Archive: 09/20/2007

Orphan stars found in long galaxy tail

Astronomers have found evidence that stars have been forming in a long tail of gas that extends well outside its parent galaxy. This discovery suggests that such "orphan" stars may be much more prevalent ...

dateSep 20, 2007 in Astronomy
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Low vitamin D linked to higher risk of hip fracture

Women with low levels of vitamin D have an increased risk of hip fracture, according to a study led by the University of Pittsburgh Graduate School of Public Health presented this week at the 29th annual meeting of the American ...

dateSep 20, 2007 in Other
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Flu virus trots globe during off season

The influenza A virus does not lie dormant during summer but migrates globally and mixes with other viral strains before returning to the Northern Hemisphere as a genetically different virus, according to biologists who say ...

dateSep 20, 2007 in Medical research
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Dealing with threatening space rocks

Every now and then a space rock hits the world's media – sometimes almost literally. Threatening asteroids that zoom past the Earth, fireballs in the sky seen by hundreds of people and mysterious craters ...

dateSep 20, 2007 in Space Exploration
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Controlling for size may also prevent cancer

Scientists at Johns Hopkins recently discovered that a chemical chain reaction that controls organ size in animals ranging from insects to humans could mean the difference between normal growth and cancer. The study, published ...

dateSep 20, 2007 in Cancer
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Bats may use magnetic polarity for navigation

Researchers have found that bats have a special ability to detect the polarity of a magnetic field, meaning that the creatures can tell the difference between north and south. The only other animal known to ...

dateSep 20, 2007 in feature
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The best both of worlds -- how to have sex and survive

Researchers have discovered that even the gruesome and brutal lifestyle of the Evarcha culicivora, a blood gorging jumping spider indigenous to East Africa, can’t help but be tempted by that ‘big is beautiful’ mantra ...

dateSep 20, 2007 in
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Gates Foundation goes after TB

The Bill & Melinda Gates Foundation, based in Seattle, has announced $280 million in grants to fight a growing tuberculosis problem.

dateSep 20, 2007 in Other
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