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.
In her new book Paleofantasy: What Evolution Really Tells Us About Sex, Diet and How We Live, University of Minnesota biologist Marlene Zuk explains why the paleo lifestyle is based on incorrect assumptions about how evolution works. In this excerpt, she lays out her argument — and it's pretty damn compelling.