Hard grains presumably are protected against bugs and so could be grown/stored w...

		pbhjpbhj on July 17, 2018 \| parent \| context \| favorite \| on: 14,400-year-old flatbread remains that predate kno... Hard grains presumably are protected against bugs and so could be grown/stored without being eaten (as much) by other creatures - giving the advantage to tool users who can smash them open.