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News | Archive (3 September 2010)
Scientists unwrap DNA packaging to gain insight into cells
— 13:28 GMT | BiologyScientists have built a clearer picture of how lengthy strands of DNA are concertinaed when our cells grow and divide, in a discovery could help explain how cell renewal can go wrong…
Hubble observations of supernova reveal composition of 'star guts' pouring out
— 13:25 GMT | AstronomyObservations made with NASA's newly refurbished Hubble Space Telescope of a nearby supernova are allowing astronomers to measure the velocity and composition of 'star guts' being ejected into space following the explosion, according to a new study led by the University of Colorado at Boulder…
Why fish oils work swimmingly against diabetes
— 13:22 GMT | HealthResearchers at the University of California, San Diego School of Medicine have identified the molecular mechanism that makes omega-3 fatty acids so effective in reducing chronic inflammation and insulin resistance…
Head start for migraine sufferers
— 13:19 GMT | HealthFor severe migraine sufferers, psychological treatments build on the benefits of drug therapy, according to a new study by Elizabeth Seng and Dr Kenneth Holroyd from Ohio University in the US. Their comparison of the effects of various treatment combinations for severe migraine - drug therapy with or without behavioural management - shows that those patients receiving the behavioural management program alongside drug therapy are significantly more confident in their ability to use behavioural skills to effectively self-manage migraines. And surprisingly, the increase in confidence in self-management abilities is greatest among those who feel that they have very little control over their condition before treatment starts. Seng's and Holroyd's findings are published online in Springer's journal Annals of Behavioural Medicine…
Scientists find organic farms have higher quality fruit, better soil, lower environmental impact
— 13:16 GMT | EnvironmentSide-by-side comparisons of organic and conventional strawberry farms and their fruit found the organic farms produced more flavourful and nutritious berries while leaving the soil healthier and more genetically diverse…
Models suggest treatments for fractures that won't heal
— 13:13 GMT | HealthNew models, reinforced by in vivo experimentation, show why 5-10% of bone fractures don't heal properly, and how these cases may be treated to restart the healing process. Results of the model, published September 2 in the open-access journal PLoS Computational Biology, may benefit the ageing population in which the occurrence of bone fractures is expected to rise substantially in the near future…
New model may simplify high-dose radiosurgery planning
— 13:10 GMT | HealthThere is yet no straightforward way to determine the optimal dose level and treatment schedules for high-dose radiation therapies such as stereotactic radiation therapy, used to treat brain and lung cancer, or for high-dose brachytherapy for prostate and other cancers…
Researchers create new class of piezoelectric logic devices using zinc oxide nanowires
— 13:07 GMT | TechnologyResearchers at the Georgia Institute of Technology have developed a new class of electronic logic device in which current is switched by an electric field generated by the application of mechanical strain to zinc oxide nanowires…
Low grades in adolescence linked to dopamine genes
— 13:04 GMT | HealthThe academic performance of adolescents will suffer in at least one of four key subjects - English, math, science, history - if their DNA contains one or more of three specific dopamine gene variations, according to a study led by renowned biosocial criminologist Kevin M. Beaver of The Florida State University…
The secret to fish oil's anti-inflammatory properties
— 13:01 GMT | HealthFish oil is touted for its anti-inflammatory and anti-diabetic benefits, but scientist weren't sure how the omega-3 fatty acids in fish oil work. Now, according to a report in the September 3rd issue of the journal Cell, scientists have nailed how omega-3 fatty acids both shut down inflammation and reverse diabetes in obese mice…
Sequences capture the code of the common cold
Strong winds over the Keel