Plugging in an electric car — or parking it on a charging mat — may soon be a thing of the past. Robert Siegel talks to Rachel Kaufman of Scientific American about the new developments to boost car batteries on the go.

A new program is teaching university researchers how to make their promising new technologies a reality. They're mentored by entrepreneurs who help them rethink their strategy, and are told to treat everything they think they know about business as nothing more than a hypothesis.

A 14-year-old girl in Baltimore was recently videotaped performing a sexual act on a teen boy. The tape sparked heated debates about explicit online content, teen sexuality and social media. Host Michel Martin discusses the story with Laura Sessions Stepp, author of Unhooked; Malika Saada Saar, head of the Rebecca Project for Human Rights; and Brenda Joy Bernstein, a criminal attorney in private practice. ADVISORY: This conversation may not be comfortable for some listeners.

Phil Pressel designed film cameras for a U.S. spy satellite program that was declassified last month after 46 years. His cameras captured Soviet missile sites and enabled President Nixon to sign an arms reduction treaty with the Soviet Union.

John McCarthy, the computer scientist who coined the term "artificial intelligence" in 1955, died Monday at age 84. Weekend Edition's math guy Keith Devlin has this remembrance.