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News | Archive (13 September 2010)
Early prostate cancer detection, screening: No benefit for men with low baseline PSA value
— 10:49 GMT | HealthMen aged 55 to 74 years who have low baseline blood levels of prostate specific antigen (PSA) are not likely to benefit from further screening and treatment. That is the conclusion of a new study published early online in Cancer, a peer-reviewed journal of the American Cancer Society. The aim of the study is to help physicians and patients weigh the pros and cons of prostate cancer screening and early detection…
Engineers make artificial skin out of nanowires
— 10:46 GMT | TechnologyEngineers at the University of California, Berkeley, have developed a pressure-sensitive electronic material from semiconductor nanowires that could one day give new meaning to the term 'thin-skinned'…
Scripps Research scientists solve long-standing mystery of protein 'quality control' mechanism
— 10:43 GMT | HealthScientists from The Scripps Research Institute have solved a long-standing mystery of how cells conduct 'quality control' to eliminate the toxic effects of a certain kind of error in protein production. The findings may lead to a better understanding of a host of neurodegenerative diseases…
Good long-term results for fusion surgery for high-grade spondylolisthesis
— 10:40 GMT | HealthA group of children who underwent fusion surgery for spondylolisthesis in the lumbar spine 30 years ago showed a clear reduction in back pain when followed up seven years later. A new study of these patients as adults has found that the benefits have lasted, reveals research from the Sahlgrenska Academy and Sahlgrenska University Hospital presented this week at the International Society of Orthopaedic Surgery and Traumatology (SICOT) annual international conference in Gothenburg…
Female marine snails trick amorous males
— 10:37 GMT | BiologySexual conflict is not only a human phenomenon. Scientists at the University of Gothenburg have shown that females of the rough periwinkle conceal their gender identity in order to avoid excessive copulation…
National study finds 70 percent increase in basketball-related traumatic brain injuries
— 10:34 GMT | HealthA new study conducted by researchers at the Centre for Injury Research and Policy at Nationwide Children's Hospital examined basketball-related injuries treated in emergency departments among children and adolescents between the ages of 5 and 19 from 1997 to 2007. According to the study, more than 4 million basketball-related injuries were treated in emergency departments during the 11-year study. While the number of injuries decreased 22 percent over the course of the study, the average number of injuries per year (375,350) remained high…
MIT researchers develop a way to funnel solar energy
— 10:31 GMT | TechnologyUsing carbon nanotubes (hollow tubes of carbon atoms), MIT chemical engineers have found a way to concentrate solar energy 100 times more than a regular photovoltaic cell. Such nanotubes could form antennas that capture and focus light energy, potentially allowing much smaller and more powerful solar arrays…
Gene discovery could yield treatments for nearsightedness
— 10:28 GMT | HealthMyopia (nearsightedness) is the most common eye disorder in the world and becoming more common, yet little is known about its genetic underpinnings…
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Neutron scatter camera provides a way to look at radiation
Researchers set new chemical world record