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Cosmology and Astronomy - Khan Academy 85 lessons

Videos attempting to grasp a little bit about our Universe (many of the topics associated with "Big History")

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Microeconomics and Macroeconomics - Khan Academy 130 lessons

Topics covered in an traditional college level introductory microeconomics and macroeconomics course

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Cryptography - Khan Academy 5 lessons

The basic ideas of cryptography as told by Brit Cruise

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Algebra - Khan Academy 96 lessons

Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra gives you

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Excel 2013 Tutorials For Beginners 61 lessons

Excel Tutorials For Beginners Playlist full of detailed Microsoft Excel 2013 Tutorials covering the most basic Excel features and how to use Excel. In this tutorials series you will learn Excel Charts

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Biology - Khan Academy 61 lessons

Covers topics seen in a first year college or high school biology course.

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Geometry - Khan Academy 113 lessons

Videos on geometry. Basic understanding of Algebra I necessary. After this, you'll be ready for Trigonometry. Geometry on Khan Academy: We are surrounded by space. And that space contains lots of t

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