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In this online course, Mariah Carey teaches how to use the voice as an instrument. The course includes several video lessons and various supplemental materials.

This course teaches how to program in PHP, which is one of the most popular languages of modern web development.

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

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

This online lecture series presents the theory of fundamental machine learning concepts. Topics covered in the video lectures include: Bayesian theory of optimal decisions...

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,...

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

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

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 video lecture gives an introduction to the area of machine learning. Lecture slides are shown together with the lessons.

This online course program gives an introduction to back-end programming. It includes basic skills such as programming servers and client-side interfaces and designing...

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

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 about transportation analysis uses modeling and simulation to address the mathematical background while modeling transportation system scenarios such as...

This course consists of an international analysis of the impact of epidemic diseases on western society and culture from the bubonic plague to HIV/AIDS and the recent experience...

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,...

This online video lecture series gives an introduction to Natural Language Understanding as a sub-problem of artificial intelligence.

This online lecture / workshop discusses how some empirically unconfirmed or inconclusively confirmed theories in physics have nevertheless attained a high degree of trust among...

This online lecture explores the implications of extracting and using energy resources, metals and mineral resources.