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The Khan Academy is a non-profit[2] educational organization, created in 2006 by American[3] educator Salman Khan, a graduate of MIT. With the stated mission of "providing a high quality education to anyone, anywhere", the website supplies a free online collection of more than 3,000 micro lectures via video tutorials stored on YouTube teaching mathematics, history, healthcare and medicine, finance, physics, chemistry, biology, astronomy, economics, cosmology, organic chemistry, American civics, art history, microeconomics and computer science.

http://en.wikipedia.org/wiki/Khan_Academy

[phim_anlien]http://www.youtube.com/watch?v=gM95HHI4gLk[/phim_anlien] Khan at TED 2011 with Bill Gates.

Get tutoring online:

http://www.khanacademy.org/