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  1. Health & Medicine

    Plugging Leaks: Manipulating receptors may impede sepsis

    Manipulation of signaling proteins on blood vessels may help combat sepsis, an often fatal condition.

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  2. Physics

    Rock, paper, toxins

    A computer model simulates a kind of rock-paper-scissors competition among three species of virtual bacteria.

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  3. Stimulant Inaction: ADHD drug’s mental lift proves surprisingly weak

    A widely used drug often calms children with attention-deficit hyperactivity disorder but does little to alleviate the condition's underlying mental deficits.

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  4. 19897

    This article suggests that Ritalin fails to “cure” attention-deficit hyperactivity disorder. Ritalin for ADHD is like glasses for a vision problem.