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12:01am

Wed July 6, 2011
Who Serves

A Teacher Leaves The Classroom For Afghanistan

Darryl St. George, a Navy corpsman with Weapons Company of the 2nd Battalion, 8th Marines out of Camp Lejeune, N.C., reads a book as the sun rises over a temporary base nicknamed "Patrol Base Suc" in Helmand province, southern Afghanistan.
David Gilkey NPR

A very small number of Americans are now serving in the military — less than 1 percent. Some are looking for direction; others are inspired by a sense of patriotism or by a family member who served in an earlier war. In the series Who Serves, NPR looks at those who have made a decision few others today have — to fight in America's wars.

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12:01am

Wed July 6, 2011
Energy

At U.S. Nuclear Reactors, Crews Train For The Worst

Engineers at the Grand Gulf Nuclear Generating Station in Mississippi practice disaster and emergency situations in a mock-up control room. Every nuclear plant in the U.S. has control room simulators that are nearly exact replicas of the real facilities.
Richard Harris NPR

Some nuclear industry officials say if Japan had U.S.-style training for its operators, they might have fared better during the multiple meltdowns at the Fukushima Dai-ichi nuclear power plant. In Japan, workers train on generic simulators. Here, every nuclear power plant has an exact mockup of its control room so plant operators can practice more realistic disaster scenarios.

Take for example the Grand Gulf Nuclear Generating Station, south of Vicksburg, Miss., on the Mississippi River.

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12:01am

Wed July 6, 2011
Asia

As Pakistan Expands Nuke Arsenal, U.S. Fears Grow

As Pakistan tries to add to its stockpile of nuclear bombs, domestic terrorists are launching more sophisticated attacks on the country's military bases. Together, those trends are raising fears that terrorists might target Pakistan's widening network of nuclear facilities.

The U.S. relationship with Pakistan is fraught with anxiety and danger, and there is no more perilous element than Pakistan's nuclear weapons.

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10:00pm

Tue July 5, 2011
Sweetness And Light

When Athletes Play Dirty, Government Bats Cleanup

For those of you depressed that two of our grandest leagues, the NFL and the NBA, are both temporarily out of business via lockout, cheer up: There's other major news to divert you. Drugs are back, front and center. In fact, right now it's a veritable pharmaceutical hullabaloo.

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6:40pm

Tue July 5, 2011
The Two-Way

Physicists Almost Certain The Universe Is Not A Hologram

By measuring the polarization of gamma rays like this one, scientists were able to determine that the universe is likely not "pixelated."
European Space Agency

Rest easy: What is in front of you is almost certainly not just a hologram projection. Alright, I'll back up a little bit: As a result of a gravitational wave experiment called the GEO600, Craig Hogan, a particle astrophysicist at Fermilab in Ill., thought the universe might be a projection. A 2009 piece in New Scientist detailed the experiment, which found that at very magnified levels the world was sort of pixelated.

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