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, ...

For thousands of years before European contact, Native Americans used stone to create many of the tools that were used in their everyday lives. Not all types of stone are suitable for making tools, ...

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 ...

Archaeologists have uncovered primitive sharp-edged stone tools on the Indonesian island of Sulawesi, adding another piece to an evolutionary puzzle involving mysterious ancient humans who lived in a ...