Europe’s Stone Age has taken an edgy turn. A new analysis finds that human ancestors living in what is now Spain fashioned double-edged stone cutting tools as early as 900,000 years ago, almost twice ...

Hitting on a corner of the blade will cause unpredictable breaks and can damage the hammer. The blade of the hammer should make full contact with the stone, as in the photo on the far right. [3, ...

A team of archaeologists recently applied high-tech engineering tests to stone tools, and the results suggest that even very early members of our genus, like Homo habilis, knew how to select rocks ...

This release is available in German. An international team of researchers, including Dr. Zeresenay Alemseged of the California Academy of Sciences in San Francisco (USA) and Dr. Shannon McPherron of ...