Early humans began crafting stone tools more than 3 million years ago by chipping off flakes to form shapes and sharp edges in a process known as knapping. There was previously no evidence that our ...

Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and sharpened bones from elephants and hippos found in Tanzania's ...

Early humans used animal bones to craft tools — more than a million years ... Ignacio de la Torre, co-director of the excavation and a CSIC researcher, says the bone tools are from the Acheulean ...

Early humans used animal bones to craft tools — more than ... co-director of the excavation and a CSIC researcher, says the bone tools are from the Acheulean period, which is known as the ...