Free Courses

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

Learn how global warming impacts human health, and the ways we can diminish those impacts.

The culmination of the MicroBachelors® program.

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

Explore how entrepreneurs build successful businesses by moving technology from lab to market.

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

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

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

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!

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

Learn the fundamentals of chemistry and energy, from the types of energy to atomic mass and matter to enthalpy and thermodynamics.

Build a movie recommendation system and learn the science behind one of the most popular and successful data science techniques.

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.

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

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

Expand your learning of chemistry and thermodynamics by exploring entropy, free energy, and equilibrium.

Learn about the Qin and Han dynasties, and how Buddhism and ideas of self-realization influenced the medieval period.

Develop skills in digital research and visualization techniques across subjects and fields within the humanities.

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

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.

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?

Learn to use R programming to apply linear models to analyze data in life sciences.

How can we eradicate malaria? Explore cutting-edge science and technology, and examine policies needed, to control and eliminate malaria.

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

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.

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

Join Harvard Medical School faculty Dr. Luana Marques to use applied psychology to build personal resilience with five science-driven skills.

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

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.