News

  1. Health & Medicine

    Learning from leprosy’s nerve damage

    The bacterium that causes leprosy directly damages a protective sheathing around many nerve cells.

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  2. Environment

    Old thermometers pose new problems

    Though health groups advocate getting mercury thermometers out of the home, obtaining sound advice on how to dispose of the thermometers can be problematic.

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  3. Earth

    Most oil enters sea from nonaccidents

    Nearly all of the oil entering the marine environment traces not to accidents but to natural seeps and human activities where releases are intentional.

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  4. Earth

    Mapping the Frozen Sky: Study looks at clouds from both sides now

    By combining simultaneous observations from satellites and ground-based instruments, scientists can generate a three-dimensional map of the size and distribution of ice particles in a cirrus cloud.