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News | Archive (23 September 2010)
70 percent of women likely to experience sexual problems after breast cancer
— 10:42 GMT | HealthA new study published in the Journal of Sexual Medicine looked at whether women were more likely to experience sexual problems after breast cancer. The results showed that 70% of women were facing sexual function problems approximately two years post diagnosis…
The strength of Venus lightning sparkles interest in the scientific community
— 10:39 GMT | AstronomyDespite the great differences between the atmospheres of Venus and Earth, scientists have discovered that very similar mechanisms produce lightning on the two planets. The rates of discharge, the intensity and the spatial distribution of lightning are comparable, thus scientists hope to be able to better understand the chemistry, dynamics and evolution of the atmospheres of the two planets. These results will be presented by Dr Christopher Russell at the European Planetary Science Congress, on Thursday 23d September…
The many faces of the Venus' polar vortex
— 10:36 GMT | AstronomyA new animation using data from ESA's Venus Express spacecraft shows that the double eye of the giant vortex at Venus's South pole has disappeared. Results of a study that shows the complex, variable dynamics at the Venusian south pole will be presented by Dr Giuseppe Piccioni at the European Planetary Science Congress, on Thursday 23rd September…
Humanised mice may provide clues to better prevent and treat typhoid fever
— 10:33 GMT | HealthBetter treatments and prevention for typhoid fever may emerge from a laboratory model that has just been developed for the disease. The model is based on transplanting human immune stem cells from umbilical cord blood into mice that are susceptible to infections…
Microbiologists find source of fungus's damaging growth
— 10:30 GMT | HealthCandida albicans, a fungus that kills more than 10,000 people with weakened immune systems each year, grows more dangerous as it forms and extends long strands of cells called hyphal filaments. In a paper published this month, UT Health Science Centre San Antonio microbiologists describe a key factor involved in this damaging growth…
Human-powered ornithopter becomes first ever to achieve sustained flight
— 10:27 GMT | TechnologyAviation history was made when the University of Toronto's human-powered aircraft with flapping wings became the first of its kind to fly continuously…
Study: Doctors overprescribe antibiotics for respiratory infections
— 10:24 GMT | HealthDoctors frequently misuse antibiotics when treating patients hospitalised with respiratory tract infections (RTIs), according to a study to be published in the November issue of Infection Control and Hospital Epidemiology…
Salmonella creates environment in human intestines to foster its own growth
— 10:21 GMT | HealthA study led by researchers at UC Davis has found how the bacteria Salmonella enterica - a common cause of food poisoning - exploits immune response in the human gut to enhance its own reproductive and transmission success. The strategy gives Salmonella a growth advantage over the beneficial bacteria that normally are present in the intestinal tract and promotes the severe diarrhoea that spreads the bacteria to other people…
New species of sea slug discovered by UCSB marine scientist
— 10:18 GMT | BiologySometimes, treasures can be found in your own backyard - especially if you know what to look for. This is what happened to Jeff Goddard, project scientist with the Marine Science Institute at UC Santa Barbara…
New computer-tomography method visualises nano-structure of bones
— 10:15 GMT | HealthA novel nano-tomography method developed by a team of researchers from the Technische Universitaet Muenchen, the Paul Scherrer Institute and the ETH-Zurich opens the door to computed tomography examinations of minute structures at nanometre resolutions. Three-dimensional detailed imaging of fragile bone structures becomes possible. Their first nano-CT images will be published in Nature on Sept. 23, 2010. This new technique will facilitate advances in both life sciences and materials sciences…
Cave records provide clues to climate change
Rare albino ratfish has eerie, silvery sheen