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Tag: "reason" at biology news

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...roblematic sleep is notable; it may be part of the reason why mood-disturbed pregnancies are linked to childrens behavioral disorders, like depression, hyperactivity and anxiety, later on down the road, OConnor said. It remains to be seen if the sleep problems we witnessed may play an active, causal role in...

St. Jude study solves mystery of mammalian ears

...nd in mammals, this would mean that prestin is the reason mammals amplify sound so efficiently,” Zuo said. In the current study, Zuo and his team conducted a complex series of studies that showed in mammals that the role of somatic mobility driven by prestin is not simply to modify the response of the out...

Threats to wild tigers growing

...oss and fragmentation, is believed to be the chief reason for the losses. The assessment, by Eric Dinerstein of the World Wildlife Fund and 15 coauthors, describes the wild tiger's population trajectory as "catastrophic" and urges international cooperation to ensure the animal's continued existence in the w...

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...tudy) are associated with genes. “It stands to reason that mutations could also interfere with genes, bu... after their child is born, this represents a good reason to quit well in advance of trying to conceive.” Among the next steps in gaining a better understa...

Loss of stem cells correlates with premature aging in animal study

... in the inaugural issue of Cell Stem Cell. “The reason we’re seeing the early signs of aging in these mice is that we’re exhausting their ability to renew tissues,” says Eric J. Brown, PhD, Assistant Professor of Cancer Biology. “We believe these findings may be helpful to the aging and oncology fields s...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...rs age 16 to 37 who need the tissue taken for some reason other than cancer, such as a hysterectomy for beni...ives and starts making proper connections. “The reason for using ovaries is when you have cancer, if you need chemotherapy, you often don’t have time to go...

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

...this randomness and have sought a clear scientific reason as to why one X chromosome was switched off rather than the other. The observations also seem to run counter to the usual idea that the biological mechanisms evolve in ways that allow a "best" choice to be made between things rather than a random one...

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

...ad nausea and try to get mates,” said McGraw. “The reason typically is that long tails and fancy dances incur costs. Testosterone, for example, has been thought of as a double-edged sword as it relates to sexual signals, because it enhances trait production but comes at a health price to the animal.” “Th...

In nature, proteins sweep up nanoparticles

...al nanoparticles in natural environments, which is reason enough to explore it further. “If we understand what causes nanoparticles to aggregate, we have the potential to control their mobility in the subsurface by adding constituents that drive aggregation,” says Banfield. The scientists also sought ...

Research finds that circadian rhythms dominate all life functions

...with the others," said Ptitsyn. That is one likely reason why researchers previously missed the impact of circadian rhythm on all genes. Depending upon environmental factors, groups of genes can function in a synchronized manner, shifting in time against each other and working in what resembles a domino e...

The kapok connection -- Study explains rainforest similarities

...d which of several possible scenarios could be the reason for the current distribution of Ceiba pentandra. Dick concluded that extreme long distance travel by wind or ocean currents explains how the trees spread from South America to Africa. He plans to continue investigating the role of oceanic dispersa...

Children of smokers have more than 5 times higher levels of a nicotine toxin

...tor for cot death and the authors suggest that one reason for this could be inhalation of, or closeness to clothing or other objects contaminated with, smoke particles during sleep. Nearly 40% of under-fives are believed to be exposed to tobacco smoke at home, and smoke may be responsible for up to 6,00...

Male circumcision overstated as prevention tool against AIDS

...e continent. Talbott’s new study suggests that the reason is that Africa as a whole has four times as many p...ssion rates alone cannot control the epidemic. The reason is that individuals in highly infected countries have multiple contacts with the infected so reducin...

Putting feelings into words produces therapeutic effects in the brain

...on, and suggest, for the first time, an underlying reason why mindfulness meditation programs improve mood a...gs, we have shown there is actually a neurological reason for doing mindfulness meditation. Our findings are consistent with what mindfulness meditation teach...

Focused ultrasound relieves fibroid symptoms in women

...ealth Information Center, fibroids are the primary reason for surgical removal of the uterus, accounting for approximately one-third of hysterectomies performed annually in the U.S. MRgFUS represents a noninvasive, outpatient alternative to hysterectomy. "This treatment is ideal for older women who hav...

