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Converting the shells into biogas could provide most of the heat for a planned city of 200,000, engineers say. There's precedent in Australia, where macadamia nut shells are generating power.

During sleep, the brain locks in existing memories and can even form new ones. Scientists say they are starting to understand how that happens. A midnight snack may interfere.

In a ceremony that saw both icons and newcomers honored, it was a fiery speech by the science fiction legend that had attendees talking. Also: A Jonathan Safran Foer book gets adapted to ballet.

Nearly three-quarters of Americans say their doctors use electronic records. The overwhelming majority of people aren't particularly concerned about the privacy of the information, an NPR poll finds.

Maria del Rosario Cayetana Fitz-James Stuart had more titles than any other aristocrat in the world. She died today in Seville.

Hiroshi Shimizu's remarks came in testimony to a Senate panel. U.S. regulators want the company to issue a nationwide vehicle recall. So far, the recall has been restricted to high-humidity areas.

The website PrivacyGrade rates Android apps based on the personal information they collect from you. It's another reminder that your data are constantly on the move, whether you know it or not.

We consider the work of writer-director-performer Mike Nichols, who died Wednesday.

When journalist Alec MacGillis started looking into McConnell's early politics, he says he was "startled" by how moderate the Republican used to be. The book traces McConnell's shift to the right.

In his short story collection, former Marine Phil Klay takes his experience in Iraq and clarifies it. On Wednesday, he won the National Book Award for fiction.