Jun 18, 2013 — Revelations about U.S. surveillance programs have not only touched off a debate in America; they've also raised privacy questions in Europe, since big Internet companies operate in both places.

Jun 18, 2013 — Brazil has no real history of mass protests. But disgruntled youths appeared to be learning quickly, citing demonstrators in other parts of the world.

Jun 18, 2013 — Fecal transplants are being used more often to treat life-threatening bacterial infections. But the Food and Drug Administration worried that the still-experimental procedure put patients at risk. Now it is dropping plans to restrict transplants after doctors and patients complained.

Jun 18, 2013 — Big names in business, entertainment and philanthropy pitched in to help buy a Utah ski mountain for a reported $40 million. They want to turn it into the next cool hub for culture and new ideas. "We look to build the coolest little mountain town in the world," says one of the buyers.

Jun 18, 2013 — Conventional wisdom holds that men prefer younger women as mates because they're more fertile than older women. But a mathematical analysis suggests that this preference may be the cause of menopause rather than a consequence of it.