Wreck of the RMS Titanic the debris field was surveyed in Robert Ballard's 1986 expedition, pairs of shoes were observed lying next to each other on the sea bed. The flesh, bones, and clothes had long since been consumed but the tannin in the shoes' leather had apparently resisted the bacteria, leaving the shoes as the only markers of where a body had once lain. Ballard has suggested that skeletons may remain deep within "Titanic"s hull, such as in the engine rooms or third-class cabins. This has been disputed by scientists, who have estimated that the bodies would have completely disappeared by the early 1940s
Frozen in Time: The Fate of the Franklin Expedition in search of the Northwest Passage. The Northwest Passage is a shipping route through the Arctic archipelago to the Pacific Ocean and was very sought after by the Admiralty and many sailors, due to its economic value as it was a short route connecting the Atlantic ocean and the Pacific ocean. In an effort to traverse the passage, the two ships became icebound on the coast of King William Island in the Canadian Arctic and the entire expedition was lost with only fragmentary evidence that gave clues to the fate of Franklin and his men. In 1981, Owen Beattie, an