Add BrightSurf on Google Email

Science News Archive June 2009 - Page 2


Page 2 of 26

The tiny difference in the genes of bacteria

Researchers developed a new diagnostic method using tandem repeats in bacterial genomes to distinguish between pathogens like Vibrio cholerae and Vibrio parahaemolyticus. This technique can identify hundreds of bacteria strains quickly and accurately, helping track disease outbreaks and inform preventive measures.

SourceHelmholtz Association·JournalApplied and Environmental Microbiology·DateJun 30, 2009

Composites for energy

Recent studies suggest tidal stream devices could supply up to 5% of the UK's electricity needs, offering a solution with minimal environmental impacts. Collaborative projects are developing more fatigue-resistant materials and improved design techniques for wind turbine blades and solar energy converters.

Gene expression findings a step toward better classification and treatment of juvenile arthritis

Scientists have identified gene expression patterns in children with juvenile idiopathic arthritis (JIA) that can help predict their disease outcome and guide treatment. These findings could lead to more precise classification of JIA subtypes and the development of individually tailored treatments.

Super-sleepers could help super-sizers!

A team of scientists has discovered that burrowing frogs can survive for years without food or water by changing their cell metabolism to maximize energy efficiency. This radical adaptation could have significant medical applications, particularly in treating energy-related disorders like obesity.

SourceSociety for Experimental Biology·JournalJournal of Experimental Biology·DateJun 29, 2009

First step to converting solar energy using 'artificial leaf'

Scientists at Leiden University have successfully developed an artificial leaf that can convert sunlight into fuel and clean energy. The breakthrough, which is the first step in creating an artificial photosynthesis system, involves modifying chlorophyll molecules to resemble the efficient light antennae of bacteria.

SourceLeiden University·JournalProceedings of the National Academy of Sciences·DateJun 29, 2009

GUMC study may help explain 'awakenings' that occur with popular sleep-aid Ambien

A new study by Georgetown University Medical Center researchers suggests that zolpidem, a powerful sedative, activates brain circuits when neural activity is silenced. This 'activation' occurs due to changes in inhibitory neurons responsible for stopping neural activity, allowing excitatory neurons to re-awaken.

SourceGeorgetown University Medical Center·JournalProceedings of the National Academy of Sciences·DateJun 29, 2009