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So you know how, if someone comes by and taps the top of your open beer bottle, a volcano of brewski will explode? Well, it turns out that the physics involved are the same as what causes an atomic bomb to form a mushroom cloud. A scientist explains how it works.

Right now, there are about a dozen full-time navigators and a few part-timers to help 200,000 Iowans make decisions about health insurance. In the countryside, it's particularly hard to get help to people who want it.

Our Peace Corps correspondent discovers that Nepal is a country where everyone dances all the time. And you have no choice but to bust a move.

Telemedicine sounds like a good idea, but state laws limit it, and insurers usually won't pay for that. Parkinson's specialist Ray Dorsey is determined to prove that it can work, one patient at a time. The latest lure: free 30-minute consults.

That's what health care educator Jane Otai had to tell a group of teenage girls to correct their mistaken ideas about being sexually active.

As Iran helps Iraqi government forces fight rebels pushing through Iraq, the use of unarmed Iranian drones has U.S. officials on edge, as analyst Anthony Cordesman explains to NPR's Linda Wertheimer.

Corrections officials have complained for years that America's prisons and jails are becoming the country's new asylums for the mentally ill. A recent Justice Department study supports that claim. It says more than half of all prison and jail inmates have experienced mental health problems in the last year.

In a new memoir, the Major League Baseball catcher opens up about getting drafted in the 62nd round, his feud with Roger Clemens and what it's like to go into retirement. Leaving the game, he says, was "like a small death."

For more than a century, neurons have been the superstars of the brain. Now researchers say that when they placed human versions of another type of brain cell into mice brains, the mice grew up to be faster learners. This supports the hypothesis that these glial cells — and not just better-known neurons — play an important role in learning.

Strategists, pollsters and billionaires are discovering that they can have a much bigger impact on the election through outside groups that can raise unlimited amounts of money. These political money men are already changing the way elections are won and lost.

Typhoon Haiyan swept through the Philippines late last week, leaving behind devastation and plenty of questions yet to be answered. Authors Kevin Roose and Allan Gurganus suggest books that might provide readers with a glimpse past the week's ubiquitous headlines, to the human cost often left hidden.

Sales of games on the PlayStation 3, Wii and Xbox 360 have dropped precipitously in recent years as mobile gaming has become more popular. Now a familiar champion, Tomb Raider and its heroine Lara Croft, returns to fight the good fight for old-school console gaming.