News

  1. Earth

    Exposure to phthalate may shorten pregnancy

    Babies exposed to a common phthalate plasticizer before birth spend a week less in the womb than do those without evidence of exposure.

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  2. Chemistry

    Catalyzing green chemistry

    A recyclable catalyst promises to eliminate the waste generated during the manufacture of a wide range of chemicals, including drugs and ceramics.

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  3. Earth

    Indonesian reefs fell prey to fires

    The fires that swept through Indonesian rain forests late in 1997 apparently laid waste to some marine ecosystems, as well.

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  4. Babies show eye for object lessons

    Between 4 months and 6 months of age, babies learn that objects continue to exist even when they disappear behind barriers.