Hand axe made from a hippopotamus femur was used by early ancestors 1.4 MILLION years ago 

Hand axe made from a hippopotamus femur discovered in Ethiopia was used by early ancestors 1.4 MILLION years ago Archaeologists unearthed an ancient hand axe used by Homo erectus  The tool dates back 1.4 million years and was found in Ethiopia in Africa This hand axe is unique, as it was constructed from a  hippopotamus femur … Read more