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

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

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

This introduction to moral and political philosophy is one of the most popular courses taught at Harvard College.

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.

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

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

Develop the skills to lead with courage and conviction through challenging times with this free, 35-minute Harvard Business School (HBS) Online lesson.

Happiness is within your control. Write your own ending.

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

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

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?

Learn salary negotiation techniques with this free, 15-minute Harvard Business School (HBS) Online lesson taught by Mike Wheeler of Negotiation Mastery.

Learn how electricity makes the neurons in your brain tick.

Build a foundation in R and learn how to wrangle, analyze, and visualize data.