A study argues that the density of restaurants and large-scale food retailers in parts of the U.S. has been a major factor in the rise of obesity. But some see it as a "chicken and egg" problem.
Selling unpasteurized milk across state lines is illegal because it poses a threat to public health. But raw milk sales are growing nonetheless. Legalization would let states regulate a risky market.
Our sense of smell isn't simply a powerful trigger. It's a draw to scientists — and to a flourishing subculture in Los Angeles, where amateur perfumers collect fragrances like others collect stamps.
The nation's immigration courts are jammed with the asylum cases of some 60,000 unaccompanied minors who crossed the southern border last summer. There are 429,000 cases pending and only 223 judges.
Actress Diane Guerrero now stars on shows Jane the Virgin and Orange Is the New Black. But when she was a teenager, her parents were deported. She tells NPR's Michel Martin how it shaped her life.
If the GOP takes over the Senate, the man expected to become majority leader is Minority Leader Mitch McConnell. But first, he has to win a sixth term in a state where his popularity has been sagging.
The opposable thumb you use to hold a pencil was long thought to be a defining aspect of humans. But an analysis of finger bones suggests stone tool use by pre-humans — perhaps 3 million years ago.
Some tribes are trying to set up growing operations after the Justice Department announced it would back off enforcement. Others worry about the potential for substance abuse.
Eye drops are unpleasant, and they don't do a great job of delivering medication to the eye. A superthin wafer that slowly dispenses medication and then dissolves is a promising replacement.