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  1. Humans

    Ancestral gals roamed, guys stayed home

    Females in two ancient hominid species may have left their home groups to find mates.

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  2. Health & Medicine

    Spotting newborns at risk of hearing loss

    Testing for cytomegalovirus in saliva of infants can identify those harboring the virus, a new study shows.

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  3. Life

    Go deep, small worm

    A discovery in a South African mine suggests life can thrive far below the surface.

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  4. Life

    Life

    Ancient weirdos roamed the seas longer than thought, plus clever turtle embryos and da Vinci patterns in trees in this week’s news.