The world turns on symmetry — from the spin of subatomic particles to the dizzying beauty of an arabesque. But there’s more to it than meets the eye. Here, Oxford mathematician Marcus du Sautoy offers a glimpse of the invisible numbers that marry all symmetrical objects. (Recorded at TEDGlobal 2009, July 2009, Oxford, UK. Duration: 18:19)

via TED Blog: Symmetry, reality’s riddle: Marcus du Sautoy on TED.com.

Want your own symmetrical object? Buy one for charity at Du Sautoy’s Common Hope page on First Giving.