The ancestors of humans started making tools about 3.3 million years ago. First they made them out of stone, then they switched to bone as a raw material. Until recently, the earliest clear evidence ...

But archaeologists have now found and dated bone tools in Tanzania that are a million years ... This leap in human history was a game-changer because it allowed early hominins to overcome survival ...

This leap in human history was a game-changer because it allowed ... AllAfrica is a voice of, by and about Africa - aggregating, producing and distributing 500 news and information items daily ...