In the city of Qom, ayatollahs and hardliners fret that their government relinquished too much in its nuclear deal with the U.S. and other world powers. "God knows what we gave up," says an ayatollah.
National security hawks want a bill that would order tech companies to open phones for law enforcement; other legislators think a panel should dig into the subject and make recommendations first.
California regulators say autonomous cars should have a licensed driver, but a top Google engineer says that makes as much sense as putting a steering wheel or brake pedal in the back of a cab.
Mobile phones that double as stun guns. Smart bikes connected to an app that can deter thieves and track your workout. We got an eyeful of futuristic gadgets at a mobile tech conference in Barcelona.
Researchers say Colombia offers a chance to learn more about Zika's possible link to microcephaly. If the country sees a sudden rise in cases as Brazil did, that's stronger evidence of a connection.
Andrea Towson, who has used heroin off and on for 30 years, is eager to get treatment. "I just want to wake up and eat breakfast and be normal, no matter what that might be," she says.
Bernie Sanders says he wants to break up too-big-to-fail banks. But Hillary Clinton says the real risks to the financial system lie in lightly regulated corners of the economy known as shadow banks.
Counselors in the field of substance abuse rehabilitation earn roughly $40,000 a year, surveys show, and the work can be emotionally draining. Employee turnover is high, and likely to get worse.
CIA Director John Brennan sits down with NPR's Mary Louise Kelly for a wide-ranging interview at the agency's headquarters in Langley, Va.
New York City plans to add streetcars to connect its isolated areas, but critics are wary. Streetcars in other cities have few riders, and Washington, D.C.'s streetcar opening was delayed for years.