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This online lecture series explores the metaphysics of life and death. It discusses topics such as various arguments for the existence of the soul, personal identity,...

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

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

This online course has lectures which cover commercial and emerging photovoltaic technologies and cross-cutting themes, including conversion efficiencies, loss mechanisms,...

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

These online lessons explain the basics of lower extremity anatomy. In addition to the free video lessons, further (paid) trainings are available.

This online course covers matrix theory and linear algebra, emphasizing topics useful in other disciplines such as physics, economics and social sciences, natural sciences, and...

This online lecture series explores real-world applications of category theory. Category theory provides a framework in which to organize formal systems and by which to...

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

This online lecture series gives an introduction to biology. It focuses on the basic principles of biochemistry, molecular biology, genetics, and recombinant DNA. The course...

This online lecture examines the neural bases of sensory perception. The focus is on physiological and anatomical studies of the mammalian nervous system as well as behavioral...

This online lecture is an introduction to the theory that tries to explain how minds are made from collections of simpler processes.

This series of video lectures explores various technologies involved in building distributed, data-intensive systems.

Diese Online-Vorlesung behandelt die Kunst und Architektur der USA.

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 video lecture series gives an introduction to neural networks and deep learning. It covers topics such as backpropagation, loss functions and optimization strategies,...

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

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,...

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

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...