Free Courses

Learn about the Quran, the central sacred text of Islam, through an exploration of the rich diversity of roles and interpretations in Muslim societies.

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.

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

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

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

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

An introduction to programming using Python, a popular language for general-purpose programming, data science, web programming, and more.

Traces Albert Einstein’s engagement with relativity, quantum mechanics, Nazism, nuclear weapons, philosophy, the arts, and technology.

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

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

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

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

The Introduction to Nonprofit Accounting and Financial Statements webinars provide a great opportunity to learn the basic principles of nonprofit accounting.

Explore the archaeology, history, art, and hieroglyphs surrounding the famous Egyptian Pyramids at Giza. Learn about Old Kingdom pharaohs and elites, tombs, temples, the Sphinx, and how new technology is unlocking their secrets.

Explore the reunification of China under the Tang with a focus on aristocratic culture — from poetry to calligraphy to literature.

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

Explore and understand your own theories of learning and leadership.

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

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

Learn about Hector Berlioz’s Symphonie Fantastique, an iconic Romantic symphony that ushered in an era of narrative “program music.”

Learn about the Qin and Han dynasties, and how Buddhism and ideas of self-realization influenced the medieval period.

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

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

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

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.

Access to healthcare services is critical – but is it enough?

Learn about Beethoven’s monumental 9th Symphony and forms of orchestral music.

Learn about the development of 2D and 3D interactive games in this hands-on course, as you explore the design of games such as Super Mario Bros., Pokémon, Angry Birds, and more.

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.

Explore how entrepreneurship and innovation tackle complex social problems in emerging economies.