The main ring of the Tevatron, seen in a time exposure. For a quarter century, the particle accelerator at a lab outside Chicago was the most powerful machine of its kind in the world. Reidar Hahn/Fermilab hide caption

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Tevatron Machine Will Smash Particles No More

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The Real Virologist Behind "Contagion"

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Science Diction: The Origin Of The Word 'Epilepsy'

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Could A Lack Of Empathy Explain Cruelty?

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China Launches A Space Laboratory

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Living In A Geodesic Dome Home

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Physicist Lisa Randall On Cosmology And The LHC

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David Attenborough Takes Wing With Pterosaurs

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This picture of the Eros asteroid is the first of an asteroid taken from an orbiting spacecraft. The crater at the center is about 4 miles across. JPL/JHUAPL/NASA hide caption

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Asteroids Pose Less Risk To Earth Than Thought

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Officials from Arizona-based First Solar and a New Mexico power company gather after the dedication of a new solar array in Albuquerque in April. Susan Montoya Bryan/AP hide caption

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Solar Titan Faces Funding Worries After Solyndra

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Using Twitter To Tap Into The Mood Of The Planet

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Water plant operator Torrey Jones checks the clarity of a sample of treated water at the Beaver Falls Municipal Authority water treatment plant in Beaver Falls, Pa. Keith Srakocic/AP hide caption

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The Trouble With Health Problems Near Gas Fracking

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This small juvenile skunk was caught by Des Plaines, Ill., homeowner Richard Kaulback. He says there have always been raccoons and opossums in the Chicago area, but this year, skunks have become prolific. Cheryl Corley/NPR hide caption

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Chicago-Area Skunk Population Raises A Stink

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More Realize They Face Pricey Long-Term Care

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