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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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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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 hide caption

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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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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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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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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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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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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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