A braided head of hair found buried beneath a medieval abbey in England has given up some of its secrets, thanks to a scientist's curiosity about the relic, which he first saw when he was a schoolboy. Jamie Cameron, an archaeological research assistant at the University of Oxford in the United Kingdom, first visited Romsey Abbey, near the city of Southampton, on a school field trip when he was 7 years old. Cameron said he became curious about the abbey's display of a brightly colored and braided head of hair, which had been found in a lead casket buried beneath...