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

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

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

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...

This course teaches how to program in Ruby, a flexible language used to create many websites.

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

Khan Academy provides various free introductory mathematics video lessons. Topics include elementary math, algebra, geometry, calculus, trigonometry, differential equations,...

In "The American Novel Since 1945" students will study a wide range of works from 1945 to the present. The course traces the formal and thematic developments of the novel in...

This is an online lecture for those who are interested in the challenge posed by massive and persistent world poverty.The course discusses aspects such as:different growth rates...

Khan Academy provides various free introductory biology video lessons. Topics include acids and bases, properties of carbon, macromolecules, energy / metabolism, enzymes, cell...

This online lecture series gives an introduction to international relations. It includes theoretical foundations (such as realism, liberalism, marxism and constructivism) as...

This online lecture series gives an introduction to blockchain technology and its potential use in the world of money and finance.

Khan Academy provides various free introductory chemistry video lessons. Topics include atoms and compounds, chemical reactions, the periodic table, chemical bonds,...

This online lecture gives an overview of scepticism in the context of Jewish philosophy.

This online lecture is an introduction to several fundamental ideas in electrical engineering and computer science, using digital communication systems as the vehicle.

This online course explores the fundamentals of JavaScript, the programming language of the Web.The course was designed for learners who have some knowledge of HTML and CSS and...

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...

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

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

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...