The idea of vertical farming is all the rage right now. Architects and engineers have come up with spectacular concepts for lofty buildings that could function as urban food centers of the future.

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 federal court in Guatemala has thrown out the genocide conviction of former dictator Efrain Rios Montt, which had been called a breakthrough in the region's human rights.

NPR's Carrie Kahn reports that "all trial evidence and testimony as of April 19th, the date a trial judge was removed from the case, must be re-entered."

Even as President Obama was declaring that tornado-devastated Oklahoma would get "everything it needs right away," the state's most vociferous critic of federal emergency aid vowed that he, too, would push for assistance "without delay."

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.

Shanghai did something last fall that few other cities on the planet could have even considered. It opened two massive art museums right across the river from one another on the same day.

The grand openings put an exclamation point on China's staggering museum building boom. In recent years, about 100 museums have opened annually here, peaking at nearly 400 in 2011, according to the Chinese Society of Museums.

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.

People who use Airbnb, the web company that pairs travelers with residents who rent out their homes on a short-term basis, are breaking New York City's laws, according to an administrative law judge. The vacation rental business was found to run afoul of the city's occupancy code; it also doesn't conform with a state law.

That was fast!

We don't need to say much. Just watch this video from The Oklahoman of Trenda Purcell's reunion Monday with her 8-year-old son Kamden, who she found safe and sound after the tornado that swept through Moore, Okla.