Stemming the Debate Advances in Stem Cell Research
Environmental Indicators Nearly 7 billion gallons of ethanol are now produced annually in the United States...


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Biomonitoring Remarkable advances in analytical chemistry now make it possible to measure minute levels of both natural and synthetic compounds in human tissue and body fluids.  |
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Organic Farming a Growing Trend
The supposed benefits for consumers of organic produce and livestock may be more about marketing than health considerations.
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After a long delay, the U.S. Army Corps of Engineers recently announced plans to power up a $9 million electrical barrier designed to keep Asian carp, an invasive species, out of Lake Michigan.
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