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

This online course includes various free introductory history video lessons. Topics include:The beginnings and the neolithic revolution; Ancient civilizations in...

This online lecture series gives an introduction to quantum mechanics for use by chemists. Topics include particles and waves, wave mechanics, semi-classical quantum mechanics,...

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.

In this online course, Carlos Santana teaches how to play guitar. The course includes more than 10 video lessons and various supplemental materials.

The purpose of this online lecture is to expose undergraduate and graduate students to the mathematical concepts and techniques used in the financial industry.

This online course teaches Flask, a framework to turn Python programs into web sites and apps.

This online lecture series gives an introduction to galaxies and cosmology. It includes the Milky Way and the Local Group as well as larger-scale structures of the universe.

This online lecture series gives an introduction to political theory.

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

This online video lecture series explores potential manipulation and misinterpretation of data.

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

This online lecture covers eg.: 1. Direct Methods for linear systems of equations 2. Interpolation 3. Iterative Methods for non-linear systems of equations 4. Krylov methods for...

This online lecture series gives an introduction to General Relativity.In includes 12 video lectures by the University of Tübingen. Each lecture shows a table of contents that...

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...

In this online course, Oscar-winning director Ron Howard teaches directing. The course includes more than 20 video lessons and various supplemental materials.

This online video lecture series explores various advanced aspects of organic chemistry.

In this online course, Natalie Portman - who holds an Academy Award and two Golden Globe Awards - teaches acting.

This online course teaches the JavaScript language, jQuery, the JavaScript framework and the ins-and-outs of adding interactivity in the browser.

In this online course, Academy Award–winning filmmaker Spike Lee teaches his approach to directing, writing, and producing. The course includes more than 15 video lessons and...