) How to converse with skeptics about climate change, with ISU climate scientist, Gene Takle;

) Why zoos may be the last line of defense for endangered species, with Jonathan Jennings of Health in Harmony;

) The NFL may soon to be a thing of the past, though Tom Brady will nonetheless remain immortal, with Dr. Stephen Goldman;

) Trump’s EPA wants to undo protections put in place by the Obama administration to protect groundwater from coal ash.