about freezing

Freezing to death is probably not something on anyone's mind this sweltering July day in New York. However, I was thinking about it because recently I went to an exhibit on polar exploration at the American Museum of Natural History.

You may be familiar with the story of Roald Amundsen and Robert Falcon Scott. Amundsen was a Norwegian explorer so determined to conquer the South Pole that, growing up, he slept with his windows open to train his body to deal with the cold. Scott was both less...