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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...

Khan Academy provides various free introductory computer science video lessons. Topics include algorithms, cryptography, information theory, computer hardware and software,...

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

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

This online lecture discusses aspects of Decays in Quantum Field Theory.

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...

This online course gives an introduction to jQuery (a JavaScript library).

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...

This online lecture explores the basics of digital circuits.

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

In "The American Novel Since 1945" students will study a wide range of works from 1945 to the present. The course traces the formal and thematic developments of the novel in...

This online lecture series examines classical and modern developments in graph theory and additive combinatorics, with a focus on topics and themes that connect the two...

This online lecture gives an introduction to basic aspects of physics (mechanics, electricity etc.).

Comprehensive language course in Arabic. 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 German. 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 lecture gives an introduction to Cyber-Physical Systems (CPS), combining cyber capabilities (computation and/or communication) with physical capabilities (motion or...

This series of online lectures discusses various aspects about religion and interdisciplinary and interreligious academic and social discourse.

This online lecture considers the tremendous growth of integrating micro-electronic computing components with regard to their architectures, complexity, design and programming....

This online video lecture series gives an introduction to machine learning and pattern recognition.