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

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

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

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

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

Gain critical communication skills in writing and public speaking with this introduction to American political rhetoric.

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

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

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

Explore how entrepreneurship and innovation tackle complex social problems in emerging economies.

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

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

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

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