UREM-ULB :
Unité de Recherche sur l’Enseignement des Mathématiques

http://www.ted.com/talks/lang/eng/marcus_du_sautoy_symmetry_reality_s_riddle.html

About this talk

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.
About Marcus du Sautoy

Oxford’s newest science ambassador Marcus du Sautoy is also author of The Times’ Sexy Maths column. He’ll take you footballing with prime numbers, whopping symmetry groups, higher dimensions ...