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This online lecture explores the implications of extracting and using energy resources, metals and mineral resources.

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

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

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

In this online course, the founder of a successful "farm-to-table" restaurant chain teaches cooking with local, organic ingredients. The course includes more than 15 video...

This online lecture series presents the theory of fundamental machine learning concepts. Topics covered in the video lectures include: Bayesian theory of optimal decisions...

This online lecture series explores the history of WWI.

This online course teaches more advanced concepts in Android, like using threads and services for background work, sharing data with intents and broadcast receivers, and proper...

Comprehensive language course in Irish. 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 video lecture provides a historical study of the origins of Christianity by analyzing the literature of the earliest Christian movements in historical context,...

In this online course, Oscar-winning director Ron Howard teaches directing. The course includes more than 20 video lessons and various supplemental materials.

The course covers basic concepts of biomedical engineering and their connection with the spectrum of human activity. It is designed for science and non-science majors.

This online lecture explores Science Fiction as a genre.

In this short online course, American designer Kelly Wearstler teaches the fundamentals of interior design.

In this online course, Chris Voss (a former FBI kidnapping negotiator) teaches how to negotiate. The course includes more than 10 video lessons and various supplemental materials.

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 course teaches the fundamentals of the Java programming language.It includes various interactive lessons and practical coding projects. (Also check out this overview of...

This course provides an overview of major works of social thought from the beginning of the modern era through the 1920s.Writers include Hobbes, Locke, Rousseau, Montesquieu,...

This online course teaches web development based on the Ruby on Rails framework.

This short online course explains the cosmic origin of the elements: The lighter elements were mostly produced in the Big Bang, and the rest were formed within stars and...