Bone can heal itself, but not always in the ways we expect. Some animals regrow entire limbs. Others, like humans, can only ...

the name referring to the bipedal species in the human evolutionary lineage. The hominins who made the Olduvai Gorge bone tools used a technique similar to how stone tools are made - chipping away ...

An assemblage of tools found in Tanzania that was fashioned about 1.5 million years ago from the limb bones of elephants and hippos reveals what scientists are calling a technological breakthrough for ...