You come home from a long winter day at work or school and visit the coop to collect the day’s eggs They’re cold  Really cold with hairline cracks in some of their shells     That’s not surprising Those eggs have been sitting in the nest for hours on a subzero day

Egg whites and yolks contain plenty of water but are loaded with dissolved solids  These lower the egg freezing point to about 29 degrees Eggs rarely freeze in moderately cold weather but if the temperature drops like a stone eggs freeze and crack in just a couple of hours

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