This article is republished from The Conversation under a Creative Commons license. Due to Antarctica’s extreme winter, which includes four months of total darkness, polar explorers endured intense confinement in close quarters for long periods of time. American pioneer Richard Byrd explained, “little things … have the power to drive even the most disciplined … to the edge of insanity. The ones who survive with a measure of happiness are those who can live profoundly off their intellectual resources, as hibernating animals live off their fat.” How did the Antarctic…