It doesn't matter where Bo Earls is. He could be on his honeymoon, at the park with his two children or sitting in his man cave of a garage. He finds his therapy in the intricate process of flint ...

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 ...

A long-time arrowhead collector, Kila's Tom Blais has been learning how to make the stone tools himself for nearly 30 years. (Jeremy Weber/Daily Inter Lake) Kila's Tom Blais uses traditional stone and ...

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 ...

The Palaeolithic archaeological record in Britain captures a rather sudden increase in stone knapping skills around half a million years ago, indicating that a major milestone in human evolution may ...

On the morning of July 9, 2011, we were climbing a remote hill near the western shore of Lake Turkana in northern Kenya. Since then, conventional wisdom in human evolutionary studies has supposed that ...

Christian Swartwood gets assistance from Zach McCloskey, an environmental education specialist at Bald Eagle State Park, while throwing a spear using an atlatl during a Knap-In at the park on Friday.