Pitch Perfect: What really separates humans from the rest of the animal kingdom?
Aug 19, 2014 09:00AM ● Published by Cate Reynolds
Two million years ago we started developing the physical traits (shoulders, arms, torsos) that enabled us to hurl rock at prey with impressive accuracy and speed. “Eating more calorie-rich meat and fat would have allowed our ancestors to grow larger brains and bodies and expand into new regions of the world—all of which help make us who we are today,” concludes Roach.—S.H.
Bottom Line: Who knew? “He’s a truly evolved human being,” may be a surprisingly accurate description for either Stephen Strasburg or Chris Tillman.