Researchers hope to keep the mosquito that transmits dengue, Aedes aegypti, from infecting humans using the Wolbachia bacterium. James Gathany/CDC Public Health Image Library hide caption

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Scientists now know why coffee rings have dark, well-defined edges, as seen in the image above. The research finding may have implications on the development of inks and paints. Marina Dominguez/NPR hide caption

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The Juno spacecraft, seen above Jupiter in this artist's rendering. Juno's primary mission is to improve our understanding of Jupiter's formation and evolution. NASA/JPL-Caltech hide caption

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Vampire bats have the ability to detect heat in their surroundings. This enables them to home in on animals that have blood vessels near the surface of their bodies. This vampire bat was caught in a net for a research study in Para, Brazil, in 2005. Mario Quadros/AP hide caption

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The International Space Station as seen from the space shuttle Atlantis after it undocked from the outpost in November 2009. Despite an end to the space shuttle program, NASA says scientific work is just getting into full gear on the space station. NASA hide caption

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The Virgin Galactic VSS Enterprise spacecraft is seen before its first public landing during the Spaceport America runway dedication ceremony near Las Cruces, N.M., on Oct. 22. Virgin Galactic is one of a handful of private companies that plan to fly paying customers into space. Mark Ralston/AFP/Getty Images hide caption

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