Even the smartest robot does a miserable job picking up objects it hasn't been programmed to recognize. One way robots may get better at it is to learn by experience, a researcher says.
Disagreement over terms like "all natural" or "100 percent natural" has spawned dozens of lawsuits. The Food and Drug Administration is requesting comments from the public on what "natural" means.
Outlawing more than a dozen cannabinoids — chemicals concocted in labs and sprayed on leaves to create this risky street drug — hasn't stopped the problem. Chemists just make new versions.
The resignation of the head of the University of Missouri system raises an important question: How should he have responded?
A shortage of line workers raises the question: How do you entice millennials into tough electric utility work, when "you can't get a kid to lick a stamp, much less climb a pole" these days?
Last night's presidential debate focused on economic issues. Our reporters look at candidate claims about business creation, the minimum wage, trade and the length of the tax code.
Russia is facing a demographic crisis. Some women are having more babies, but there are fewer mothers overall. The country may face worse economic problems and challenges staffing its armed forces.
Sila Luis could not hire a lawyer to defend her in court because her adversaries had succeeded in having her financial assets frozen.
Reliable data has been missing from the national debate. That's changing. An analysis by NPR member station KPCC found that from 2010 to 2014, 375 people were shot — and no officers were prosecuted.
When African-American players on the University of Missouri's football team called for a boycott of games, it was the latest moment in a long history of players taking a stand for civil rights.