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  1. Science & Society

    Flu drug research takes Intel STS top honors

    A teenager’s computer analyses that identified six potential new flu-fighting compounds claimed first place at the 2014 Intel Science Talent Search.

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  2. Animals

    Chimps catch people’s yawns in sign of flexible empathy

    Chimpanzees may show humanlike empathy, as evidenced by their contagious yawning.

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  3. Neuroscience

    Brain chemicals help worms live long and prosper

    Serotonin and dopamine accompany long lives in C. elegans worms under caloric restriction.

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  4. Health & Medicine

    Second wave of bird flu ups pandemic worries

    The H7N9 avian influenza virus, which first appeared in 2013, is sweeping China with a second, larger wave of illness.