Free Courses

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

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

Learn how electricity makes the neurons in your brain tick.

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.

Explore the underlying structures of everyday arguments and develop the tools to communicate effectively.

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

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.

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

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

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

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

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

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

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

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

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

Reimagine global health problems with some of the leading global health thinkers and actors through a case-based biosocial framework.

Take your introductory knowledge of Python programming to the next level and learn how to use Python 3 for your research.

Learn how early American politics informed the U.S. Constitution and why its promise of liberty and equality has yet to be fully realized.

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

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

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

Explore and understand your own theories of learning and leadership.

Learn to use machine learning in Python in this introductory course on 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 rich and diverse beliefs and practices of Buddhists across time and place. Experience Buddhism through its scriptures, both relationally as well as academically.

Learn the skills and tools of improvement science to make positive changes in health, healthcare, and your daily life.

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

  Demonstrate your chemistry knowledge in the final exam.