Free Courses

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

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

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

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

Explore acts of storytelling in Shakespeare’s Othello alongside world-class artists who interpret Othello’s story in new forms and contexts today.

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.

Examine the inner workings of the three branches of the U.S. Federal Government

Learn advanced approaches to genomic visualization, reproducible analysis, data architecture, and exploration of cloud-scale consortium-generated genomic data.

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

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

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

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

An exploration of the magnetic and ambivalent character of Shylock in William Shakespeare’s The Merchant of Venice.

The Introduction to Nonprofit Accounting and Financial Statements webinars provide a great opportunity to learn the basic principles of nonprofit accounting.

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.

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

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

Learn how electricity makes the neurons in your brain tick.

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

HKS Executive Education and Harvard's John A. Paulson School of Engineering and Applied Sciences present a webinar featuring Harvard faculty Martin Wattenberg and Fernanda Viégas.

A focus on several techniques that are widely used in the analysis of high-dimensional data.

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.

Happiness is within your control. Write your own ending.

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.

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

Learn about Christianity through a study of its sacred scriptures. We will explore how diverse Christians have interpreted these writings and practiced their teachings over a 2000 year, global history.

Learn inference and modeling: two of the most widely used statistical tools in data analysis.

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

Learn how to protect children from violence, exploitation, and neglect through law, policy, and practice in a human rights framework.

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