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Beneficial bacteria, or probiotics, help us digest food, make vitamins, and even help protect us from harmful pathogens. But it's not clear which probiotics are helpful.

An elementary look at the way many of the political class are running away from their parties — and even themselves.

A long list of new laws are set to take effect in Kentucky this week, including one that will allow the state to offer extra tax incentives to encourage…

It was a deadly weekend. And the video of a woman being executed recalled the days when the Taliban ruled the country.

From NPR: Cases of Black Lung surge as an investigation by NPR and CPI uncovers regulators' inability to control a deadly disease.From Kentucky: A man…

Peter Nomikos, a young shipping heir whose family helped turn the Greek island of Santorini into a tourist hot spot, is trying to help Greece dig out of its massive debt with a new charity that asks average Greeks to chip in.

Do you have a good idea? Something that could change the world? NPR wants to know. Our new "What's Your Big Idea?" video contest will showcase the big ideas of people ages 13 to 25. It's all part of our exploration of the process of innovation and invention. So, what's your big idea?

When filmmaker Julie Winokur's son called her the most intolerant person he knew, she set out to prove him wrong. She's traveling the country with a star-spangled tablecloth, a camera and an invitation for people to sit awhile and share their political beliefs.

For the second month in a row, the Republican challenger and his party brought in more than the president and his fellow Democrats.

Tours of the Lake Barkley Dam powerhouse and navigation lock in Grand Rivers have resumed for the first time since the September 11 terrorist attacks.…