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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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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AnthroTronix Founder and CEO Corinna Lathan, at the company's offices in Silver Spring, Md. Courtesy of AnthroTronix, Inc. hide caption

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Envisioning The Future With Inventor Cori Lathan

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Jonathan Wilker holds up a group of oysters from a tank in his lab at Purdue University. Rebecca Davis/NPR hide caption

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Why A Hoosier State Scientist Is Stuck On Oysters

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This image represents a chunk, or "cube," of brain. Each different color represents a different neuron, and the goal of the EyeWire game is to figure out how these tangled neurons connect to each other. Players look at a slice from this cube and try to identify the boundaries of each cell. It isn't easy, and it takes practice. You can try it for yourself at eyewire.org. EyeWire hide caption

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Wanna Play? Computer Gamers Help Push Frontier Of Brain Research

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Car commercial? Nope. Jessica Richman, Zachary Apte (center) and William Ludington are looking to the crowd for money to fund uBiome, which will sequence the genetic code of microbes that live on and inside humans. Courtesy of uBiome hide caption

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Scientist Gets Research Donations From Crowd Funding

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A drawing from Michael Davidson's 2012 patent for "Toothbrush And Method Of Using The Same." Patent 8,108,962/U.S. Patent and Trademark Office hide caption

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The Quest For The Perfect Toothbrush

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