Free Courses

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

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

Learn the principles guiding humanitarian response to modern emergencies, and the challenges faced in the field today.

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

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.

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

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

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

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 about the rich diversity of Hindu sacred texts – hymns, narratives, philosophical thought – and their interpretations.

Explore what makes cities energizing, amazing, challenging, and perhaps humanity’s greatest invention.

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

Learn how to better understand the rich and complex ways that religions function in historic and contemporary contexts.

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

This course examines the Sikh scripture from a doctrinal and historical perspective by providing an overview of Sikh teachings as well as the historical context within which the scripture evolved and became canonized.

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

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

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

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

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

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

The culmination of the MicroBachelors® program.

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

Learn about the key beliefs and practices of Judaism through an examination of its sacred texts and their interpretation.

Learn about the Earth, life, and how we can search for life elsewhere in the universe.

Learn probability, an essential language and set of tools for understanding data, randomness, and uncertainty.

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

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

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