亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Processing food likely helped human evolution
date:Mar 11, 2016
Breaking food into smaller, more easily digested pieces may have helped allow early human ancestors to evolve into humans, according to a paper out of Harvard University that appeared in Nature.

Researchers have long wondered how human ancestors were able to develop smaller teeth, faces, and guts while also receiving enough energy from their food for their bigger brains and bodies before cooking was invented. According to the paper, around 2 to 3 million years ago, human ancestors began using s

12/20 14:43