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Tag: "explained" at biology news

Snoring in children might be an allergic type disease

...are limited to children with rhinitis, Dr Marshall explained the observed associations with risk factors could apply to the general population where previous studies have also found strong associations between allergic or inflammatory diseases and snoring. “Snoring can be an early manifestation of more ser...

Caribbean frogs started with a single, ancient voyage on a raft from South America

...f an entire continent or major geographic region," explained Penn State's Blair Hedges, the evolutionary biolog...ith the help of fossils and geologic information," explained Hedges. The study's DNA research revealed that, while many ocean dispersals may have occurred ove...

Brain holds clues to bipolar disorder

... many of the core symptoms of bipolar disorder and explained many other observations about the disease. The findings suggest a new avenue for treating the underlying cause of bipolar, rather than treating flare-ups of depression or mania, and also provide new targets, for improved medications many of which are...

Physicist cracks women's random but always lucky choice of X chromosome

...ersity of Warwick physicist Dr Mario Nicodemi have explained how this randomness occurs and why that it is bene...on to Dr Nicodemi’s research. So the randomness is explained but what about researchers’ other concerns" Dr Nicodemi believes the randomness actually does give a...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...even experience a net health benefit as a result,” explained McGraw, who studies the functions of naturally occurring chemicals in birds and their relationship to the birds’ colors and health. “In the case of the zebra finch, the cost is in the pigments – having enough of them to develop a red beak and eno...

Women well informed about breast cancer, yet lacking knowledge about current treatments

...take an active role in their treatment decisions,” explained Gary Frenette, MD PhD Medical Oncologist with Carolinas Medical Center. “With essential information, patients can work with their physicians to achieve the best possible outcomes in the management of their diagnosis.” Key questions Today, m...

454 sequencing identifies HIV drug resistance at early stage

...the 1% level lead to premature failure of therapy” explained Michael Kozal, M.D. the senior author on the study... enable the sensitive detection of rare mutations” explained Egholm Michael, Ph.D. vice president of research and development at 454 Life Sciences. “Ultra Deep ...

Potent possibilities for parasite attack

... similarity between these species was unexpected," explained Professor Deborah Smith, collaborator on this proj...ort-cut to a small number of largely novel genes," explained Dr Chris Peacock, first author on the report. "Given their lack of similarity to human genes, they p...

Electric fish conduct electric duets in aquatic courtship

...neural basis of pattern generation in these fish," explained Hopkins, noting that the next step in the research will be to decode the fish transmissions and unravel their meaning....

Surprising origin of cell's internal highways

...e Golgi has been suspected to function as an MTOC, explained Kaverina. However, conclusively demonstrating this was impossible before the advent of live-cell imaging techniques that could reveal the true origins of these structures. "The Golgi apparatus is very close to the centrosome," said Kaverina. "So ...

The mouflons of the Kerguelen archipelago

...se samples, and looked at specific genetic sites,“ explained Renaud Kaeuffer. “We expected that the genetic div...to have undergone migrations. “This variety can be explained by elimination, over the generations, of individuals with low genetic diversity. In small isolated p...

Helping chlorine-eating bacteria clean up toxic waste

...c-dump sites of its own to clean up. Richardson explained that in the field "the bacteria sometimes start and then stop. We might improve conditions for the organisms." For example, she said, it has been found that Dehalococcoides needs vitamin B-12, so the vitamin is added to cultures that are injected int...

Antarctic icebergs -- Hotspots of ocean life

... climate, scientists need access to all the data,” explained researcher John Helly of the San Diego Supercomputer Center (SDSC) at UC San Diego who managed the data. “And we need to reliably harvest this information at sea, thousands of miles from our shore-based labs, and to preserve it as a unique snapshot o...

New vaccine prevents CMV infection and disease in mice

...ho are sexually active, can pass along the virus,” explained Spector. “It becomes a serious problem in developing infants during the pregnancy or in those whose immune system is compromised, such as AIDS or transplant patients.” When a persistent virus such as CMV infects an individual, it disarms the hos...

Genome of Clostridium botulinum reveals the background to world's deadliest toxin

... that bacteria can make the most of animal hosts," explained Dr Julian Parkhill of the Wellcome Trust Sanger Institute. "Some organisms use subtle approaches, elegantly choreographing their interaction with us and our defences. "C. botulinum takes the opposite approach. It lies in wait and, if it gets the o...

Ants show us how to make super-highways

... sizes of pot hole. Indeed, they fit beautifully", explained Franks. Overall, this behaviour results in an increase in the average speed of prey-laden traffic. Moreover, calculations suggest that under a range of realistic scenarios, plugging behaviour results in a clear increase in daily prey intake. In o...

New research shows sharks use their noses and bodies to locate smells

...il of turbulent eddies flavored by its body odor," explained Atema. In an eight meter flume in the lab, Atema ...lateral lines intact or lesioned by streptomycin," explained Gardiner. According to the researchers, streptomycin, an antibiotic, interferes with the normal ...

Chronic fatigue syndrome impairs a person's slow wave activity during sleep

...rent depression. Therefore, our results cannot be explained on the basis of depression." Experts recommend that adults get between seven and eight hours of sleep each night to maintain good health and optimum performance. Persons who think they might have a sleep disorder are urged to consult with thei...

Climate change impacts stream life

...rs, with temperatures warming faster than could be explained by background variations. An ecological response to warming has also been clear." The study predicts that at the present rate the springtime abundance of macroinvertebrates in streams could decline by as much as 21 per cent for every 1 degree C...

Legal ruling may put endangered species in danger

...s ecological, philosophical and logical problems," explained Nelson, "The ESA is an act that codifies an ethic which asserts that species possess intrinsic value. This recent ruling attempts to undo a moral commitment made by the American people in 1973." "Congressional intent about the Act is clear," said ...

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