Like chimpanzees, dolphins are large-brained and highly social animals, but can they recognize themselves in a mirror? Psychologist and dolphin researcher Diana Reiss discusses her work with dolphin communication and cognition.
FBI agents believe they have a credible lead on the whereabouts of Jimmy Hoffa's body. If they're right, it will solve a longstanding mystery, which will also deflate Hoffa's resonance in popular culture.
Did a 10-pound bag of potatoes really cost $15 back in 2008? We get to the bottom of some puzzling numbers in the lawsuit alleging America's potato growers have become a spud cartel.
There was a time — a time long, long ago — when MySpace dominated the teen social-media world. Not anymore. NPR's Sami Yenigun looks at how teenagers use various social platforms in today's increasingly segmented online universe.