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From: Sam Wormley on 24 Mar 2010 00:58 You really can freeze hot water faster than cold* Experiments suggest that impurities in the warmer water may explain the �Mpemba effect� in which warm water freezes faster than cold water. http://www.sciencenews.org/view/generic/id/57551/title/You_really_can_freeze_hot_water_faster_than_cold%2A |