The course of World War II, the development of successful cancer treatment, and just being able to go outside without fear all come down to one thing: the humble Penicillium fungus. Maren tells Greg a tale of accidental discoveries, fungal espionage, and the daunting potential future of medicine without this life-saving substance.  Show notes, sources, and transcript can be found at https://linktr.ee/surprisinglybrilliant  Learn more about your ad choices. Visit megaphone.fm/adchoices