Should Humans Give Overheated Species a Lift?
Jan 24, 2007 |
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As the Earth warms up (2006 was the hottest year on record in America and the hottest in Britain since 1659), ecologists expect many plants and animals to move up, too -- up north and uphill, to locations where temperatures ...
Chopping off protein puts immune cells into high gear
Jan 24, 2007 |
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The complex task of launching a well-organized, effective immune system attack on specific targets is thrown into high gear when either of two specific enzymes chop a protein called LAG-3 off the immune cells leading that ...
Rodent sperm work together for better results
Biology /
Jan 24, 2007 |
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Although, sperm are inseminated in millions each sperm goes it alone. However, under some circumstances it might be advantageous for sperm to cooperate with one another. This is especially likely to be the case when females ...
Calculated risk
Jan 24, 2007 |
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A simple blood test may be able to identify those most at risk for developing head and neck cancer as a result of smoking. This was the finding of a recent study by Prof. Zvi Livneh, Head of the Weizmann Institute's Biological ...
NASA schedules four ISS spacewalks
Space & Earth / Space Exploration
Jan 24, 2007 |
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NASA astronauts are to conduct an unprecedented series of four spacewalks during the next month at the International Space Station.
Antiretroviral resistance testing in HIV infected patients improves health and saves costs
Medicine & Health / HIV & AIDS
Jan 24, 2007 |
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During HIV treatment resistance mutations of the virus to antiretroviral drugs may occur and the treatment regimen become less effective. In the present study the authors compared the cost-effectiveness of genotypic antiretroviral ...
Quitting smoking may be harder if mom smoked during pregnancy
Jan 24, 2007 |
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Quitting smoking may be more difficult for individuals whose mothers smoked during pregnancy, according to animal research conducted by Duke University Medical Center researchers.
