News
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EarthExposure 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.
By Ben Harder -
ChemistryCatalyzing 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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EarthIndonesian 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.
By Sid Perkins -
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.