What Made Us “Human” Sliced Meat 1.8 mm yrs Ago

By 1.8 million years ago, Homo erectus sliced up raw meat with stone tools before eating it…It was a momentous move, making it possible to consume more calories while reducing chewing effort…Faces and jaws got smaller while an energy-rich diet allowed brains and bodies to enlarge…Evolutionary shrinkage of bones and muscles involved in chewing affected […]