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News | Archive (20 June 2009)
Biofuel could lighten jet fuel's carbon footprint over 80 percent
— 14:39 GMT | EnvironmentThe seeds of a lowly weed could cut jet fuel's cradle-to-grave carbon emissions by 84 percent…
Patients with lower urinary tract symptoms more likely to suffer from metabolic syndrome
— 14:34 GMT | HealthResearchers have determined that individuals with mild to severe symptoms of lower urinary tract symptoms (LUTS) are more likely to suffer from metabolic syndrome (MetS), a collection of cardiovascular risk factors thought to be linked by insulin resistance). LUTS encompass voiding (incomplete emptying, weak stream, intermittency, straining) and storage (frequency, urgency, nocturia) difficulties…
Troubled waters: Low Apalachicola River flow may hurt gulf fisheries
— 14:29 GMT | EnvironmentReductions in the flow of the Apalachicola River have far-reaching effects that could prove detrimental to grouper and other reef fish populations in the northeastern Gulf of Mexico, according to a new Florida State University study that may provide new ammunition for states engaged in a nearly two-decade water war…
Important symbol of pollution is broken down by microbes
— 14:24 GMT | EnvironmentImmobilised microbes can break down potentially harmful phthalates, according to researchers in China, writing in the International Journal of Environment and Pollution. The microbes might be used to treat industrial waste water and so prevent these materials from entering the environment…
Athletes, spectators faced unprecedented air pollution at 2008 Olympic Games
— 14:19 GMT | EnvironmentParticulate air pollution during the 2008 Olympic Games in Beijing constantly exceeded levels considered excessive by the World Health Organisation, was far worse than other recent Olympic Games, and was about 30 percent higher than has been reported by Chinese environmental experts - even though some favourable weather conditions helped reduce the problem…
Research explores interactions between nanomaterials, biological systems
— 14:14 GMT | TechnologyThe recent explosion in the development of nanomaterials with enhanced performance characteristics for use in commercial and medical applications has increased the likelihood of people coming into direct contact with these materials…
BRIT1 allows DNA repair teams access to damaged sites
— 14:09 GMT | HealthLike a mechanic popping the hood of a car to get at a faulty engine, a tumour-suppressing protein allows cellular repair mechanisms to pounce on damaged DNA by overcoming a barrier to DNA access…
Scientists explore how cells reconcile mixed messages in decisions about growth
— 14:04 GMT | HealthThe cells in our body are constantly receiving mixed messages. For instance, an epithelial cell might be exposed to one signal telling it to divide and, simultaneously, another telling it to stop dividing. Understanding the process by which these competing environmental cues are reconciled - as well as understanding the cues themselves - might allow bioengineers to promote tissue growth when and where it's needed, and to discourage it when and where it's not…
Herschel's daring test: A glimpse of things to come
— 13:59 GMT | AstronomyHerschel opened its 'eyes' on 14 June and the Photoconductor Array Camera and Spectrometer obtained images of M51, 'the whirlpool galaxy' for a first test observation. Scientists obtained images in three colours from the observation, which clearly demonstrate the superiority of Herschel, the largest infrared space telescope ever flown…
Study finds that tobacco companies changed design of cigarettes without alerting smokers
— 13:54 GMT | HealthAs President Obama prepares to sign a bill giving the Food and Drug Administration (FDA) oversight of the tobacco industry, a new study from Harvard School of Public Health (HSPH) researchers shows that tobacco manufacturers have continually changed the ingredients and the design of their cigarettes over time, even if those changes have exceeded acceptable product variance guidelines. The result, say the researchers, is that consumers who buy the same brand of product are not made aware of how that product has been altered and what effect those alterations might have on their levels of addiction or harm…
Oil spill in the Gulf of Mexico nears the coast
Mars rover sees distant crater rims on horizon