Rice University's FlatCam is thinner than a dime. Jeff Fitlow/Rice University hide caption

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Bulky Cameras, Meet The Lens-less FlatCam
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The plastic sheet invented by Stanford University chemical engineer Zhenan Bao and her colleagues can be inserted in lithium-ion batteries to avoid overheating. Zheng Chen/Courtesy of Zhenan Bao hide caption

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Batteries With A Less Fiery Future
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A building called Sustainability Base, at NASA's Ames Research Center in Mountain View, Calif., has an energy-efficient design that allows in sunlight. So for most of the year, the interior is illuminated by natural light. Dominic Hart/NASA hide caption

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NASA Uses Lessons From Space To Design An Efficient Building
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An illustration shows what a helicopter drone would look like on the surface of Mars. NASA/JPL-Caltech hide caption

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Someday A Helicopter Drone May Fly Over Mars And Help A Rover
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Researchers at Brown University's computer science department are studying whether a robot called Baxter can be taught to pick up different objects. Joe Palca/NPR hide caption

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How Can Robots Learn New Tasks? Practice, Practice, Practice
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An artist's rendering of what Dearcmhara shawcrossi probably looked like in dinosaur times. Todd Marshall/University of Edinburgh hide caption

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Ancient Scottish Sea Reptile Not 'Nessie,' But Just As Cute
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Current water-filtering technology is costly, but MIT scientists are testing a simpler and cheaper method that uses wood from white pine trees. Wikimedia Commons hide caption

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To Clean Drinking Water, All You Need Is A Stick
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Dr. Jim Olson meets with Carver Faull at Seattle Children's Hospital in August. Carver, now 12, had surgery to remove a brain tumor in 2012. Matthew Ryan Williams for NPR hide caption

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Treating Kids' Cancer With Science And A Pocket Full Of Hope
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