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Posted: September 2nd, 2008, 5:32pm EDT
New gene chips - devices that test the DNA at sites along the genome - can assess 500,000 of the genome's three billion units at a time. When these differences are added together, a linkage emerges.
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Posted: September 2nd, 2008, 5:32pm EDT
New risk charts in a paper published in The Journal of the National Cancer Institute provide a broader perspective than most of the risk calculators on the Internet.
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Posted: September 2nd, 2008, 8:52am EDT
Public discussion of climate change is largely reduced to carbon, but other chemicals have large roles in the planet's health, and a growing number of researchers are looking at nitrogen.
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Posted: September 2nd, 2008, 8:52am EDT
There seems to be a geographical pattern to European genetics. By analyzing people's genomes, geneticists can tell roughly where in Europe they come from.
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Posted: September 2nd, 2008, 8:52am EDT
Everywhere in nature, biologists say, are examples of animals behaving as though they were at least vaguely aware of death's brutal supremacy and yet unpersuaded that it had anything to do with them.
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Posted: September 2nd, 2008, 8:52am EDT
Doctors continue to heavily prescribe the cholesterol drug Vytorin, though six years after its approval there is still no proof that the drug helps patients live longer or avoid heart attacks.