Numberphile | A Hairy Problem (and a Feathery Solution) - Numberphile @numberphile | Uploaded 1 year ago | Updated 4 hours ago
With Ben Sparks. Episode sponsor is MEL Science. Visit melscience.com/sBLS and use code Numberphile for 50% discount.
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Includes The Pigeon Hole Principle.

Ben Sparks on the Numberphile Podcast: youtu.be/-tGni9ObJWk
More Ben Sparks on Numberphile: http://bit.ly/Sparks_Playlist

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