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The experimental treatment, which hasn't been tried in humans, encapsulates pure oxygen in microbubbles made of fat molecules. The bubbles look quite a bit like shaving cream, one of the researchers says.

This summer, a businessman in an Oregon college town commissioned a huge mural depicting a Tibetan monk setting himself on fire. Soon after the mural went up, the Chinese consulate in San Francisco sent a letter to the city's mayor insisting it be removed before it "tainted" U.S.-China relations.

The leaked photos came just before a visit by U.S. Defense Secretary Leon Panetta. Last year, the Chinese tested a stealth plane while the previous defense secretary, Robert Gates, was visiting. The moves are seen as an attempt by the Chinese to show off their rapidly expanding military technology.

Forests on the island of Guam are experiencing a spider epidemic, and invasive brown tree snakes are to blame. The snakes have nearly obliterated the island's native forest birds — which used to keep spider numbers in check.

The British producer, who has been obsessed with Jamaican dub music since he was a teenager in the '70s, has forged a career of working with his idols and extending their influence to other genres.

The seven-inch rod is used to find the right place to "frack."

The plan was for Hinckley to leave a mental institution for his mother's home. But a key part of his treatment plan is up in the air.

Protesters in the Middle East and North Africa have demanded an apology from the U.S. government over a video that denigrates the Prophet Muhammad. While even highly offensive speech is protected by U.S. law, that level of protection is quite unique, even among many Western countries.

Republican presidential hopeful Mitt Romney took part in a forum on the Spanish-language television network Thursday night in Miami. He's also hosting a rally for Latino supporters in Miami. NPR's Scott Horsley tells Audie Cornish about the night.

Some dilemmas produce vivid images in our head — and we're wired to respond emotionally to pictures. That can trigger unconscious biases that influence our judgment of right and wrong.