"A good salesman, as the old (and politically incorrect) saying goes, can sell a refrigerator to an Eskimo. It's a cliché, but there's some truth to it: Inuit who live above the Arctic Circle use insulated refrigerators to keep their food from freezing in subzero temperatures"

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For instance, the blood of hibernating arctic squirrels may supercool to minus 3 degrees, when it would normally congeal. The supercooled blood still flows, since it remains a liquid, but the slightest disturbance will cause it to freeze, killing the squirrel; therefore, you should not disturb hibernating arctic squirrels.

— Joao Magueijo