For Lab Mice, The Medical Advances Keep Coming

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Making Resolutions That Stick In 2012

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Exploring Science At The End Of The Earth

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NASA Probes Set To Orbit The Moon Over New Year's

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Year in Review: Science Stories of 2011

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Google Science Fair Winner Discusses Her Project

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Researchers claimed in late 2010 that they found bacteria in Mono Lake, Calif., that survived on the poison arsenic in the place of an element thought essential to life. The report was immediately greeted with skepticism from the scientific community. Ben Margot/AP hide caption

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Debunked Science: Studies Take Heat In 2011

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New England Fishermen Brace For Cod Restrictions

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A group of harbor porpoises in San Francisco Bay, photographed from the Golden Gate Bridge. Harbor porpoises haven't been seen in the bay since the 1930s. Researchers believe World War II activity may have contributed to their disappearance. The Navy strung a seven-mile underwater net across the mouth of the bay to keep out enemy submarines. William Keener/Golden Gate Cetacean Research hide caption

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60 Years After Leaving, Porpoises Again Play In SF Bay

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A Kemp's ridley sea turtle like this one traveled 4,600 miles across the Atlantic ocean in 2008. After being rehabilitated in Portugal, it is being reintroduced into its native Gulf of Mexico waters on Tuesday. US EPA via flickr hide caption

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Endangered Turtle Survives Trans-Atlantic Journey

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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 Wisdom Of Trees (Leonardo Da Vinci Knew It)

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Frankincense comes from the Boswellia sacra tree, which grows mainly in the Horn of Africa. The number of trees that produce the fragrant resin could decline by 90 percent in the next 50 years. scott.zona/flickr hide caption

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Trees In Trouble: Grim Future For Frankincense

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