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, ...

Archaeologists have discovered a giant hand ax that is thought to be more than 200,000 years old. An international team of research researchers uncovered the prehistoric stone artifact during an ...

Researchers have uncovered the skulls of two individuals belonging to the species Homo erectus—one of our ancient ancestors—alongside various types of stone tool of differing complexity at a site in ...

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Hand axes from the site of Saffaqah, Saudi Arabia. Palaeodeserts/Ian R. Cartwright Nearly 200,000 years ago, at the confluence of two long-vanished river systems in the heart of Arabia, people climbed ...