Around 180 years ago, a British expedition to the Arctic met a grisly end. Only recently have scientific investigations been able to identify the long-dead seamen. Now, thanks to DNA donations from distant relatives, researchers have identified four more sailors from the failed mission. Researchers have identified four more members of the 1845 expedition, including an enigmatic sailor whose identity confused scientists for more than a century. Three of the sailors served aboard HMS Erebus , one of the expedition’s two ships, while the fourth—Harry Peglar, captain of the foretop—served aboard HMS Terror . The team, including anthropologist Douglas Stenton of the University of Waterloo in Canada, published its results in two papers in the Journal of Archaeological Science: Reports and Polar Record . A failed mission Under the command of Sir John Franklin, 134 officers and crew on two ships—HMS Erebus and HMS Terror —set out for the Arctic on May 19, 1845, according to Parks Canada .…