Ancient humans may have risked their lives making stone tools

Fashionable flintknappers who apply making stone instruments harm themselves with shocking frequency. However accidents that at present require stitches or a visit to the emergency room might have been a loss of life sentence for an historical stone employee residing in an period earlier than fashionable medication and antibiotics.

A few of the flintknapper accidents reported in a first-of-its-kind survey can appear virtually comical, with two folks admitted to hitting themselves within the testicles and one individual dropping a …