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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,...

Khan Academy provides various free introductory macroeconomics video lessons. Topics include national income and the GDP, inflation, demand and supply, business cycles, the...

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 video lecture series gives an introduction to Artificial Intelligence (AI).

This online lecture covers the experimental basis of quantum physics. It introduces wave mechanics, Schrödinger's equation in a single dimension, and Schrödinger's equation in...

This series of online lectures explores the physical and social form of cities. It covers theories about the form that settlements should take and attempts a distinction between...

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

This online video lecture series gives an introduction to machine learning and pattern recognition.

This online course discusses numerical methods for Partial Differential Equations (PDE).

This online course gives an introduction to TypeScript (a programming language that builds on JavaScript).

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 gives an introduction to self-driving cars and their technology.

This online course teaches how to use relative units and media queries to create websites that can be viewed across devices of all sizes.

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

This online lecture explores the dynamics of evolution, including various mathematical models.

This online lecture series explores new technologies that are disrupting the financial services industry, including AI, deep learning, blockchain technology and open APIs. The...

This online lecture series explores functional analysis, i.e. solving both linear and nonlinear problems posed on a normed space that is no longer finite-dimensional. Topics...

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.

In this online course, Richard Branson teaches entrepreneurship. The course includes more than 10 video lessons and various supplemental materials.

In this online course, bestseller author James Patterson teaches the art of the book writing process. The course includes more than 20 video lessons and various supplemental...