"Polar exploration is at once the cleanest and most isolated way of having a bad time which has been devised," wrote Apsley Cherry-Garrard of his time with the 1910 Scott expedition to the South Pole. And that's how most of us still imagine polar expeditions: stolid men with ice riming their beards drawing sledges and risking death for scientific knowledge. But polar science has changed drastically over the past century--as Chris Linder shows us,...