The Large Synoptic Survey Telescope, seen in this artist's rendering, will be built on the peak of the Cerro Pachon mountain in Chile and will survey every patch of the night sky. The data the telescope will collect will allow researchers to "answer fundamentally different questions about the universe," says one astronomer. Todd Mason/LSST Corp. hide caption

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Mosquitoes like this one can carry the virus that causes dengue fever. James Gathany/CDC Public Health Image Library hide caption

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AquaBounty's genetically modified salmon is seen swimming behind a much smaller wild Atlantic salmon of the same age. AquaBounty has been trying to get government approval to sell its salmon for more than a decade. Courtesy of AquaBounty Technologies hide caption

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Leonardo DaVinci noted that when trees branch, smaller branches have a precise, mathematical relationship to the branch they sprang from. iStockphoto.com hide caption

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The compact car-sized Mars Science Laboratory is due to land on the red planet on Aug. 6, 2012. It is equipped with a suite of instruments to study rocks and soils, and take other measurements. NASA/JPL-Caltech hide caption

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Flies are attracted to glycerol, a chemical in beer produced during fermentation. Understanding more about the genes responsible for taste and smell in flies could help make powerful insect repellents. iStockphoto.com hide caption

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A jury member feels a piece of duck foie gras during a contest of local producers and producers from southwestern France. BOB EDME/ASSOCIATED PRESS hide caption

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American astronomer Edwin Hubble looks through the eyepiece of the 100-inch telescope at the Mount Wilson Observatory in Los Angeles, 1937. In 1929, Hubble proposed that the more distant a galaxy is, the faster it appears to be receding from us, a concept that has become known as Hubble's law. Margaret Bourke-White/Time & Life Pictures/Getty Images hide caption

itoggle caption Margaret Bourke-White/Time & Life Pictures/Getty Images

Nicolaus Copernicus made the astounding claim that Earth revolves around the sun, not the other way around. He's seen here circa 1515. Hulton Archive/Getty Images hide caption

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