A federal appeals court ruled Tuesday in favor of the government's decision to keep photos and video of the May 2011 raid that killed Osama bin Laden a secret, rebuffing a conservative watchdog group that had sought their release.

A three-judge panel of the U.S. Court of Appeals in Washington accepted a White House assertion that releasing the images, including death photos of bin Laden, could spark violence and risk the lives of Americans abroad.

A rare piece of America's military history was located this spring, when dolphins from the Navy's Marine Mammal Program located an unusual artifact: a torpedo from the 19th century. Discovered during a training exercise in the ocean near San Diego, the torpedo will eventually make its way to a museum.

The bottlenose dolphins were honing their ability to find underwater mines when the discovery was made. The torpedo did not have a warhead, Navy officials say.

Monday's tornado tore through parts of Oklahoma City at 200 miles per hour and killed at least 24 people. Many more are missing orinjured. Guest host Jennifer Ludden talks to KOSU reporter Michael Cross and to meteorologist Paul Douglas about why it's so hard to track tornadoes.

Apple CEO Timothy Cook made a rare appearance on Capitol Hill on Tuesday, testifying after congressional investigators revealed that Apple avoided billions in taxes. Reporter Charles Duhigg of The New York Times and guest host Jennifer Ludden talk about how, as Duhigg writes, "technology giants have taken advantage of tax codes written for an industrial age."

Graduation season is upon us and that means a slew of uplifting commencement speeches trying to motivate young adults to greatness. Science and experience tell us that everyone is motivated differently, so how do speakers, coaches and business managers inspire people?

The National Transportation Safety Board has recommended reducing the legal limit for blood alcohol content for drivers from .08 to .05. Critics say it won't significantly help prevent drunken driving. Guest LZ Granderson argues that without more checkpoints, a lower threshold would do nothing.

Hollywood superstar Angelina Jolie has been in the headlines, by her own choice for a change.

Genetic testing showed she was at high risk for breast cancer, so she decided to have a double mastectomy to improve her odds. She revealed her choice, and the thinking behind it, in a recent op-ed in The New York Times.