Iowa learns a harsh truth about the chain to Haven, and must risk her life to save Doggo. Listen afterward for a discussion about waterfalls with Dr. Joel Scheingross, Assistant Professor at the University of Nevada Reno.Suggested links:https://www.world-of-waterfalls.com/how-are-waterfalls-formed/https://www.unr.edu/nevada-today/news/2019/waterfall-formationFor more great shows, visit https://gzmshows.com. Learn more about your ad choices. Visit megaphone.fm/adchoices