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In this non-technical online course for a broad audience, the former commander of the International Space Station (ISS) teaches the science of space exploration. It includes...

Free Esperanto language app with many short tests to learn "on the go". (Not a video course.)

In this online course, mindfulness expert Jon Kabat-Zinn teaches how to incorporate meditation into everyday life. The course includes more than 15 video lessons and various...

Free German language app with many short tests to learn "on the go". (Not a video course.)

In this online course, Hillary Rodham Clinton shows how to overcome setbacks and build a life of principle and purpose.

This course shows the basics of SQL data analysis to explore dips and spikes in data and build business metrics.

This course teaches how to program in R, which is a popular language used by data scientists and researchers.

This online course teaches how to program in Python, a powerful and popular programming language. Many students learn Python as their first programming language.

This series of online courses gives an overview of the fundamentals of programming and computer science. The courses explore what computer science is, how web development works,...

Khan Academy provides various free introductory mathematics video lessons. Topics include elementary math, algebra, geometry, calculus, trigonometry, differential equations,...

Comprehensive language course in Chinese (Mandarin). The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning...

In this online course, six-time World Series of Poker champion Daniel Negreanu teaches advanced poker theory and practice through hand-reviews of his winning games. The course...

This online course introduces learners to the Flutter framework with interactive lessons on basic app components.

Free Hungarian language app with many short tests to learn "on the go". (Not a video course.)

Free Portuguese language app with many short tests to learn "on the go". (Not a video course.)

Khan Academy provides various free introductory anatomy video lessons. Topics include the circulatory system, respiratory system, urinary system, hematologic system, immunologic...

In this online course, best-selling author Judy Blume teaches writing. The course includes more than 20 video lessons and various supplemental materials.

Free Russian language app with many short tests to learn "on the go". (Not a video course.)

In this online course, supermodel Naomi Campbell teaches the art of modeling. The course includes 8 video lessons and various supplemental materials.

In this online course, Natalie Portman - who holds an Academy Award and two Golden Globe Awards - teaches acting.