The Scientific Way to Cut a Cake
The man who loved circles (Objectivity): https://youtu.be/AzmUCL1OHhs
A trilogy of mathematical cake cutting videos... http://bit.ly/CakeCuttingTrilogy
Alex Bellos on cutting a cake using scientific principles.
Extra footage at Numberphile2: http://youtu.be/d5ZmPuta47Q
Alex's book (US): http://amzn.to/1nDS4mM and (UK): http://bit.ly/AlexLooking
The Francis Galton paper: http://bit.ly/galtoncake