Think of it as a gift within a gift. Some beneficial gut bacteria contain viruses called "bacteriophages." And some of these phages now have been associated with good intestinal health in humans.
Serious algae outbreaks have hit more than 20 states this summer. Algae blooms aren't unusual. But the frequency, size and toxicity now are worse than ever, and changes in climate are partly to blame.
The actor and writer who brought his signature manic energy to comedy classics died at his home in Stamford, Conn., of complications from Alzheimer's disease. He was 83.
The focus has often been on U.S. military action in the Middle East. But diplomacy is also critical. Here's a look at one of America's most important and complicated relationships in the region.
In 1960, all of Chile shook violently for more than 10 minutes. That quake along the western coast of South America was so big, it changed the way people see the world.
At the opening of a new Trump campaign office in Nevada, Donald Trump's supporters say they'll vote for him regardless of whether they agree with everything he says.
Chocolate lovers may agree cocoa is the food of the gods, but how strong is the evidence that it boosts heart health? Researchers are recruiting for a new study aimed at answering this question.
Don't be fooled by his mild PBS persona; the beloved painter was actually an exacting artist and businessman with — brace yourself — naturally straight hair.
The next U.S. president faces a messy world, from a confrontational Russia to a rising China and a fractured Middle East. NPR looks at the election year debate over America's place in the world.
Given the increasingly dire predictions about the future, being a climate activist is stressful. Some say it's making them stress over something else — whether or not to have children.