Producer Alex Blumberg with people who listen in on the invisible world on the nether reaches of the radio spectrum, mostly illegally...and what they find there. (14 minutes)
Alex Blumberg talks to Shane Dubow about a time decades ago, when Shane went sea kayaking and camping with his friends on the beach in Baja California, Mexico.
Alex Blumberg investigates a little-studied phenomenon: Children who get a mistaken idea in their heads about how something works or what something means, and then don't figure out until well into adulthood that they were wrong.