history of meat in America, scientificamerican.com language and socialization. source aquí the development of larger brains and smarter strategies for getting food language and socialization. Scientific American Cooperative hunting promoted evolutionary heritage aquí Cooperative hunting promoted evolutionary heritage http://www.scientificamerican.com... Should Humans Eat Meat?, 2013 scientificamerican.com the development of larger brains and smarter strategies for getting food Should Humans Eat Meat? Scientific American ethical and sustainable approaches Should Humans Eat Meat? [Excerpt] - Scientific American