Archive for May 2008

Building faultless objects from faulty components may seem like alchemy. Yet scientists from the Weizmann Institute’s Computer Science and Applied Mathematics, and Biological Chemistry Departments have achieved just that, using a mathematical concept called recursion. ‘We all use recursion, intuitively, to compose and comprehend sentences like ‘the dog that chases the cat that bit the mouse that ate the cheese that the man dropped is black,’’ says Prof. Ehud Shapiro. Read the rest of this entry »

Using a breakthrough technology, researchers led by a Weill Cornell Medical College scientist have pinpointed the hormone estrogen as a key player in about half of all prostate cancers.

Estrogen-linked signaling helps drive a discrete and aggressive form of the disease caused by a chromosomal translocation, which in turn results in the fusion of two genes. Read the rest of this entry »

Once heralded as a promising obesity treatment, the hormone leptin lost its fat-fighting luster when scientists discovered overweight patients were resistant to its effects. But pairing leptin with just a minor amount of exercise seems to revive the hormone’s ability to fight fat again, University of Florida researchers recently discovered.

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Chemicals found in green tea may be able to stave off the cognitive deficits that occur with obstructive sleep apnea (OSA), according to a new study published in the second issue for May of the American Thoracic Society’s American Journal of Respiratory and Critical Care Medicine. Read the rest of this entry »

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