Stone arrowheads, produced through a process known as knapping, are a major focus of events like the Bald Eagle Knap-In Primitive Arts Festival held annually by the Susquehanna Valley Flint Knappers ...

Every day, hundreds of stone artifact enthusiasts around the world sit down and begin striking a stone with special tools attempting to craft the perfect arrowhead or knife. This craft is known as ...

Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources. But how did the production of stone tools -- called 'knapping' -- start?

Rex Watson displays two bi-face knives that he made from Oregon and California obsidian. The handles are from mule deer and elk antlers. (The Observer/PHIL BULLOCK). STORY BY DICK MASON OF THE ...

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Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources, which in turn played a large role in increasing human brain size and ...