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  1. Health & Medicine

    Can supplements nix kidney stones?

    The majority of commercially available probiotic supplements don't degrade the compound that forms kidney stones.

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  2. Health & Medicine

    Dive suits could spread disease

    Divers' wetsuits can harbor bacteria that cause diseases in coral and people.

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  3. Hand gels falter

    Alcohol-based gels may not effectively eliminate from people's hands a type of virus that causes millions of cases of diarrhea worldwide each year.

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  4. Humans

    Letters from the June 10, 2006, issue of Science News

    Know the drill Could it be that the ancient teeth discovered with drill marks but no signs of fillings (“Mystery Drilling: Ancient teeth endured dental procedures,” SN: 4/8/06, p.