Free Courses

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

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

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

Learn about successful collaborations between families and educators and why they lead to improved outcomes for students and schools.

Explore how genomic patterns help us understand infectious disease transmission.

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

Learn about public policy in America and the dynamics of American politics.

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

  Demonstrate your chemistry knowledge in the final exam.  

Contracts are a part of our everyday life, arising in collaboration, trust, promise and credit. How are contracts formed? What makes a contract enforceable? What happens when one party breaks a promise?

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

This introduction to biochemistry explores the molecules of life, starting at simple building blocks and culminating in complex metabolism.

Happiness is within your control. Write your own ending.

This free webinar from HKS Professor Matthew Bunn tours the horizon of nuclear dangers.

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

Increase your quantitative reasoning skills through a deeper understanding of probability and statistics, with the engaging “Fat Chance” approach that’s made this course a favorite among learners worldwide.

A gentle introduction to programming that prepares you for subsequent courses in coding.

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.

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

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

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

Learn how to use R to implement linear regression, one of the most common statistical modeling approaches in data science.

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

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.

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

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

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

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

Get the opportunity to see TinyML in practice. You will see examples of TinyML applications, and learn first-hand how to train these models for tiny applications such as keyword spotting, visual wake words, and gesture recognition.

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