News

  1. Life

    Numbers flap has minor implications for global extinctions

    A statistical technique used to estimate rates of species disappearance is flawed, two ecologists charge — but not enough to invalidate recent dire assessments.

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  2. Humans

    Geographic profiling fights disease

    Widely used to snare serial criminals, a forensic method finds application in epidemiology.

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  3. Health & Medicine

    No pain, healthier brain

    When chronic back problems are treated, benefits extend above the neck.

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  4. Life

    Daytime bites for zombie ants

    The living dead of the insect world show an unexplained sense of timing: a surge of strange activity in the a.m.