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This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Happy Ending Problem

Happy Ending Problem

Professor Ron Graham discusses the famed Happy Ending Problem and Ramsey Theory.

More Ron Graham Videos: http://bit.ly/Ron_Graham

An extra little bit at: http://youtu.be/hnIBiIcuudU
Graham's Number: http://youtu.be/XTeJ64KD5cg

Fundamental Theorem of Algebra

Fundamental Theorem of Algebra

Mathematical Way to Choose a Toilet

Mathematical Way to Choose a Toilet