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

This online video lecture provides a historical study of the origins of Christianity by analyzing the literature of the earliest Christian movements in historical context,...

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

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

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

This short online lecture discusses proof for God´s existence. It is a guest lecture at Universität München held in English after a brief introduction in German.

In this online course, Michelin star-holding chef Thomas Keller teaches cooking. The course includes more than 30 video lessons and various supplemental materials.

This online course teaches web development based on the Ruby on Rails framework.

This online lecture concentrates on close analysis and criticism of a wide range of films, from the early silent period, classic Hollywood genres including musicals, thrillers...

This online course gives an introduction to core microeconomic issues in economic development, focusing on both key theoretical contributions and empirical applications to...

The course is structured around three intertwined sets of topics: Happiness and Flourishing; Morality and Justice; and Political Legitimacy and Social Structures. It covers...

Khan Academy provides various free lessons for learners who prepare for the MCAT test.

This online course teaches basic programming knowledge to build your first PHP websites.

This online lecture covers the fundamentals of signal and system analysis, focusing on representations of discrete-time and continuous-time signals (singularity functions,...

This online lecture gives an introduction to the architecture of supercomputers.

This online lecture is an introductory exploration of documentary film theory and production, focusing on documentaries about science, engineering, and related fields.

This online course gives an introduction to the programming language Ruby.

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