ScienceDaily Top Science Headlines -- for Sunday, June 19, 2011 ~ laniertech

Minggu, 19 Juni 2011

ScienceDaily Top Science Headlines -- for Sunday, June 19, 2011

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ScienceDaily Top Science Headlines

for Sunday, June 19, 2011

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Progress using induced pluripotent stem cells to reverse blindness (June 18, 2011) -- Researchers have used cutting-edge stem cell technology to correct a genetic defect present in a rare blinding disorder, another step on a promising path that may one day lead to therapies to reverse blindness caused by common retinal diseases. ... > full story

More evidence vitamin D boosts immune response (June 18, 2011) -- Laboratory-grown gingival cells treated with vitamin D boosted their production of an endogenous antibiotic, and killed more bacteria than untreated cells, according to a new study. The research suggests that vitamin D can help protect the gums from bacterial infections that lead to gingivitis and periodontitis. Periodontitis affects up to 50 percent of the US population, is a major cause of tooth loss, and can also contribute to heart disease. Most Americans are deficient in vitamin D. ... > full story

Chirality: New method to consistently make left-handed or right-handed molecules (June 18, 2011) -- Many organic molecules are non-superimposable with their mirror image. The two forms of such a molecule are called enantiomers and can have different properties in biological systems. The problem is to control which enantiomer you want to produce -- a problem that has proved to be important in the pharmaceutical industry. Researchers have now come up with a new method to control the process. ... > full story

New clues about protein linked to Parkinson's disease: Structural biologists measure energy difference between protein variants (June 18, 2011) -- Researchers have uncovered structural clues about the protein linked to Parkinson's disease, which ultimately could lead to finding a cure for the degenerative neurological disorder. ... > full story

'Ultrawideband' could be future of medical monitoring (June 18, 2011) -- New research has confirmed that an electronic technology called "ultrawideband" could hold part of the solution to an ambitious goal in the future of medicine -- health monitoring with sophisticated "body-area networks." Such networks would offer continuous, real-time health diagnosis to reduce the onset of degenerative diseases, save lives and cut health care costs. ... > full story

How many US deaths are caused by poverty and other social factors? About the same as deaths from heart attacks and stroke, study finds (June 18, 2011) -- In the first comprehensive analysis of the contribution of social factors to US mortality, researchers found that poverty, low levels of education, poor social support and other social factors contribute about as many deaths in the US as such familiar causes as heart attacks, strokes and lung cancer. ... > full story

Dawn of agriculture took toll on health (June 18, 2011) -- When populations around the globe started turning to agriculture around 10,000 years ago, regardless of their locations and type of crops, a similar trend occurred: the height and health of the people declined. The pattern holds up across standardized studies of whole skeletons in populations, say researchers in the first comprehensive, global review of the literature regarding stature and health during the agriculture transition. ... > full story

A better way to remember (June 18, 2011) -- Scientists and educators alike have long known that cramming is not an effective way to remember things. With their latest findings, researchers studying eye movement response in trained mice, have elucidated the neurological mechanism explaining why this is so. Their results suggest that protein synthesis in the cerebellum plays a key role in memory consolidation, shedding light on the fundamental neurological processes governing how we remember. ... > full story

Phobos slips past Jupiter (June 18, 2011) -- Earlier this month, ESA's Mars Express performed a special maneuver to observe an unusual alignment of Jupiter and the martian moon Phobos. The impressive images of this rare event are now available.. ... > full story

American Cancer Society report finds continued progress in reducing cancer mortality (June 18, 2011) -- A steady reduction in overall cancer death rates translates to the avoidance of about 898,000 deaths from cancer between 1990 and 2007, according to the latest statistics from the American Cancer Society. However, progress has not benefited all segments of the population equally. ... > full story

Ocean's harmful low-oxygen zones growing, are sensitive to small changes in climate (June 18, 2011) -- Scientists report a connection between climate fluctuations and the habitability of marine ecosystems by modeling the expansion and contraction of low-oxygen zones that are dangerous for ocean life. The team found that the size of low-oxygen ocean regions is extremely sensitive to changes in their depth caused by oscillations in climate. ... > full story

The way you relate to your partner can affect your long-term mental and physical health, study shows (June 18, 2011) -- The potentially lasting implications of day-to-day couple conflict on physical and mental well-being are revealed in a new study. ... > full story

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