Origin of skillful stone-tool-sharpening method pushed back more than 50,000 years
Thursday, October 28, 2010 - 14:30
in Paleontology & Archaeology
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 previously thought, according to a new study.