Ask biologist Marlene Zuk anything you want about human evolution

Marlene Zuk is an evolutionary biologist, and the author of the new book Paleofantasy: What Evolution Really Tells Us About Sex, Diet, and How We Live. It's a cogent and funny look at common myths about human evolution. Today she's here from 12-1 PM Pacific Time to talk to you about evolution. » 5/24/13 11:00am 5/24/13 11:00am