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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NASA's Mars rover Curiosity dug up five scoops of sand from a patch nicknamed "Rocknest." A suite of instruments called SAM analyzed Martian soil samples, but the findings have not yet been released. NASA/JPL-Caltech hide caption

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Big News From Mars? Rover Scientists Mum For Now

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Catherine Wong used electrical components to build an electrocardiogram that sends data by cellphone. Courtesy of Catherine Wong hide caption

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Roger Angel, an astronomer at the University of Arizona, stands in front of his new project: a solar tracker. Angel wants to use the device to harness Arizona's abundant sunlight and turn it into usable energy. Jason Millstein for NPR hide caption

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Telescope Innovator Shines His Genius On New Fields

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Adam Steltzner, the leader of the rover's entry, descent and landing engineering team, cheers after Curiosity touched down safely on Mars on Sunday. Bill Ingalls/NASA/Getty Images hide caption

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So You Landed On Mars. Now What?

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NASA engineer Adam Steltzner led the team that designed a crazy new approach to landing on Mars. Rachael Porter for NPR hide caption

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Crazy Smart: When A Rocker Designs A Mars Lander

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Joe Palca serves up some hot tea on a very hot day at Teaism in Washington, D.C., last week. Maggie Starbard/NPR hide caption

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Cool Down With A Hot Drink? It's Not As Crazy As You Think

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