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Usda: Virtual Labs: Controlling Water Activity in Food
In this science simulation, students investigate water activity in corn that has been dried using traditional Native American methods in order to learn about the best way to ensure food safety.
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Still Tasty: Keep It or Toss It
A visually rich database of common food items that can be searched by name or by category, with information about how long each item will last and under what storage conditions. Tips on the best methods of storage are also provided.