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

The 'Everything' Formula

The 'Everything' Formula

Matt Parker discusses Tupper's Self-Referential Formula.

Matt's book on Amazon (US): http://bit.ly/Matt_4D_US

Matt's book on Amazon (UK): http://bit.ly/Matt_4D_UK

A little bit of extra footage from this video: http://youtu.be/wx22jdwn5zQ

That Viral Math Problem (Cheryl's Birthday)

That Viral Math Problem (Cheryl's Birthday)

Ditching the Fifth Axiom

Ditching the Fifth Axiom