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This course focuses on three particularly interesting areas of astronomy that are advancing very rapidly: Extra-Solar Planets, Black Holes, and Dark Energy. The course explores...

This video lecture gives an introduction to ceramics.

This online lecture focuses on the algorithms for analyzing and designing geometric foldings.

This online lecture series gives an introduction to galaxies and cosmology. It includes the Milky Way and the Local Group as well as larger-scale structures of the universe.

This short online course is designed for engineers, scientists, medical personnel, managers, and others who work with lasers and/or fiberoptics, or who anticipate working with...

This online lecture is a first-year college course on the principles of chemistry.

This online lecture series explores efforts by linguists and educators to make their research more inclusive, accessible and hospitable.

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 psychology. It explores human nature, including how the mind works, and how the brain supports the mind. Topics covered in...

This online lecture introduces the core theory of modern financial economics and financial management, with a focus on capital markets and investments.

This online lecture series covers the basic principles of Einstein's general theory of relativity, differential geometry, experimental tests of general relativity, black holes,...

This online course introduces microeconomic concepts and analysis, supply and demand analysis, theories of the firm and individual behavior, competition and monopoly, and...

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

Khan Academy provides various free introductory video lessons on health and medicine. Topics include human anatomy and physiology, circulatory system diseases, mental health,...

This online course gives a free introduction to digital currencies such as Bitcoin. It is also the first course of an online master's program in digital currencies from the...

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

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

This online video lecture series explores various advanced aspects of organic chemistry.

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

This course covers the emergence of modern France. Topics include the social, economic, and political transformation of France; the impact of France's revolutionary heritage, of...