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This string theory lecture focuses on holographic duality (also known as gauge / gravity duality or AdS / CFT) as a novel method of approaching and connecting a range of diverse...

This online course teaches how to build powerful interactive applications with this popular JavaScript library. React is an open source library developed by Facebook.

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, Natalie Portman - who holds an Academy Award and two Golden Globe Awards - teaches acting.

This course provides an integrated introduction to electrical engineering and computer science, taught using substantial laboratory experiments with mobile robots.

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...

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

This online lecture uses the theory and application of atomistic computer simulations to model, understand, and predict the properties of real materials.

This course teaches the use of Git, a source code management system for software development. It shows how to create and explore a simple Git-managed project.

This online course teaches how to build interactive websites by learning the fundamentals of HTML, CSS, and JavaScript.

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 online lecture course is intended as an introduction to political philosophy as seen through an examination of some of the major texts and thinkers of the Western political...

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

This course covers the body of modern poetry, its characteristic techniques, concerns, and major practitioners. The authors discussed range from Yeats, Eliot, and Pound, to...

This online lecture series presents the Early Middle Ages in Western European development, from the accession of Diocletian to the feudal transformation. It covers topics such...

This lecture provides an Introduction to Indian Culture.

This online lecture by Yale University provides an introduction to the principles and methods of physics.The course covers Newtonian mechanics, special relativity, gravitation,...

This online video lecture series explores various technology trends and fields of innovation.

This online course teaches the JavaScript language, jQuery, the JavaScript framework and the ins-and-outs of adding interactivity in the browser.

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...