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

The 'Everything' Formula

The 'Everything' Formula

Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

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