A Moment of Science
Everyone knows you should put spinach and berries in the refrigerator, but how do cooler temperatures keep most fruits and vegetables from spoiling rapidly?
Some methods of preserving food are easy to understand, but did you know that sugar helps to preserve food by causing microbes to literally die of thirst?
If you’ve ever been to the Air and Space Museum in Washington DC, perhaps you’ve sampled the kind of freeze-dried ice cream astronauts eat during space missions. A stiff, dry square, the freeze-dried version tastes just like ice cream, except that it isn’t cold, and has no moisture.
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