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

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

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

This course will examine the American Revolution from a broad perspective, tracing the participants' shifting sense of themselves as British subjects, colonial settlers,...

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

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

Basic principles of statistical mechanics are examined in this online lecture, such as the laws of thermodynamics and the concepts of temperature, work, heat, and entropy....

This lecture series addresses questions related to the foundations of Quantum Mechanics. Topics include: Bell´s inequalities and Entanglement, Measurements, Decoherence and the...

Extensive Mandarin language course, also suitable for beginners. Learn with videos from native speakers with subtitles in English and Mandarin. Easy handling and rewinding of...

This course explores the causes, course, and consequences of the American Civil War, from the 1840s to 1877.

Comprehensive language course in Chinese (Mandarin). The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning...

This online course teaches how to use color effectively to create attractive and useable websites.

This video lecture series provides an introduction to modern cosmology. The first part of the course deals with classical cosmology, and the later part with modern particle...

This course teaches how to add sign up, log in, and log out functionality to Rails apps, as well as how to manage access to specific pages.