Archive: 10/12/2006

Columbus DNA evidence inconclusive

The only established present-day heir to Christopher Columbus says the navigator and admiral was born in the northern Italian port city of Genoa.

Oct 12, 2006
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Major biofilm dispersion finding announced

A U.S. biologist says his discovery of a molecule that induces the dispersion of biofilms will affect numerous industries during coming years.

Oct 12, 2006
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Comparing Chimp, Human DNA

Most of the big differences between human and chimpanzee DNA lie in regions that do not code for genes, according to a new study. Instead, they may contain DNA sequences that control how gene-coding regions are activated ...

Oct 12, 2006
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How the Immune System Avoids Attacking Itself

A finding by University of Pennsylvania School of Medicine researchers about how immune cells "decide" to become active or inactive may have applications in fighting cancerous tumors, autoimmune diseases, and organ transplant ...

Oct 12, 2006
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Shrinking ponds signal warmer, dryer Alaska

A first-of-its kind analysis of fifty years of remotely sensed imagery from the 1950s to 2002 shows a dramatic reduction in the size and number of more than 10,000 ponds in Alaska. The analysis, by University of Alaska Fairbanks ...

Oct 12, 2006
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