Brightsurf Science News & Current Events

December 31, 2012
Hydrogen peroxide vapor enhances hospital disinfection of superbugs
Infection control experts at The Johns Hopkins Hospital have found that a combination of robot-like devices that disperse a bleaching agent into the air and then detoxify the disinfecting chemical are highly effective at killing and preventing the spread of multiple-drug-resistant bacteria, or so-called hospital superbugs.

Jackson Laboratory researchers provide definitive proof for receptor's role in synapse development
Jackson Laboratory researchers led by associate professor Zhong-wei Zhang, Ph.D., have provided direct evidence that a specific neurotransmitter receptor is vital to the process of pruning synapses in the brains of newborn mammals.

NASA satellites saw Cyclone Freda's widening eye
Tropical Cyclone Freda intensified over the last couple of days in the warm waters of the Southern Pacific Ocean, and NASA's TRMM and Aqua satellites measured the rainfall within the storm, and noticed the eye grew larger.

Paired CT scans catch chemo-killing of liver tumors in real time
Using two successive pairs of specialized CT scans, a team of Johns Hopkins and Dutch radiologists has produced real-time images of liver tumors dying from direct injection of anticancer drugs into the tumors and their surrounding blood vessels.

Annals of Internal Medicine tip sheet for 1 Jan. 2013
Below is information about articles being published in the Jan.

Economic environment during infancy linked with substance use, delinquent behavior in adolescence
The larger economic environment during infancy may be associated with subsequent substance use and delinquent behavior during adolescence.

Bird watching brings new discoveries
In recent years, bird watching has become a new fashion of entertainment in China.

Late-life depression associated with prevalent mild cognitive impairment, increased risk of dementia
Depression in a group of Medicare recipients ages 65 years and older appears to be associated with prevalent mild cognitive impairment and an increased risk of dementia.

Did Lucy walk, climb, or both?
Dartmouth researchers investigate tree-climbing behavior of modern hunter-gatherers to elucidate our fossil ancestors' terrestrial versus arboreal preferences.

Houston, we have another problem
As if space travel was not already filled with enough dangers, a new study out today in the journal PLOS ONE shows that cosmic radiation -- which would bombard astronauts on deep space missions to places like Mars -- could accelerate the onset of Alzheimer's disease.

Jellyfish experts show increased blooms are a consequence of periodic global fluctuations
Scientists have cast doubt on the widely held perception that there has been a global increase in jellyfish.

Differences in generic pill characteristics may lead to interruptions in essential medication use
Researchers from Brigham and Women's Hospital have found that some patients who receive generic drugs that vary in their color are over 50 percent more likely to stop taking the drug, leading to potentially important and potentially adverse clinical effects.

As climate warms, bark beetles march on high-elevation forests
In a report published Dec. 31, 2012, in the Proceedings of the National Academy of Sciences, a team of scientists from the University of Wisconsin-Madison reports a rising threat to the whitebark pine forests of the northern Rocky Mountains as native mountain pine beetles climb ever higher, attacking trees that have not evolved strong defenses to stop them.
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