Christa is a PhD student at UC Santa Cruz, researching endangered species and the stressors on ecosystems that lead to extinction events. She schools me on everything from evolutionary theory to the fascinating worlds of viruses and bacteria to what it's like to hang from tall trees in Madagascar. My favorite kind of podcast: a chance encounter leads to a surprising conversation with a very smart person. I've got the best job in the world! Find me on Instagram or Twitter. Please consider supporting this podcast. This Amazon affiliate link kicks a few bucks back my way. Music: “Brightside of the Sun,” by Basin and Range; "Nganga Kisi" by Ricardo Lemvo and Makina Loca; "Smoke Alarm," by Carsie Blanton.