Free Courses

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

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

Learn how to create, read, update, and delete data with relational databases.

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

Examine best practices in child and family policies, advocacy, financing, and pathways to scale.

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.

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

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

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

Learn about China’s origins, its integral early thinkers, and competing states and schools of thought.

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

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

A quantitative introduction to the energy system and its environmental impacts.

Learn about the forces in American politics that seek to influence the electorate and shift the political landscape.

Learn to use machine learning in Python in this introductory course on artificial intelligence.

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

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

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.

Watch an information session featuring award-winning actress and PLC alumna Uzo Aduba.

Learn how global warming impacts human health, and the ways we can diminish those impacts.

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

Examine how great modern writers capture the intricacies of our globalized world and how their works circulate within that world to find their own audiences.

Use the case study method to study China from the rise of Deng Xiaoping to the present.

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

Happiness is within your control. Write your own ending.

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.

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

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.

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

Embark on a global journey to explore the past, present, and future of world literature.