The excavation of bone tools at Olduvai Gorge in Tanzania expands the range of ancient hominids’ cultural innovations.

The bone from a palaeoloxodon - an extinct animal also known as a straight-tusked elephant which is believed to be the largest ever land mammal – is now on display in Chatteris Museum ...

All but one of the 27 tools were made from elephant or hippo bone. Hippos were common in the area but elephants were not, meaning their bones were probably carried to Olduvai Gorge from elsewhere, ...