Contributed by: filbert Friday, August 15 2008 @ 09:16 AM CST
So says this article from LiveScience[*1] :
About 2 million years ago, the human brain rapidly increased its mass until it was double the size[*2] of other primate brains.
“This happened because we started to eat better food, like eating more meat,” said researcher Philipp Khaitovich of the Partner Institute for Computational Biology in Shanghai.
Stay smart. Eat meat.