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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 gives an introduction to SQL, the structured query language that is an important tool for business analysts, data analysts and data scientists.

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...

In this online course, Richard Branson teaches entrepreneurship. The course includes more than 10 video lessons and various supplemental materials.

Khan Academy provides various free introductory video lessons on electrical engineering. Topics include circuit analysis, amplifiers, semiconductors, electrostatics, signals and...

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

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.

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

Comprehensive language course in Hebrew. 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 introduces learners to the basics of Lua, a general-purpose programming language used for building games, web apps, and developer tools.

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

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

This online course includes various free introductory history video lessons. Topics include:The beginnings and the neolithic revolution; Ancient civilizations in...

These short online courses provided by Skillshare cover various topics around music, including music theory, music technology, music production, music composition, songwriting,...

Khan Academy provides various free introductory programming video lessons. Topics include JavaScript, HTML and CSS, SQL, and more.

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

Comprehensive language course in Japanese. 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 teaches intermediate techniques to transform table data in SQL.

This series of online courses explores the fundamental building blocks of data science, including statistics, data analysis, data visualization, programming with SQL and Python,...

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