SANTIAGO, Chile (Reuters) - Chilean scientists said on Friday their study of a huge blob of flesh found on a Pacific beach about three weeks ago concluded it was the carcass of a sperm whale, ending speculation of a giant octopus. Scientists have been baffled by the 40-foot-long mass of gelatinous tissue found on a remote beach in southern Chile, with initial hunches ranging from whale blubber to a disputed species of giant octopus. Researchers at the Museum of Natural History in Santiago were the first to reach a conclusion after analyzing samples of the decaying specimen and finding glands...