Mexico's President Felipe Calderon (left) starts a wind turbine that will help power the United Nations Climate Change Conference in Cancun. Officials will spend the next two weeks debating how to mobilize money to cope with climate change as temperatures climb, ice melts and seas rise. Israel Leal/AP hide caption

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Israel Leal/AP

Officials Aim For Small Wins In Cancun Climate Talks

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The deep-water-research submarine Alvin is launched from Atlantis. Scientists are studying how ecosystems in the Gulf of Mexico may have been affected by the Deepwater Horizon oil spill. Richard Harris/NPR hide caption

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Richard Harris/NPR

Deep-Water Dive Reveals Spilled Oil On Gulf Floor

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Researchers Spend Thanksgiving At Sea

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This image, which combines X-ray, infrared and optical images, shows a supernova within the galaxy M100 that may contain the youngest known black hole in our cosmic neighborhood. Chandra X-ray Observatory Center/NASA/CXC/JPL/Caltech hide caption

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Chandra X-ray Observatory Center/NASA/CXC/JPL/Caltech

Supernova Shines Light On Black Hole Formation

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Fred Bartlit Jr., chief investigator of the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling, at the public hearing in Washington, D.C., on Monday. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Oil Spill Panel Tells A Complicated Tale

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Coral Dying Near BP Oil Spill Site

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Genes, made up of tiny strands of DNA, may no longer be patentable under the Justice Department's recent decision. Mark Evans/iStockphoto.com hide caption

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Mark Evans/iStockphoto.com

Feds Surprise Biotech Industry With Gene Patent Rule

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A study finds that more than 800 species of vertebrates are moving closer to extinction, a fate that befell the golden toad. U.S. Fish and Wildlife Service via Wikimedia Commons hide caption

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U.S. Fish and Wildlife Service via Wikimedia Commons

Study: Conservation Efforts Face Uphill Struggle

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A core sample from the seafloor of the Gulf of Mexico shows a 2-inch layer of oily material. Researchers are finding oil on the seafloor miles away from the blown-out BP well.  Though researchers have yet to chemically link the oil deposits to the BP well, "the sheer coverage here is leading us all to come to the conclusion that it has to be sedimented oil from the oil spill because it's all over the place," says one scientist. Courtesy of Samantha Joye hide caption

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Courtesy of Samantha Joye

Scientists Find Thick Layer Of Oil On Seafloor

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BP Report Shares Blame For Rig Explosion

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BP Issues Report On Gulf Oil Spill Disaster

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Scientists: Bacteria Consuming BP Oil

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Most Gulf Oil Is Out Of Site But Not Out Of Mind

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BP Says 'Static Kill' Is Complete

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