On March 5, 2022, the wreck of the sailing ship Endurance was found in the depths of the Weddell Sea off the coast of Antarctica. This, of course, was the vessel lost in Ernest Shackelton’s third expedition to Antarctica, which became trapped in the ice and sank in 1915. The story of that expedition is an extraordinary tale of human fortitude - with the Endurance lost to the ice, Shackleton’s crew evacuated to a loose ice flow where they camped for nearly 500 days, drifting about the Antarctic seas, before making a desperate dash across the open ocean in an...