Free Courses

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

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

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

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

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

Explore the roles that microbes play in the production, preservation, and enhancement of diverse foods in a variety of culinary traditions, and learn about the history of food fermentations.

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

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

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.

Find innovation opportunities in health care technology, management, consulting, or investing by examining health care cost, quality, and access.

Sentar las bases de conocimiento en R y aprender a discutir, analizar y visualizar datos.

  Demonstrate your chemistry knowledge in the final exam.  

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

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

Designed for current and aspiring nonprofit leaders, this course helps learners build the confidence needed to make stronger financial decisions in mission-driven organizations.

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

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

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

An overview of divination systems, ranging from ancient Chinese bone burning to modern astrology.

Understanding the context for the Ebola outbreak: What went right, what went wrong, and how we can all do better.

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

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

Learn to deliver high-quality primary health care at scale through national community health worker programs.

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

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

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

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

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