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 ...

Sophisticated methods of making sharp stone tools have been around a lot longer than archaeologists thought. Researchers have found evidence of a technique called pressure flaking as much as 75,000 ...

CAPE TOWN (Reuters) - A group of prehistoric people mastered a difficult and delicate process to sharpen stones into spears and knives at least 75,000 years ago, more than 50,000 years earlier than ...