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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.

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

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,...

This online lecture series gives an introduction to political theory.

This online lecture gives an introduction to the architecture of supercomputers.

This online lecture discusses aspects of Organizational Psychology.

This online lecture series gives an introduction to international relations. It includes theoretical foundations (such as realism, liberalism, marxism and constructivism) as...

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 series of short YouTube video lessons explains the basic fundamentals of automotive engineering for beginners. It includes topics like engines, gearbox, transmission, and...

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

This is an online lecture taking a practical approach to proving problems can't be solved efficiently (in polynomial time and assuming standard complexity-theoretic assumptions...

This course explores the physical processes that control Earth's atmosphere, ocean, and climate. It includes topics like: clouds, rain, severe storms, air pollution, ocean...

This online video lecture series gives an introduction to political economy.

In this online course, contemporary artist Jeff Koons explores how color, scale, form, and more can help participants to create art.

In this online course, Jane Goodall shares her insights into animal intelligence, conservation, and activism. The course includes more than 20 video lessons and various...

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

Extensive German language course, also suitable for beginners. Learn with videos from native speakers with subtitles in English and German. Easy handling and rewinding of videos.

In this online course, "Gangster Gardener" Ron Finley teaches gardening skills and techniques, including how to grow your own food, keep your plants alive, and find beauty and...

This series of online courses explores the fundamental building blocks of computer science, including programming, development, algorithms, and data structures. The program...

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