In this photo taken June 21, 2019, Dr. Philippe Amstislavski holds a sample of insulation made from fungi, in his lab at the University of Alaska Anchorage in Anchorage, Alaska. Researchers at the University of Alaska Anchorage have been growing lightweight panels from mushroom tissue that they say could be used as insulation for shipping frozen fish. (Loren Holmes/Anchorage Daily News via AP)
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