LifeStone tools hint that our first human ancestors lived all over Africa We thought the first Homo species evolved in East Africa 2.8 million years ago, but stone tools from Algeria suggest our origins may have spanned the continent 51¶¯Âþ
VideoDavid Reich: The truth about us, and where we come from Harvard geneticist David Reich and his team are DNA testing the bones of ancient humans. Their explosive results are still coming in, but one thing is already certain: much of what we thought we knew about human history is simply wrong Video