Terry Gross

More than half of the world's Muslims live along the latitude line 700 miles north of the equator — so do most of the world's Christians. It's a place where ideological conflicts often arise. Journalist Eliza Griswold spent seven years examining how the two religions influence clashes over natural resources, tribal issues and faith.

Investigative journalist Jeff Sharlet traveled to Uganda to meet with the man who wrote an anti-homosexuality bill that calls for life imprisonment and the death penalty for gay Ugandans. Sharlet explains how U.S. religious leaders have encouraged the anti-gay sentiment in Uganda.

The constant stream of information we get through mobile and hand-held devices is changing the way we think. Matt Richtel, a technology writer for The New York Times, explains how the use of digital technology is altering our brains -- and how retreating into nature may reverse the effects.