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

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

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

This course encompasses the study of eating as it affects the health and well-being of every human. Topics include taste preferences, food aversions, the regulation of hunger...

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 video lecture discusses the computational complexity theory, including the Chomsky hierarchy, (un-) decidability,SPACE versus TIME, EXPSPACE and more advanced topics.

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

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

This online lecture by Yale University provides an introduction to the principles and methods of physics.The course covers Newtonian mechanics, special relativity, gravitation,...

This online course (part 2 of 2 courses) teaches how to build powerful interactive applications with this popular JavaScript library. React is an open source library developed...

This online lecture discusses aspects of Decays in Quantum Field Theory.

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,...

The overall goal of this course is to familiarize the students with the potential, the requirements and the problems of designing dynamic biological elements that are of central...

This online course gives an introduction to the programming language Java. It includes 8 lessons covering the fundamental syntax as well as objects, strings, data structures and...

This video lecture discusses model driven software engineering (theory and tool support).

This online course teaches how to build web apps with one of the most portable and in-demand programming languages available.

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

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...

This online lecture is a first-year college course on the principles of chemistry.

This online lecture includes the energy levels, the statistical behavior and internal energy, energy transport in the forms of waves and particles, scattering and heat...