Free Courses

Learn simple graphical rules that allow you to use intuitive pictures to improve study design and data analysis for causal inference.

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

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

Mobilize people to tackle tough problems and build the capacity to thrive through the dangers of change

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

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.

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

Embark on a global journey to explore the past, present, and future of world literature.

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

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

This introduction to moral and political philosophy is one of the most popular courses taught at Harvard College.

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

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.

A quantitative introduction to the energy system and its environmental impacts.

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

The structure, annotation, normalization, and interpretation of genome scale assays.

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

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

This intensive course, developed by the International Society for Stem Cell Research (ISSCR), offers a comprehensive exploration of key topics in stem cell medicine.

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

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

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

Study Japanese scroll art as text and as "little movies" that immerse the viewer through visual narration. 

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 what is involved in using data wisely to build a culture of collaborative inquiry. 

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

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

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

This course introduces learners to Machine Learning Operations (MLOps) through the lens of TinyML (Tiny Machine Learning). Learners explore best practices to deploy, monitor, and maintain (tiny) Machine Learning models in production at scale.

Develop the skills to lead with courage and conviction through challenging times with this free, 35-minute Harvard Business School (HBS) Online lesson.