Hole Or Whole, Why Can Our Brains Hear The Difference?

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Defining A Hole Presents A Philosophical Quandary

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Scientists Reach Milestone In Quest For Smart Windows

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Black Holes One Of Space's Great Paradoxes

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NASA Marks Curiosity's First Year On Mars

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This self-portrait of NASA's Mars rover Curiosity combines dozens of exposures taken by the rover's Mars Hand Lens Imager during the 177th Martian day, or sol, of Curiosity's work on Mars, plus three exposures taken during Sol 270 to update the appearance of part of the ground beside the rover. NASA/JPL-Caltech/MSSS hide caption

toggle caption NASA/JPL-Caltech/MSSS

A Year On Mars: What's Curiosity Been Up To?

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NASA Uses Photo Of Earth From Saturn To Boost Space Interest

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Wood fibers are coated with carbon nanotubes and then packed into small disks of metal. The sodium ions moving around in the wood fibers create an electric current. Heather Rousseau/NPR hide caption

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All Charged Up: Engineers Create A Battery Made Of Wood

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Before And After: These near-infrared images of Uranus show the planet as seen without adaptive optics (left) and with the technology turned on (right). Courtesy of Heidi B. Hammel and Imke de Pater hide caption

toggle caption Courtesy of Heidi B. Hammel and Imke de Pater

For Sharpest Views, Scope The Sky With Quick-Change Mirrors

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Scientists Discover Rip Van Winkle Of The Plant World

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The small patch in the middle of the image is Aulacomnium turgidum, a type of bryophyte plant. Researchers in the Canadian Arctic say they are surprised the bryophytes were still green, even after being covered by ice. Courtesy of Caroline La Farge hide caption

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From the May 29, 2013, 'Morning Edition': NPR's Joe Palca reports on the discovery

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