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Khan Academy provides various free introductory biology video lessons. Topics include acids and bases, properties of carbon, macromolecules, energy / metabolism, enzymes, cell...

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

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

Khan Academy provides various free lessons for learners who prepare for the SAT test.

In this online course, legendary chef Wolfgang Puck teaches cooking. The course includes more than 15 video lessons and various supplemental materials.

Comprehensive language course in Filipino (Tagalog). 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, Oscar winner Helen Mirren teaches acting. The course includes more than 20 video lessons and various supplemental materials.

In this online course, popular astrophysicist and scientist Neil deGrasse Tyson teaches scientific thinking and communication.

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

This online course gives an introduction to artificial intelligence and deep learning for programmers.

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

In this online course, Michelin star-holding chef Thomas Keller teaches cooking. The course includes more than 30 video lessons and various supplemental materials.

This course teaches how to build web apps with Ruby on Rails 4, giving learners the skills to use Ruby on Rails to create their own apps.

This online course teaches how to manage data with SQL, including mastering complex commands to manipulate and query data stored in relational databases. It includes topics such...

In this online course, legendary producer "deadmau5" (Joel Zimmerman) teaches the art of producing electronic music. The course includes more than 20 video lessons and various...

In this online course, former U.S. President George W. Bush teaches leadership. The course includes more than 10 video lessons and various supplemental materials.

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

Khan Academy provides various free introductory video lessons on astronomy and cosmology. Topics include the scale of the universe, the Big Bang, stars, black holes, galaxies,...

This online course teaches intermediate techniques to transform table data in SQL.

In this online course, the world´s #1 women´s tennis player Serena Williams teaches everything from core techniques to fitness drills and improving the mental game. The course...