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News | Archive (19 January 2009) [Page 3]
Game of two halves leads to brain asymmetry
— 17:20 GMT | BiologyA tug-of-war between the two sides of the brain causes it to become asymmetrical, according to research published in the journal Neuron. Asymmetry in the brain is thought to be important to enable the two hemispheres to specialise and operate more efficiently…
'Window into the brain' reveals deadly secrets of malaria
— 17:20 GMT | HealthLooking at the retina in the eyes of patients with cerebral malaria has provided scientists with a vital insight into why malaria infection in the brain is so deadly. In a study funded by the Wellcome Trust and Fight for Sight and published today in the Journal of Infectious Diseases, researchers in Malawi have shown for the first time in patients that the build-up of infected blood cells in the narrow blood vessels of the brain leads to a potentially lethal lack of oxygen to the brain…
Energy-efficient water purification made possible by Yale engineers
— 17:20 GMT | EnvironmentWater and energy are two resources on which modern society depends. As demands for these increase, researchers look to alternative technologies that promise both sustainability and reduced environmental impact. Engineered osmosis holds a key to addressing both the global need for affordable clean water and inexpensive sustainable energy according to Yale researchers…
Scientists solved a mystery marine CO2 conundrum
— 17:20 GMT | EnvironmentAn international team of scientists has solved a mystery that has puzzled marine chemists for decades. They have discovered that fish contribute a significant fraction of the oceans' calcium carbonate production, which affects the delicate pH balance of seawater. The study gives a conservative estimate of three to 15 percent of marine calcium carbonate being produced by fish, but the researchers believe it could be up to three times higher…
Study links water pollution with declining male fertility
— 17:20 GMT | EnvironmentNew research strengthens the link between water pollution and rising male fertility problems. The study, by Brunel University, the Universities of Exeter and Reading and the Centre for Ecology and Hydrology, shows for the first time how a group of testosterone-blocking chemicals is finding its way into UK rivers, affecting wildlife and potentially humans. The research was supported by the Natural Environment Research Council and is now published in the journal Environmental Health Perspectives…
Spallation Neutron Source gets initial go-ahead on second target
— 17:20 GMT | TechnologyThe U.S. Department of Energy has given its initial approval to begin plans for a second target station for the Spallation Neutron Source, expanding what is already the world's most powerful pulsed neutron scattering facility located at DOE's Oak Ridge National Laboratory…
Researchers work out structure of TIGAR, a possible cancer flag
— 17:20 GMT | HealthTwo Brown University researchers have determined the three-dimensional structure of an enzyme whose presence in the body could help doctors detect cancer earlier or develop more targeted treatments…
African-Americans have worse prognosis at colorectal cancer diagnosis
— 17:20 GMT | HealthAfrican-American patients with colorectal were more likely to present with worse pathological features at diagnosis and to have a worse five-year survival rate compared to Caucasian patients, according to a study conducted by researchers at Thomas Jefferson University…
Molecular forklifts overcome obstacle to 'smart dust'
— 17:20 GMT | HealthAlgae is a livid green giveaway of nutrient pollution in a lake. Scientists would love to reproduce that action in tiny particles that would turn different colours if exposed to biological weapons, food spoilage or signs of poor health in the blood…
Arctic heats up more than other places
— 17:20 GMT | EnvironmentTemperature change in the Arctic is happening at a greater rate than other places in the Northern Hemisphere, and this is expected to continue in the future…
Black hole blows big bubble
R Coronae Australis: A cosmic water-colour