ScienceDaily Top Science Headlines -- for Saturday, February 12, 2011

ScienceDaily Top Science Headlines

for Saturday, February 12, 2011

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New view of family life in the North American nebula (February 11, 2011) -- Stars at all stages of development, from dusty little tots to young adults, are on display in a new image from NASA's Spitzer Space Telescope. This cosmic community is called the North American nebula. In visible light, the region resembles the North American continent, with the most striking resemblance being the Gulf of Mexico. But in Spitzer's infrared view, the continent disappears. Instead, a swirling landscape of dust and young stars comes into view. ... > full story

New drug treatment possibilities for Alzheimer's (February 11, 2011) -- Scientists have made a discovery that has the potential for use in the early diagnosis and eventual treatment of plaque-related diseases such as Alzheimer's disease and type 2 diabetes. ... > full story

New way to attack pathogens: RNA recycling system gone awry brings MRSA to a halt (February 11, 2011) -- Scientists have discovered a new way to attack dangerous pathogens, marking a hopeful next step in the ever-escalating battle between man and microbe. By stopping bacteria's ability to degrade RNA -- a "housekeeping" process crucial to their ability to thrive -- scientists were able to stop methicillin-resistant Staphylococcus aureus or MRSA both in the laboratory and in infected mice. The approach shows promise against the most severe strains of the bacteria as well as MRSA biofilms. ... > full story

Experts urge even greater caution in use of X-rays during pregnancy and infancy (February 11, 2011) -- Clinicians should be careful about using X-rays on pregnant women and infants because of the potential for a slight increase in the risk of children developing cancer, concludes a new study. ... > full story

Livestock boom risks aggravating animal 'plagues,' poses threat to food security and world's poor (February 11, 2011) -- Increasing numbers of domestic livestock and more resource-intensive production methods are encouraging animal epidemics around the world, a problem that is particularly acute in developing countries, where livestock diseases present a growing threat to the food security of already vulnerable populations, according to new assessments. ... > full story

JPEG for the mind: How the brain compresses visual information (February 11, 2011) -- Scientists take the next step in next step in understanding how the brain compresses huge "files" of visual information down to the essentials. ... > full story

Quest for extinct giant rats leads scientists to ancient face carvings (February 11, 2011) -- Ancient stone faces carved into the walls of a well-known limestone cave in East Timor have been discovered by a team searching for fossils of extinct giant rats. ... > full story

Scientists combine targeted agents to kill multiple myeloma cells (February 11, 2011) -- Scientists have developed a novel treatment strategy for multiple myeloma that pairs two targeted agents to kill cancer cells. ... > full story

Root cause of blood vessel damage in diabetes discovered (February 11, 2011) -- Diabetes researchers have identified a key mechanism that appears to contribute to the blood vessel damage that occurs in people with diabetes. Blood vessel problems are a common diabetes complication. Many of the nearly 26 million Americans with the disease face the prospect of amputations, heart attack, stroke and vision loss because of damaged vessels. ... > full story

Reduced levels of an important neurotransmitter found in multiple sclerosis patients (February 11, 2011) -- Researchers show for the first time that damage to a particular area of the brain and a consequent reduction in noradrenaline are associated with multiple sclerosis. ... > full story

Identifying large hurricanes through seismology (February 11, 2011) -- Storm-generated seismic signals may allow seismologists to detect large hurricanes at sea and track their intensity, adding useful data to the discussion of whether anthropogenic global warming has increased the frequency and intensity of hurricanes and tropical storms, including ones that don't reach land. ... > full story

Young children choose to share prizes after working together (February 11, 2011) -- Grownups have a good sense of what's fair. Research now shows that this is true for young children, too. Three-year-old children shared with a peer after they worked together to earn a reward, even in situations where it would be easy for one child to keep all of the spoils for himself. ... > full story

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