Terry Gross

Jamie Bartlett exposes an encrypted underworld to the Internet in his book The Dark Net: "Anybody with something to hide, whether it's for good reasons or for ill, finds a very natural home there."

The English actress has been nominated for a Tony Award for her role in the Broadway revival of Skylight. She also stars in the film adaptation of the Thomas Hardy novel Far From the Madding Crowd.

In her new book, Michelle Goldberg traces the Western practice of yoga to a Russian woman named Indra Devi. Goldberg says that many of the poses in modern yoga can't be traced beyond 150 years ago.