Free Courses

Learn how electricity makes the neurons in your brain tick.

Happiness is within your control. Write your own ending.

Top chefs and Harvard researchers explore how traditional and modernist cooking techniques can illuminate basic principles in chemistry, physics, and engineering. Learn about elasticity, viscosity, mayonnaise, baking, and more!

  Demonstrate your chemistry knowledge in the final exam.  

Explore the ethical controversies of financial markets.

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

Explore how genomic patterns help us understand infectious disease transmission.

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

Learn the anatomy basic to understanding five musculoskeletal injuries commonly seen in primary care medicine and orthopedic clinical specialty practice. Follow hypothetical patients from injury to operating room.

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

How can we eradicate malaria? Explore cutting-edge science and technology, and examine policies needed, to control and eliminate malaria.

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

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

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

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

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

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

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 how American women created, confronted, and embraced change in the 20th century while exploring ten objects from Radcliffe’s Schlesinger Library.

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

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

Learn advanced approaches to genomic visualization, reproducible analysis, data architecture, and exploration of cloud-scale consortium-generated genomic data.

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

Learn skills and tools that support data science and reproducible research, to ensure you can trust your own research results, reproduce them yourself, and communicate them to others.

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 to face and meet today’s challenges and design a public value proposition that is both actionable and value creating.

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

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

A human-centered approach to the fundamentals of cell biology with a focus on the power plants of the cell - mitochondria.

Learn introductory programming and data analysis in MATLAB, with applications to biology and medicine.