This week we're taking on maggots, wounds, and diarrhea in an episode about medical problems that plague the military, so make sure your last meal is a few hours behind you before you tuck in your ear buds. We speak with Captain Mark Riddle, the director of the United States Military Diarrheal Disease Vaccine Research Program at the US Army Medical Research and Material Command, about new ways to prevent and treat travelers' diarrhea. And we talk with George Peck, a medical entomologist, about using maggots to help wounds heal. This episode is hosted by Bethany Brookshire, science writer from...