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The Nobel Prize in Physiology or Medicine 2013 goes to three scientists for discovering how cells secrete hormones and neurotransmitters. The research provided sweeping insights into how the brain transmits signals, the immune system attacks pathogens and insulin gets into the bloodstream.

The majority of the nation's pears grow in the Pacific Northwest, and this year's harvest is predicted to be one of the largest in history. But farmers are facing a shortfall that's been plaguing many agricultural industries: not enough workers to pick the fruit.

The Houston Grand Prix was the scene of a scary crash Sunday, as driver Dario Franchitti's race car went airborne into a catch fence on the last lap of the day's second race. Several spectators were also reportedly injured after debris flew into the stands.

The New York City Opera will close its doors this month after 70 years of production. Guest host Celeste Headlee talks to composer Anthony Davis whose work X, The Life and Times of Malcolm X premiered at the opera almost 30 years ago.

China said safeguarding the U.S. debt is of "vital importance to the economy of the U.S. and the world."

President Obama doesn't want to send suspects to Guatanamo Bay for military trials. But U.S. intelligence agencies do want to interrogate Abu Anas al-Libi before he's handed over to a civilian court in the U.S.

The film tells the true story of Richard Phillips, whose container ship was hijacked by Somali pirates in 2009. Navy SEAL sharpshooters eventually freed the captain from the small lifeboat where he was held hostage for five days. Tom Hanks stars in the film, which is directed by Paul Greengrass.

Days after doctors said Argentina's President Cristina Fernandez de Kirchner must take a month off from work to recover from a brain hematoma, reports now indicate that she'll undergo surgery to relieve the condition Tuesday.

Legendary Los Angeles Dodgers announcer Vin Scully is widely considered the greatest sportscaster of all time. He's certainly the longest-tenured — he turns 86 in November — and yet, by all accounts he still has his fastball. He recently announced that he would return for a 65th season next year, in part because he's energized by the success of the team. With the Dodgers in the playoffs for the first time in four years, many fans will be muting the TV so they can hear Scully, who will only be calling games in his one-man booth on the radio.

Polling shows that many Americans aren't quite sure how the Affordable Care Act will affect them, and it may be even more confusing for immigrants and people who don't speak English as their first language. Illinois has a large immigrant population, and the state has been working to resolve language barriers as it gets ready to launch its insurance marketplace.