A street medic patch marks a first aid kit at a UMedics workshop in Chicago's Bronzeville neighborhood. The group trains everyday people to care for shooting victims, control a chaotic scene and talk to cops and paramedics.
President Trump's war against Iran carries echoes of the 2003 war in Iraq. NPR's Leila Fadel explores the lessons learned to understand whether regime change stands a chance in neighboring Iran.
For decades, parents were told to help children build willpower like a muscle, to resist things like junk food and too much time on their screens. But new research suggests a better strategy.