OH THE BRAIN, the thing piloting your swiping fingers and fidgeting thumbs right now.\nHE'S a pretty complex boy,\nBUT would you believe that all the way back in the 7th century a monk by the name of Bricin was poking holes in injured warrior's skulls AND doing a damn good job on it too?\nLEARN about the:\nTHOUSAND-year-old medical art of trepanation.\nGOD of medicine in Ireland and the surprisingly terrifying origin of the River Barrow.\nBRAIN BALLS and the man whose head exploded when he heard of a certain someone's crucificion.