News

  1. Humans

    Gene may boost effects of peer pressure

    DNA trait linked to tendency to be affected by high or low levels of alcohol and cigarette use in high school.

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  2. Health & Medicine

    Ovulation spurred by newfound semen ingredient

    A common growth-boosting protein may act as a pregnancy-protecting hormone in humans.

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  3. Life

    Unusual virus may tie snakes in knots

    Captive snakes with a fatal disease harbor viruses never before seen in reptiles.

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  4. Chemistry

    Supersmall lab-on-a-chip is superfast

    Two-chamber nanowire device that quickly finds diagnostic molecules in blood could be a lifesaver.

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  5. Psychology

    Psychopaths get time off for bad brains

    In a survey, judges tended to say they would reduce sentences for criminals defended with biological evidence.