Dr. Lynn Rothschild is an astrobiologist who specializes in extremophiles—organisms thriving in extreme environments. She shares fascinating insights into how these resilient life forms can inform our search for extraterrestrial life. The discussion also includes the FDA's recent ban on Red Dye 3 due to cancer risks and the contrasting regulatory standards in the U.S. and Canada. Additionally, the episode explores the science behind feeling 'butterflies in your stomach' during moments of infatuation, connecting it to our body's stress response.