But rare, ancient grappling hook will remain with the wreckage of the Swedish ship Mars
(Newser) -
Seven years after it was found, a 454-year-old shipwreck in the Baltic Sea is still revealing its treasures. Cannons, a hand grenade, possible remains of helmets and swords, and a large grappling hook used to rein in enemy ships are among recent discoveries aboard Mars, a Swedish warship that sank...