ScienceDaily Top Science Headlines
for Saturday, April 30, 2011
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New solar cell technology greatly boosts efficiency (April 29, 2011) -- With the creation of a 3-D nanocone-based solar cell platform, scientists have boosted the light-to-power conversion efficiency of photovoltaics by nearly 80 percent. ... > full story
Risk of accelerated aging seen in PTSD patients with childhood trauma (April 29, 2011) -- Adults with post-traumatic stress disorder and a history of childhood trauma had significantly shorter telomere length than those with PTSD but without childhood trauma, a recent study found. ... > full story
Mutant mouse reveals new wrinkle in genetic code (April 29, 2011) -- Call it a mystery with a stubby tail: an odd-looking mouse discovered through a US government breeding program in the 1940s that had a short, kinky tail and an extra set of ribs in its neck -- and nobody knew why. ... > full story
A better imaging agent for heart disease and breast cancer (April 29, 2011) -- Scientists are reporting development of a process for producing large quantities of a much-needed new imaging agent for computed tomography scans in heart disease, breast cancer and other diseases, and the first evidence that the material is safe for clinical use. The imaging agent is a tantalum oxide nanoparticle, which is inexpensive, and stays in the body long enough to image many different organs. ... > full story
Identifying beaked whale foraging habitat in the Bahamas (April 29, 2011) -- Marine biologists have found that oceanographic and prey measurements can be used to identify beaked whale foraging habitat. ... > full story
When a salad is not a salad: Why are dieters easily misled by food names? (April 29, 2011) -- Dieters are so involved with trying to eat virtuously that they are more likely than non-dieters to choose unhealthy foods that are labeled as healthy, according to a new study. It seems dieter focus on food names can work to their disadvantage. ... > full story
NASA's Swift and Hubble probe asteroid collision debris (April 29, 2011) -- Late last year, astronomers noticed an asteroid named Scheila had unexpectedly brightened, and it was sporting short-lived plumes. Data from NASA's Swift satellite and Hubble Space Telescope showed these changes likely occurred after Scheila was struck by a much smaller asteroid. ... > full story
New genetic model of premature aging diseases (April 29, 2011) -- Scientists have developed a new genetic model of premature aging disorders that could shed light on these rare conditions in humans and provide a novel platform for large-scale screening of compounds to combat these and other age-related diseases. ... > full story
Mystery solved: How sickle hemoglobin protects against malaria (April 29, 2011) -- A new article is likely to help solve one of the long-standing mysteries of biomedicine. In a study that challenges currently held views, researchers unravel the molecular mechanism whereby sickle cell hemoglobin confers a survival advantage against malaria, the disease caused by Plasmodium infection. These findings open the way to new therapeutic interventions against malaria, a disease that continues to inflict tremendous medical, social and economic burdens to a large proportion of the human population. ... > full story
Measles outbreak underscores need for continued vigilance in health care settings (April 29, 2011) -- In 2008, the largest reported health care-associated measles outbreak in the United States since 1989 occurred in Tucson, Ariz., costing approximately 0,000 in response and containment efforts. Researchers have now identified preventive measures hospitals and health care facilities can implement to reduce the likelihood and decrease the economic impact of a future measles outbreak in these settings. ... > full story
Fine chemical processes safer and more efficient with new type of reactor (April 29, 2011) -- Researchers have developed a unique chemical reactor, the ‘spinning disc reactor’. This is a cylinder containing a rotor that increases the safety and efficiency of chemical production processes involving gases, liquids and solids through its very high mass transfer rate. This new reactor is particularly beneficial for the pharmaceutical and fine chemical industries. ... > full story
Unintentional child injuries, deaths can be prevented, public health researchers say (April 29, 2011) -- Injury-related accidents, including suffocation, being burned, and ingestion of harmful substances, are the leading cause of death among children and adolescents, according to the CDC. Researchers have found that the majority of injuries to young children are not the result of physical abuse, but unintentional injuries resulting from inadequate supervision. Although injuries to children may be unintentional, they can be prevented and should not be considered accidents, researchers say. ... > full story
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