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Lung surfactant coats tiny air sacs in the lung. Without it, every breath is a struggle, like blowing up millions of little balloons. With surfactant, breathing is as easy as blowing soap bubbles.

The New York Times has acquired a list of Special Counsel Robert Mueller's questions for President Trump. NPR's Mary Louise Kelly talks with former prosecutor Sol Wisenberg about what they say about the direction of the investigation.

In Dallas, a local television newsman has repeatedly gone viral on the internet for his on-air editorials. But the broadcaster is not the station's news anchor or political commentator, he's the sportscaster.

Secretary of State Mike Pompeo has already been on an overseas trip, but Tuesday is his first actual day in the office at the State Department. Employees are eager to hear how he plans to bring back this agency's "swagger."

In a statement Monday, the R&B singer's management referred to the #MuteRKelly campaign as "a public lynching." Burke counters that women affiliated with Time's Up are looking for accountability.

In a society obsessed with youth and beauty - how far should we go in an attempt to meet social standards for appearance? Enhancing our appearance might…

Former inspectors say documents obtained by the Israeli government may prompt a fresh look at the nation's nuclear sites.

The federal government issued warnings to companies that sell vaping liquids, saying they are in violation of federal regulations due to packages that appear to market to children or teens.

As the nation grapples with a crisis of opioid addiction, a medical device called the Bridge is being touted as a way to help people through the symptoms of withdrawal. Does it work?

The National Rifle Association's ties to Russia have increased pressure on the group in recent months, and opponents are eager to seize on that during the NRA's annual meeting this week.