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  1. Health & Medicine

    A new technology uses human teardrops to spot disease

    A proof-of-concept technique to analyze microscopic particles in tears could give scientists a new way to detect eye disease and other disorders.

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  2. Dogs are great sniffers. A newfound nose-to-brain connection helps explain why

    A new anatomical description of how smell works in a dog brain shows why they’re such good sniffers.

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  3. Animals

    These huntsman spiders do something weird: live together as a big, happy family

    Five unusual species of spider moms let youngsters live at home way past the cute waddling baby phase.

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  4. Life

    The top side of an elephant’s trunk stretches more than the bottom

    New research on elephant trunks could inspire different artificial skins for soft robots.