News

  1. Life

    2011 medicine Nobel goes to immunology researchers

    The prize in physiology or medicine recognizes scientists for their work on the body's innate and adaptive defenses against invading pathogens.

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  2. Space

    Longer cosmic ruler based on black holes

    A new method promises to improve the precision of extreme astronomical distance measurements.

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  3. Psychology

    Teen daters pal up to the bottle

    Buddies of boyfriends and girlfriends push teens toward or away from booze.

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  4. Physics

    Sweet beams: Lasers to measure blood sugar

    Cutting-edge use of light might someday prove useful in gauging diabetics’ glucose levels.

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  5. Space

    Messenger from Mercury

    NASA orbiter returns images of odd landforms on the solar system's innermost planet.