The Compass - Changing World, Changing Bodies - How is modern living changing our feet? - ÃÛÑ¿´«Ã½ Sounds

The Compass - Changing World, Changing Bodies - How is modern living changing our feet? - ÃÛÑ¿´«Ã½ Sounds
Changing World, Changing Bodies
An evolutionary biologist explains why our feet have become larger, flatter and weaker