Feb 14th 2014, 16:18, by Adi Robertson
Military researchers believe they're close to reaching one of the most sought-after rations ever: a pizza that can be left out for years without spoiling. The AP reports that food scientists at the US Army Natick Soldier Research, Development and Engineering Center in Massachusetts are testing a prototype pizza to include in military meals ready to eat, or MREs. Pizza is frequently requested by soldiers, but the combination of sauce, cheese, and dough quickly becomes a breeding ground for bacteria as moisture from other ingredients turns the crust soggy. The solution was twofold: keep the water in place, and make the whole pie hostile to bacteria.
To stop the dough from going soft, scientists used a type of preservative known as...
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