Secret Soup Can hips the guys to the newest 'Big If True' -- aka alleged -- breakthrough in alternative propulsion. Matt the Firefighter shares a widely-unacknowledged danger of fighting fires. GP Scootch prompts a conversation about Superfund sites. Rob provides a mission-critical update on the continuing adventures of a certain humble farmer. All this and more in this week's listener mail segment.They don't want you to read our book.: https://static.macmillan.com/static/fib/stuff-you-should-read/See omnystudio.com/listener for privacy information.