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  1. Earth

    How polluted is a preschooler’s world?

    Preliminary data from a new study show that children may ingest traces of atrazine, a common herbicide, in their drinking water.

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  2. Earth

    Kitchen tap may offer drugs and more

    Excreted drugs and household chemicals are making their way through community waste-treatment and drinking-water plants.

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  3. Earth

    Composting cuts manure’s toxic legacy

    Composting manure reduces its testosterone and estrogen concentrations, limiting the runoff of these hormones, which can harm wildlife.

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  4. 19039

    For a few unfortunate people, choline has a dark side. An inborn error of metabolism, trimethylaminurea, causes them to smell like rotting fish when they eat high-choline foods.