Free Courses

A gentle introduction to programming that prepares you for subsequent courses in coding.

Happiness is within your control. Write your own ending.

An introduction to the study of bioethics and the application of legal and ethical reasoning.

Explore the archaeology, history, art, and hieroglyphs surrounding the famous Egyptian Pyramids at Giza. Learn about Old Kingdom pharaohs and elites, tombs, temples, the Sphinx, and how new technology is unlocking their secrets.

Learn about Claudio Monteverdi’s L’Orfeo, one of the first operas ever written.

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

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

Explore the ethical controversies of financial markets.

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

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

Learn about the forces in American politics that seek to influence the electorate and shift the political landscape.

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

An overview of divination systems, ranging from ancient Chinese bone burning to modern astrology.

This course is a variant of Harvard University's introduction to computer science, CS50, designed especially for lawyers (and law students).

Increase your quantitative reasoning skills through a deeper understanding of probability and statistics, with the engaging “Fat Chance” approach that’s made this course a favorite among learners worldwide.

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.

Examine how cultures of the ancient world defined themselves through literature and how their vision of literature contributes to our understanding of civilization, culture, and literature today.

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

Combine literary research with data science to find answers in unexpected ways. Learn basic coding tools to help save time and draw insights from thousands of digital documents at once.

Show what you’ve learned from the Professional Certificate Program in Data Science.

Learn about China’s origins, its integral early thinkers, and competing states and schools of thought.

Learn about Beethoven’s monumental 9th Symphony and forms of orchestral music.

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

Learn about the opioid epidemic in the United States, including information about treatment and recovery from opioid addiction.

Learn to deliver high-quality primary health care at scale through national community health worker programs.

Equipping clinicians with an up‑to‑date, comprehensive understanding of stem cell–based approaches for Parkinson’s disease, including biological rationale, current trial outcomes, comparison with existing therapies, and guidance for evidence.

Learn the significance of electrochemistry, understanding how electrical, chemical, and mechanical energy are linked.

An in-depth look at the 1854 London cholera epidemic in Soho and its importance for the field of epidemiology.

Apply tools of single-variable calculus to create and analyze mathematical models used by real practitioners in social, life, and physical sciences.

An introduction to the intellectual enterprises of computer science and the art of programming.