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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Study: Conservation Efforts Face Uphill Struggle

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A snowflake from Kiruna Sweden. Large, well-formed crystals like this one, which is between 2 and 5 mm, usually form when the temperature is around -15 degrees Celsius. A special photo-microscope and colored lights were used to capture the image. Kenneth Libbrecht/Lenart Nilsson Award hide caption

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In The Mind's Eye, Oliver Sacks looks at how blind people use other senses to "see" the world, and how people with aphasia and visionary disturbances learn to compensate with their other senses. iStockphoto.com hide caption

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Oliver Sacks: A Neurologist Examines 'The Mind's Eye'

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Researchers say one reason physicists are good at poker is because their brains are particularly attuned to thinking about probability, statistics and modeling. Mikko J. Pitkanen/iStockphoto.com hide caption

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Want To Clean Up At Poker? Study Physics

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Odd Todd

Listen To Us Weigh A Hurricane

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