A simple chipped stone from the Rift Valley in Tanzania marks the emergence of modern humans. Faced with the needs to cut meat from carcasses, early humans in Africa discovered how to shape stones into cutting tools. From that one...

As early humans slowly began to move beyond their African homeland, they took with them one essential item - a handaxe. It is the most widely-used tool humans have created. Neil MacGregor, Director of the British Museum, sees just how...