Could mushrooms keep your house warm?

Philippe Amstislavski in the lab. (Photo by Philip Hall, Green & Gold News, used with permission)One Alaska scientist thinks so.
Philippe Amstislavski has been working in the lab for several years to test how mycilium—the nutrient-gathering underground network that produces mushrooms, the above-ground “fruit” we see—can become an insulating material for buildings, pipes and roads.
Under magnification, these organic root-like networks reveal a porous structure that is