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 flintknapping, and for most, it is a skilled hobby or art form that was thought to occasionally require bandages or stitches.However, new research suggests flintknapping is far more dangerous than previously understood. And for early humans who were without the modern conveniences of hospitals, antibiotics, treated water and band-aids, a more severe cut could get infected and be life-threatening...They found Nicholas Gala, at the time a Kent...