News tagged with positive selection
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Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
5 / 5 (1) |
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Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
WHO says Tamiflu still works against swine flu
Medicine & Health / Medications
Nov 26, 2009 |
not rated yet |
0
(AP) -- The World Health Organization says isolated cases of drug-resistant swine flu in Britain and the United States have not changed the agency's assessment of the disease.
Plasma produces KO cocktail for MRSA
Nov 26, 2009 |
4.9 / 5 (13) |
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MRSA (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation as low-temperature plasma prototype devices have been developed to offer safe, quick, easy and un ...
Past regional cold and warm periods linked to natural climate drivers
Space & Earth / Earth Sciences
Nov 26, 2009 |
3.9 / 5 (16) |
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Intervals of regional warmth and cold in the past are linked to the El Niño phenomenon and the so-called "North Atlantic Oscillation" in the Northern hemisphere's jet stream, according to a team of climate scientists. These ...
Teachers begin using cell phones for class lessons
Nov 27, 2009 |
2 / 5 (2) |
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(AP) -- Ariana Leonard's high school students shuffled in their seats, eagerly awaiting a cue from their Spanish teacher that the assignment would begin. "Take out your cell phones," she said in Spanish.
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