Free Courses

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

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.

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

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

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

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

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

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

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

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.

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

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

An introduction to the intellectual enterprises of computer science and the art of programming.

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

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

  Demonstrate your chemistry knowledge in the final exam.  

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

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

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

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.

Gain an understanding of history, museum studies, and curation by looking at, organizing, and interpreting art, artifacts, scientific curiosities, and the stuff of everyday life.

This course picks up where CS50 leaves off, diving more deeply into the design and implementation of web apps with Python, JavaScript, and SQL using frameworks like Django, React, and Bootstrap.

Learn the significance of electrochemistry, understanding how electrical, chemical, and mechanical energy are linked.

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

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

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

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

Combine literary research with data science to find answers in unexpected ways. Learn basic coding tools to help save time and draw insights from thousands of digital documents at once.

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

Learn how to protect children from violence, exploitation, and neglect through law, policy, and practice in a human rights framework.