Sławomir Brzozowski was weeding his raspberry patch in Potok Górny, Poland when he came across an unusual rock. Smooth and ...

Credit: Australian National University This type of axe is a sophisticated specimen with a high sheen on its edges -- the result of being rubbed against sandstone hundreds of times. "This kind of ...

One type, known as a hand ax ... it was likely that other troves of bone tools await archaeologists at other ancient sites in Africa. “It may be the case that we archaeologists have not looked ...