Free Courses

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

Learn probability, an essential language and set of tools for understanding data, randomness, and uncertainty.

Happiness is within your control. Write your own ending.

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

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

Learn about the rich and diverse beliefs and practices of Buddhists across time and place. Experience Buddhism through its scriptures, both relationally as well as academically.

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

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

Equipping clinicians with an up‑to‑date, comprehensive understanding of stem cell–based approaches for Parkinson’s disease, including biological rationale, current trial outcomes, comparison with existing therapies, and guidance for evidence.

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

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

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

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

A focus on several techniques that are widely used in the analysis of high-dimensional data.

Explore and understand your own theories of learning and leadership.

An overview of divination systems, ranging from ancient Chinese bone burning to modern astrology.

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

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.

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

In Remote Work Revolution for Everyone, you will learn to excel in the virtual-work landscape. You will learn how to build trust, increase productivity, use digital tools intelligently, and remain fully aligned with your remote team.

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

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

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

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

  Demonstrate your chemistry knowledge in the final exam.  

Explore how entrepreneurs build successful businesses by moving technology from lab to market.

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.

This course is a variant of Harvard University's introduction to computer science, CS50, designed especially for lawyers (and law students).

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!

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