health can transform your business by integrating worker, customer, community, and environmental well-being for sustainable success.

An overview of modern Chinese history, including the fall of the Qing and the end of imperial China.

Learn about public policy in America and the dynamics of American politics.

Learn skills and tools that support data science and reproducible research, to ensure you can trust your own research results, reproduce them yourself, and communicate them to others.

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.

Explore the birth of modern China with a focus on the time between the fall of the Qing and the end of World War II.

Learn how early American politics informed the U.S. Constitution and why its promise of liberty and equality has yet to be fully realized.

Learn to process and convert raw data into formats needed for analysis.  

Discover what makes your brain tick in this third course in our introductory series in neuroscience.

Perform RNA-Seq, ChIP-Seq, and DNA methylation data analyses, using open source software, including R and Bioconductor.

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

Discover Handel’s Messiah in this installment of First Nights, which will explore five masterpieces of western music.

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

Happiness is within your control. Write your own ending.

Join Harvard faculty in this online course to discover the physical history of the Jewish bible.

Contracts are a part of our everyday life, arising in collaboration, trust, promise and credit. How are contracts formed? What makes a contract enforceable? What happens when one party breaks a promise?

This is CS50’s introduction to computer science and tech literacy for business professionals.

Learn how to use R to implement linear regression, one of the most common statistical modeling approaches in data science.

Learn how to protect your own data, devices, and systems from today's threats.

Build a foundation in R and learn how to wrangle, analyze, and visualize data.