Protein enables discovery of quantum effect in photosynthesis

...actually works, and misses a crucial aspect of the reason for the wonderful efficiency." The taco shell is a sort of "middleman" in the antenna system, sandwiched in between a larger antenna and a molecule called the Reaction Center, where all the chemistry in energy transfer takes place, said Blankensh...

pHLIP, a novel technology to locate and treat tumors

...technology? “Our discovery is an example of the reason that the NIH and DOD support basic science—we were working on the principles of membrane protein folding, and made a discovery with important medical implications that wouldn’t have happened without the ideas and approaches used in that work,?Engelma...

Maggots rid patients of MRSA

...ed to see such a good result for MRSA. There is no reason this cannot be applied to many other areas of the body, except perhaps a large abdominal wound." Professor Boulton and his team, including senior nurse Ann Knowles, have used maggots to treat diabetic foot ulcers of patients attending the Manchest...

Sleepless for science: Flies show link between sleep, immune system in Stanford study

...tested in the current study. "We think that is the reason flies do this," said Schneider, "but sometimes it's a good thing, sometimes it's a bad thing." Building on their findings, they can begin to answer these questions. Shirasu-Hiza will be testing mutant flies with other circadian rhythm genes missin...

Study shows dramatic increase in Caesarean sections

...that maternal request is now the fifth most common reason for performing a caesarean section." Dr Pennell said that despite improvements in surgical and anaesthetic techniques, a number of studies show that caesarean sections are still associated with an increased risk of maternal and infant death and h...

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(Date:4/17/2014)... painted a stark warning on the possible effects of ... effect 32 times that of carbon dioxide. Now a ... act as fully regenerable electron acceptors which helps explain ... instead of being released to the atmosphere. However, there ... may enter into a vicious cycle to release large ...
(Date:4/17/2014)... full of wild animals and plant life, but there,s ... churning away in the soil, decomposing organic matter and ... role these fungi play in ecological systems, their identities ... scientists has generated a genetic map of more than ... was published this week in the Proceedings of ...
(Date:4/16/2014)... legal, artisanal green sea turtle fishery has uncovered a ... in what may have become an unsustainable take, according ... University of Florida. , During the research period, conservation ... killed between 1991 and 2011, with catch rates peaking ...
Breaking Biology News(10 mins):Methane climate change risk suggested by proof of redox cycling of humic substances 2Stanford biologists help solve fungal mysteries 2Stanford biologists help solve fungal mysteries 3Declining catch rates in Caribbean green turtle fishery may be result of overfishing 2Declining catch rates in Caribbean green turtle fishery may be result of overfishing 3
(Date:4/18/2014)... of your worst memories? How did it make you ... a negative personal experience, such as how sad you ... emotional distress, especially when you can,t stop thinking about ... thinking about the context of the memories, rather than ... way to alleviate the negative effects of these memories, ...
(Date:4/18/2014)... available in French . ... practice and regenerative medicine. A team led by Ludwik ... Paris Tech) and Didier Letourneur from the Laboratoire Recherche ... just demonstrated that the principle of adhesion by aqueous ... repair soft-tissue organs and tissues. This easy-to-use gluing method ...
(Date:4/17/2014)... first genetic variant specifically associated with the risk ... 10-15 per cent of all breast cancer cases. ... cancer sub-type, called invasive lobular carcinoma, gives researchers ... particular kind of breast cancer, which can be ... (Thursday) in the journal PloS Genetics , ...
(Date:4/17/2014)... the April issue of Experimental Biology and ... Drs. Rex Gaskins and Paul Kenis in the ... of the University of Illinois Urbana-Champaign describe their ... reactions underlie a variety of cell functions including ... these crucial roles in regulating normal cellular behavior, ...
(Date:4/17/2014)... Children,s Hospital Pediatrician-in-Chief Jon McCullers, MD, was recently ... issue of Nature Reviews Microbiology , one ... McCullers, a world-renowned infectious disease specialist, and chair ... of Tennessee Health Science Center, analyzed the epidemiology ... and 1968 pandemics, as well as more recent ...
Breaking Medicine News(10 mins):Health News:New study suggests a better way to deal with bad memories 2Health News:New study suggests a better way to deal with bad memories 3Health News:Innovative strategy to facilitate organ repair 2Health News:Innovative strategy to facilitate organ repair 3Health News:First genetic link discovered to difficult-to-diagnose breast cancer sub-type 2Health News:First genetic link discovered to difficult-to-diagnose breast cancer sub-type 3Health News:Live cell imaging reveals distinct alterations of subcellular glutathione potentials 2
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