Archaeologists excavating the famous 2,050-year-old Roman shipwreck off the remote island of Antikythera, Greece, have uncovered more than fifty new artifacts including a bronze armrest (possibly part of a throne), remains of a bone flute, pawn from an ancient board game, luxury ceramics and glassware. The 2015 expedition marked the first time archaeologists were able to join specialist divers in descending to the 180 feet (55 m) deep site. The ten-man...