ScienceDaily Top Science Headlines -- for Saturday, June 25, 2011 ~ Technology

Sabtu, 25 Juni 2011

ScienceDaily Top Science Headlines -- for Saturday, June 25, 2011

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ScienceDaily Top Science Headlines

for Saturday, June 25, 2011

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Some captive chimpanzees show signs of compromised mental health, research shows (June 24, 2011) -- A new study finds that serious behavioral abnormalities, some of which could be compared to mental illness in humans, are endemic among captive chimpanzees. While most behavior of zoo-living chimpanzees is 'normal' in that it is typical of their wild counterparts, abnormal behavior is endemic in this population despite enrichment efforts such as social housing, say researchers. ... > full story

Sepsis: Leaking blood vessels may be cause of infection-spreading condition, researchers suggest (June 24, 2011) -- Researchers have put forward a new theory as to what causes sepsis, an often fatal condition that occurs when infection spreads throughout the body. Leaking blood vessels may actually be a cause of sepsis, rather than a symptom as previously thought. ... > full story

Mantis shrimp eye could improve high-definition CDs, DVDs (June 24, 2011) -- The eye of the peacock mantis shrimp has led an international team of researchers to develop a two-part waveplate that could improve CD, DVD, blu-ray and holographic technology, creating even higher definition and larger storage density. ... > full story

Heart valve replacement without opening the chest gives new option for non-operable patients (June 24, 2011) -- An innovative approach for implanting a new aortic heart valve without open-heart surgery offers hope for patients with severe aortic stenosis who are at high-risk or not suitable candidates for open heart valve replacement surgery. ... > full story

High technology, not low taxes, may drive US states' economic growth (June 24, 2011) -- High-tech training may trump tax breaks for creating more jobs and improving a state's economy, according to a new study by economists. ... > full story

Cut down on 'carbs' to reduce body fat, study authors say (June 24, 2011) -- A modest reduction in consumption of carbohydrate foods may promote loss of deep belly fat, even with little or no change in weight, a new study finds. ... > full story

Deep history of coconuts decoded: Origins of cultivation, ancient trade routes, and colonization of the Americas (June 24, 2011) -- DNA analysis of more than 1,300 coconuts from around the world reveals that the coconut was brought under cultivation in two separate locations, one in the Pacific basin and the other in the Indian Ocean basin. What's more, coconut genetics also preserve a record of prehistoric trade routes and of the colonization of the Americas. ... > full story

Lithium profoundly prevents brain damage associated with Parkinson's disease, mouse study suggests (June 24, 2011) -- Lithium profoundly prevents the aggregation of toxic proteins and cell loss associated with Parkinson's disease (PD) in a mouse model of the condition. Preclinical research is aimed at determining correct dosages for a drug that continues to be the gold standard for treating bipolar disorder. Medical researchers are currently working toward initiating Phase IIa clinical studies of lithium in humans in conjunction with standard PD drug therapy. ... > full story

Optical circuit enables new approach to quantum technologies (June 24, 2011) -- Scientists have demonstrated a fundamental building block for quantum computing that could soon be employed in a range of quantum technologies. ... > full story

Oxytocin promises hope in Prader-Willi syndrome, research suggests (June 24, 2011) -- Prader-Willi syndrome is a rare genetic disorder which affects one child in 25,000. Children born with this syndrome have a range of complex neurological and developmental problems which continue into adult life. New research demonstrates that the hormone oxytocin is able to positively affect patients by improving trust, mood, and reducing disruptive behavior. ... > full story

Northern Eurasian snowpack could be a predictor of winter weather in US, team from UGA reports (June 24, 2011) -- Every winter, weather forecasters talk about the snow cover in the northern US and into Canada as a factor in how deep the deep-freeze will be in the states. A new study indicates they may be looking, at least partially, in the wrong place. ... > full story

Prejudice linked to women's menstrual cycle, study suggests (June 24, 2011) -- Women's bias against male strangers increases when women are fertile, suggesting prejudice may be partly fueled by genetics, according to a new study. ... > full story