From Scientific American:
A couple of million years ago or so, our hominid ancestors began exchanging their lowbrow looks for forehead prominence. The trigger for the large, calorie-hungry brains of ours is cooking, argues Richard W. Wrangham, the Ruth B. Moore Professor of Biological Anthropology at Harvard University’s Peabody Museum of Archaeology and Ethnology. He hit on his theory after decades of study of our closest cousin, the chimpanzee. For the Insights story “Cooking Bigger Brains,” appearing in the January 2008 Scientific American, Rachael Moeller Gorman talked with Wrangham about chimps, food, fire, human evolution and the evidence for his controversial theory. Here is an expanded interview.
More here.
