Trepanation is an ancient surgical procedure and we've found the millennia-aged skulls to prove it - each punctured and gouged to relieve inner-pressure and inner-madness. But is such cranial perforation truly a relic of a primitive age or do modern trepanation advocates have a point in their quest to free the brain's heartbeat from its prison of bone? Tune in to this episode of Stuff to Blow Your Mind to find out.