A sweet rainbow: Americans like their sweet potatoes orange and packed with sugar. But in Africa, yellow and white varieties are also popular. They tend to be less sweet. Image courtesy of the International Potato Center (CIP) hide caption

itoggle caption Image courtesy of the International Potato Center (CIP)

Goats and Soda

Natural GMO? Sweet Potato Genetically Modified 8,000 Years Ago

People have been farming — and eating — a GMO for thousands of years without knowing it. Scientists have found genes from bacteria in sweet potatoes around the world. So who made the GMO?

C. difficile bacteria, shown in yellow, are common in hospitals and nursing homes, and very difficult to treat. Paul Gunning/Science Source hide caption

itoggle caption Paul Gunning/Science Source

Shots - Health News

Spore Wars Help Fend Off Life-Threatening Bacterial Infections

Infections with C. difficile are a big problem for people in hospitals and nursing homes. An experimental treatment with spores from a harmless version of the bacterium prevented new infections.

Canadian-born Omar Khadr is seen in a courtroom sketch during a 2010 hearing at the U.S. military prison at Guantanamo Bay, Cuba. He was moved to a Canadian prison in 2012. Janet Hamlin/AP hide caption

itoggle caption Janet Hamlin/AP

The Two-Way - News Blog

Ex-Guantanamo Prisoner In Canada Wants To Be Released On Bail

Omar Khadr was sent to Guantanamo Bay prison when he was 15 years old. Now in a prison in Canada, he is seeking bail while he appeals his war-crimes conviction. Ottawa wants him to stay put.

In his new memoir, It's a Long Story, Willie Nelson writes about his early career as a DJ in Fort Worth. He can still recite what he'd say on the air. David McClister/Courtesy of Little, Brown and Co. hide caption

itoggle caption David McClister/Courtesy of Little, Brown and Co.

Music Interviews

Willie Nelson: 'Ain't Many Of Us Left'

The Red-Headed Stranger has a new memoir out titled It's a Long Story. On a tour bus in Thackerville, Okla., Nelson explains to NPR's David Greene why no one can tell him what to do.

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Author Barry Estabrook says that pigs can be taught to play computer games and recognize themselves in a mirror. W. W. Norton & Company hide caption

itoggle caption W. W. Norton & Company

The Salt

'Tales' Of Pig Intelligence, Factory Farming And Humane Bacon

Journalist Barry Estabrook wanted to know more about the animal and its journey from the farm to his plate. In a new book, he explores the dichotomies of the industry that's raising our pork chops.

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