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3-D printing can be used to make food, guns and maybe human ears. Researchers say that using collagen to print out ear cartilage solves a lot of the problems in making new ears for people with birth defects or injuries.

The spots can lead to eruptions of radiation on the sun called solar flares. This huge spot formed over the course of 48 hours.

Officials predict that cutbacks at the FAA could lead to takeoff delays and fewer flights. Unless Congress acts, across-the-board spending cuts are scheduled to take effect March 1.

More than 60,000 people have died in Mexico's war on drugs over the past six years. But that statistic tells only part of the story. Human-rights groups say thousands more, as many as 25,000 people, have vanished — many at the hands of Mexico's security forces.

Between 2002 and 2009, homegrown Indonesian militants staged deadly attacks almost yearly. The story of one former terrorist-turned-chef — and his unrealized dreams of global jihad — help illustrate why terrorism hasn't flourished in the Muslim-majority country.

You can learn a lot about a culture by listening to its music. NPR producer Jasmine Garsd took a reporting trip to Puerto Rico recently. She found that the island's uncertain economic future not only affects day-to-day life, but also its music. Garsd shares some songs with host Michel Martin.

About half want a new pope to drive the church in a new direction; the other half want a traditionalist. Most American Catholics, however, would approve of a pope who wants to allow priests to marry.

Corporate tax credits improved its profits, but those were tempered by the payroll tax increase on its customers.

Dr. Sam Parnia researches the experiences of cardiac arrest patients in the time between when their hearts stop and when they are brought back to life. Parnia thinks of these experiences as actual-death experiences as opposed to near-death experiences.

The head of the Senate Education Committee says 100,000 Texas families are on waiting lists for charter schools, and it's time to expand the number of…