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Space
6:17 pm
Wed July 3, 2013

Why You Can't Name New Moons And Planets Anything You Want

This artist's illustration shows Pluto and one of its moons, Charon. A global consortium of astronomers sets the rules for naming things like asteroids and moons throughout the solar system.
Detlev van Ravenswaay Science Source

Originally published on Tue July 9, 2013 12:38 pm

A dispute over the names of two new moons of Pluto is highlighting a broader battle over who names what in our solar system and beyond. On one side is the International Astronomical Union (IAU), a venerable consortium of astronomers who have set the naming rules for the better part of a century. On the other side, a growing number of astronomers who feel the IAU has unfairly designated itself as the intergalactic naming police.

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Around the Nation
5:48 pm
Wed July 3, 2013

Gettysburg Swells As Throngs Mark Civil War's Turning Point

Men dressed as members of the Union infantry demonstrate battalion formations for tourists.
Chris Connelly NPR

Originally published on Thu July 4, 2013 5:15 pm

About three dozen men dressed in Confederate Army uniforms woke Wednesday morning on historical campgrounds at the iconic Gettysburg battlefield. Soggy from the night's rain, they warmed themselves by the fire and cooked up bacon and potatoes.

The re-enactors joined hundreds of others camping out to show visitors what life may have been like for Civil War soldiers. It's part of a huge display the National Parks Service is putting on to mark the Battle of Gettysburg's 150th anniversary.

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Shots - Health News
4:52 pm
Wed July 3, 2013

Scientists Grow A Simple, Human Liver In A Petri Dish

"Liver buds" grow in petri dishes. The rudimentary organs are about 5 mm wide, or half the height of a classic Lego block.
Courtesy of Takanori Takebe/Yokohama City University Graduate School of Medicine

Originally published on Thu July 4, 2013 9:48 am

Japanese scientists have cracked open a freaky new chapter in the sci-fi-meets-stem-cells era. A group in Yokohama reported it has grown a primitive liver in a petri dish using a person's skin cells.

The organ isn't complete. It's missing a few parts. And it will be years --maybe decades — before the technique reaches clinics.

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Music
4:45 pm
Wed July 3, 2013

Does Macklemore Really Thrift Shop?

Originally published on Thu July 4, 2013 12:13 pm

Macklemore and Ryan Lewis are chart-topping rap sensations. In a special rebroadcast, they sat down last year with guest host Celeste Headlee to talk about their latest album 'The Heist' a few months before their fame hit its biggest heights.

History
4:45 pm
Wed July 3, 2013

Celebrating The Expansion Of Our Nation

On July 4, 1803, President Thomas Jefferson announced the signing of the Louisiana Purchase, when the United States bought more than 800,000 square miles of land from the French. On this anniversary, guest host Celeste Headlee highlights some of the forgotten history around the purchase.

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