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

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

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

Explore the underlying structures of everyday arguments and develop the tools to communicate effectively.

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

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

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 electricity makes the neurons in your brain tick.

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

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

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

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

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

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

Happiness is within your control. Write your own ending.