Eben Bayer says growing up on a farm taught him a whole lot about mechanical engineering, the career he has ultimately grown into. In college, Bayer stumbled upon a kind of glue that comes of mixing mycelium (mushroom roots) and agricultural waste. Bayer's company, Ecovative, hopes to use that mushroom material to replace plastics used for packaging and all sorts of other stuff. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.