In 1980, deep in a nuclear missile silo in Arkansas, a simple human error nearly caused the destruction of a giant portion of the Midwest. Joe Richman, founder of Radio Diaries tells the story.  Eric Molinsky helped report this story.

Guest host David Kestenbaum talks to producer Diane Wu about a list she keeps of things she means to know. Sweet potatoes vs. yams.

If there is intelligent life elsewhere in the universe, why haven’t we heard from the extraterrestrials yet? Producer David Kestenbaum explains The Fermi Paradox to host Ira Glass. The possibility that we are alone in the universe makes David sad.