I think a related story about the evolutionary link between jaw muscles and brain size was recently posted somewhere on HN. This article seems like a logical ex

I think a related story about the evolutionary link between jaw muscles and brain size was recently posted somewhere on HN. This article seems like a logical extension of that trend. http://www.nature.com/news/2004/040322/full/news040322-9.html http://www.nature.com/news/2004/040322/full/news040322-9.htm...