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Previous research found that going on Medicaid increased a poor person's use of costly emergency room visits. Now an analysis suggests that initial spike in ER visits quickly tapers off.

One of the city's newest restaurants aims to elevate canned fish to an object of desire. There's no kitchen and no chef. The owners argue that tinned goods can be a greener gourmet choice.

The federal government will suspend funding while it reviews the potential risks and benefits of certain experiments with three viruses: SARS, MERS and influenza.

Now that unemployment has slipped below 6 percent, there's renewed interest in what the Federal Reserve's target for joblessness should be. Some economists worry that inflation will resurface.

Audie Cornish speaks with Obiageli Ezekwesili, a former member of the Nigerian government and one of the leaders of the Bring Back Our Girls effort.

While the NBA is experimenting with shorter games, some players — including Lebron James — would like to see shorter seasons. Audie Cornish talks to sportswriter Stefan Fatsis.

Since Kenneth Thompson became district attorney, he's been investigating a number of old cases. As he tells NPR's Scott Simon, he recently asked a judge to throw out a 30-year-old murder conviction.

A memorial for journalist James Foley will be held Saturday, on what would have been his 41st birthday. NPR's Scott Simon talks with Rev. Marc Montminy, who is presiding over the service.

Robert Wood, an electrical engineer at Harvard's Microrobotics Lab, is engineering colonies of RoboBees. They don't sting, and they can be used for surveillance or crop pollination.

A "mountain-sized" comet known as Siding Spring will pass very close to the red planet, where orbiters from the U.S., Europe and India, hope to get close — but not too close — to the action.