How raw meat -- and our ancestors' inability to chew it -- changed the course of human evolution

Paleoanthropologist Daniel Lieberman chewed raw goat meat for the sake of science, so he knows from experience that it's a challenge.

"It's a little salty, and it's very tough," the Harvard University professor said. "You put it in your mouth and you chew and you chew and you chew and you chew,...

via L.A. Times - Science http://ift.tt/1pgNP3d