ahlam1399
03-09-2016, 10:48 PM
Long before cooking was common, early humans needed extra energy to fuel bigger bodies and brains. Scientists say simple stone cutting tools likely allowed small-toothed meat eaters to thrive.
أكثر... (http://www.npr.org/sections/thesalt/2016/03/09/469676852/chew-on-this-slicing-meat-helped-shape-modern-humans?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thesalt/2016/03/09/469676852/chew-on-this-slicing-meat-helped-shape-modern-humans?utm_medium=RSS&utm_campaign=news)