Stone toolmakers living in southern Africa 75,000 years ago pushed the cutting edge in more ways than one. These intrepid folk sharpened the thin tips of heated stone spearheads using a forceful ...

A delicate, sophisticated way to craft sharp weapons from stone apparently was developed by humans more than 50,000 years sooner than had been thought. The finding could shed light on what knowledge ...

Pressure flaking is a retouching technique that was used by prehistoric toolmakers to shape stone tips. They pressed the narrow end of a tool close to the edge of a piece they were working on to ...

A highly skillful and delicate method of sharpening and retouching stone artifacts by prehistoric people appears to have been developed at least 75,000 years ago, more than 50,000 years earlier than ...

Stone-tool makers living in southern Africa 75,000 years ago pushed the cutting edge in more ways than one. These intrepid folk sharpened the thin tips of heated stone spearheads using a forceful ...

Sophisticated methods of making sharp stone tools have been around a lot longer than archaeologists thought. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive ...

Pictured is a Still Bay bifacial point from Blombos Cave in South Africa made of silcrete and finished by pressure flaking, primarily at the tip. Image courtesy Science/AAAS A highly skillful and ...

Prehistoric people in southern Africa developed a highly skilled way of shaping stones into sharp-edged tools long before Europeans did, suggested a study released Thursday. Subscribe to read this ...

If you want to make really sharp stone spearheads, do like Stone Age cave dwellers did and cook them first. Palaeoanthropologists have discovered that this two-step trick was invented 50,000 years ...

Innovations in stone knapping technology during the South African Middle Stone Age enabled the creation of early projectile weapons, according to a study. Innovations in stone knapping technology ...

A highly skillful and delicate method of sharpening and retouching stone artifacts by prehistoric people appears to have been developed at least 75,000 years ago, more than 50,000 years earlier than ...