Tag: "bed" at biology news

See what you're spewing as you speed along

...d by a Rover K-series car engine mounted on a test bed but they have also taken the process outside the laboratory and measured exhaust emissions in passing vehicles. Components handling the high sensitivity and robustness required to apply this approach in the real world are only now becoming availab...

Altering a protein makes mice less fearful

...ses, including the amygdala and an area called the bed nucleus of the stria terminalis (BNST), which is thought to be particularly important for innate fear behaviors. The study also shows that mice without ASIC1a have altered neuronal activity in these fear circuit structures. The researchers speculat...

Prenatal stress keeps infants, toddlers up at night, study says

...lems, such as having nightmares, refusing to go to bed or having trouble falling asleep. Surprisingly, babies born to mothers classified as anxious or depressed while pregnant dozed just as long as their unstressed-pregnancy counterparts about 12 hours. However, this sleep was less sweet; children b...

Key to tackling malaria may lie in bed nets for adults and older children

...older children and adults with insecticide-treated bed nets may be an effective way to combat malaria, a ...national guidelines recommend providing subsidised bed nets for young children and pregnant women in order to achieve over 80% coverage in these high-risk ...

Invertebrate immune systems are anything but simple, conference finds

...ies, mosquitoes and other invertebrates (including bed bugs, moths, crustaceans, worms, sponges and bees), scientists are finding new molecules involved in defences against pathogens (microbes that cause disease). One molecule found in fruit flies, Dscam, is capable of folding itself in 18,000 differe...

DOE JGI sets 'gold standard' for metagenomic data analysis

...structed by the authors provide a much-needed test bed for evaluation and comparisons of these tools. Their findings will no doubt have a very significant impact on the field of metagenomics in general. It will help groups like mine to choose efficient strategies for the development of automated methods...

Better risk management could cut MRSA infection rates

...n rates. Institutions with the highest number of bed days for riskier treatments, particularly surgery ...A infection rates, hospital size and mix of cases, bed utilisation rates and risk management levels. They found that the introduction of higher risk manage...

Female ticks have market on gluttony

...n the weight gain. Using mosquitoes, tsetse flies, bed bugs and kissing bugs as comparison, Kaufman found that no one compared to this female African tick when it came to weight gain following mating. Kaufman suggests that the ixodid tick displays a significant difference in lifestyle from the other i...

Study shows hibernating bears conserve more muscle strength than humans on bed rest do

...uch skeletal muscle strength as humans confined to bed rest for similar periods of time do. "Fasting, u...parison, humans on a balanced diet but confined to bed for 90 days have been reported to lose 54% of their strength. Other studies have shown that human as...

New study sheds light on long-term effects of logging after wildfire

...els. This is because other components of the fuel bed (grasses and shrubs) would contribute significantl.... It is also important to consider the whole fuel bed when thinking about fire hazard in the future." Model projections indicated that large fuels will ...

Hard as nails!

...%, which is the natural humidity of the fingernail bed in which the nail sits at the ends of our fingers. The bed supplies water at this humidity to the underside of the nail giving it maximum toughness and stoppin...

Antarctic marine explorers reveal first biological changes after collapse of polar ice shelves

...ver and the iceberg's mechanical action on the sea bed seem to determine the characteristics of some key planktonic and benthic communities. In a changing environment, the results of the CAML efforts are key to advancing our ability to understand our biosphere, inform public debate and allow decision-mak...

New analyses reinforce efficacy of Remicade in treatment of severe psoriasis

...n significant improvements in nail matrix and nail bed signs of the disease, as measured by the NAPSI sco...10 weeks. The NAPSI scoring system evaluates nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail unit and assesses eight chara...

In many habitats, competition is the drama, but benefactors set the stage

...les waves and provides shade. Within the cordgrass bed community, ribbed mussels further enhance physical conditions and densities of other species (e.g., amphipods, barnacles) by providing crevice space and hard substrate. "The stage is set by those species that create habitat," said team leader Andr...

Porous Media and its Applications in Science, Engineering and Industry

...lve the passage of a fluid stream through a packed bed of particulate solids to obtain extended solid flu... mass transfer governing the process in the packed bed arrangement. Considerable attention has been paid to the aforementioned aspects because of their dir...

40,000-year-old skull shows both modern human and Neandertal traits

...amed Oase 2 were found in a Late Pleistocene bone bed principally containing the remains of cave bears. They were recovered during a systematic excavation project directed by Professor Trinkaus and Professor Zilhao between 2003 and 2005. Radiocarbon dating of the specimen produced only a minimum age (...

Rural America more prepared for disaster -- also more vulnerable

... we need bandages, we'll just start ripping up old bed sheets." "Farm families have to keep going," said Flint. "They may have livestock. They can't wait for someone to flip the switch. They are more prepared for disaster. They have generators, kerosene heaters, snow plows and other equipment." Tornado...

Gene that makes people 'early to bed and early to rise' demystified

...t a mutant "clock" gene made some people "early to bed and early to rise," a condition known as familial advanced sleep phase syndrome (FASPS), offered one of the first glimpses into the genetic basis of sleep in humans. Now, researchers report in the Jan. 12, 2007 issue of the journal Cell, published by...

'Marathon mice' elucidate little-known muscle type

...physical mobility, including paraplegia, prolonged bed rest, and muscular dystrophies, involve a loss of oxidative fibers and their replacement with glycolytic fibers. This, in turn, results in a further loss of resistance to fatigue, exacerbating the patient's condition in a downward spiral. The identif...

Deaths of severely malnourished children: identifying those most at risk

...pillary refilling time (i.e. pressing a fingernail bed to blanch the finger, releasing it, and observing the time taken to recolor the nailbed). The researchers proposed that these findings (together with a number of other features that were associated with the later deaths) could be used to identify thr...

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