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Tag: "assessment" at biology news

The insect vector always bites twice

...bites, which could in the long term allow improved assessment of the risk of transmission of these diseases in a given region. In Senegal the rate of antisalivary antibodies against Anopheles in young children (under 5 years), the population most exposed to the risk of malaria, appeared to be proportional to...

Envisat captures first image of Sargassum from space

... maximum chlorophyll index (MCI) which provides an assessment of the amount of chlorophyll in vegetation to produce detailed images of chlorophyll per unit area. MERIS is uniquely suited for this because it provides images of above-atmosphere spectral radiance in 15 bands, including three bands at wavelengths o...

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

...er causes such as climate change. A recent global assessment of amphibians found that the Caribbean Islands have the highest proportion of amphibian species threatened with extinction. Hedges and coauthor William Duellman, a professor emeritus of the University of Kansas, were involved in much of the field wo...

Longer treatment benefits sleep apnea patients

...ssive daytime sleepiness using two widely accepted assessment tools, and for daytime functioning using a standardized test before treatment and after three months of CPAP therapy. The findings suggest that most patients should use CPAP for at least 7.5 hours each night to realize the greatest possible benefits...

Undergraduate research shows leaderless honeybee organizing

.... Instead, critical strategic choices, such as the assessment that it is time to divide the colony and swarm, appear to be decided by the dynamics of the group itself. Social interactions, environmental pressures or group dynamics in some still-unknown way initiate a string of behaviors that effectively manage ...

Researchers use MRI to predict recovery after spinal cord injury

...predicted within 48 hours after injury by rigorous assessment of MR images," said co-author Michael G. Fehlings, M.D., Ph.D., F.R.C.S.C., professor of neurosurgery at the University of Toronto and medical director at the Krembil Neuroscience Centre at Toronto Western Hospital. "In addition," Dr. Fehlings said, ...

Cancer patients monitor fatigue in real time

... acutely ill cancer patients. Ecological momentary assessment holds substantial promise for investigating fatigue and other cancer symptoms, she said. ...

New knowledge improves rice quality

...g new areas such as metabolomics (the whole-genome assessment of metabolites), we can do things now that we could only dream about before." During the workshop, the latest research was presented in several new areas, including Breeding for better quality and genetically mapping specific quali...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...says Halfar, there have been no independent impact assessment studies of the proposed massive sulphide mining sites. "Over 250 active and fossil deposits have already been found. And the company operating in Papua New Guinea has already staked claims off the coast of Tonga and Fiji," he says. "If this first att...

3-D ultrasound identifies women at risk for impending preterm birth

...e studies to confirm that 3-dimensional ultrasound assessment of the fetal adrenal gland volume can assist clinicians with devising better therapeutic and preventive interventions for preterm birth....

New recommendations against a major opportunistic infection -- cryptococcosis

...cryptococcosis has been established should have an assessment of their fungal load to evaluate the severity of t.... According to the researchers, this systematic assessment should include a cerebrospinal fluid culture, a blood culture, a urine culture, and a determination ...

Robotic therapy helps restore hand use after stroke

...s less disabled on a standard occupational therapy assessment tool called the Fugl-Meyer score. __IMAGE_3 "Assessing changes in before-and-after scores within each subject, these were highly significant gains after three weeks of therapy," Cramer said. The UCI team is now using what they learned from st...

Warming oceans threaten Antarctic glaciers

...y of Edinburgh’s School of GeoSciences, said: "Our assessment confirms that just one type of glacier in Antarctica is retreating today ?those that are seated in deep submarine basins and flow directly into the oceans. These glaciers are vulnerable to small changes in ocean temperature, such as those that have o...

Termites get the vibe on what tastes good

...results demonstrate that termites' methods of food assessment are much more sophisticated that previously though...re designing further experiments to test termites' assessment methods in an attempt to determine precisely what aspect of the vibrations termites are responding t...

Twenty of world's 162 grouper species threatened with extinction

The first comprehensive assessment of the world’s 162 species of grouper, a culinary ...ion (IUCN) as under extinction threat, and the new assessment proposes adding 12 more. A panel of 20 experts from 10 nations determined the extinction threat fac...

Living with water scarcity -- world must act now

...orld into the most comprehensive and authoritative assessment of water and food ever written, critically examini...lancing the water-food-environment needs The assessment finds that 1/3 of the world’s population live in areas where water scarcity must be reckoned with. ...

How to manage forests in hurricane impact zones

... be taken after a major event. These include rapid assessment of damage, protection of timber resources and recovery of value, management of second order events such as wildfire, protection of other resources such as endangered plants and animals, and best practices for proceeding with salvage. "Stands with...

New measure of sexual arousal found for both men and women

...rapy.com ). "This is a huge breakthrough in the assessment of genital blood flow research in women's sexual health," observed Irwin Goldstein, Editor-in-Chief of The Journal of Sexual Medicine. "Previous testing was invasive and involved placement of measuring instruments in various locations in the genital ...

Fish growth changes enhanced by climate change

...t faster than at the beginning of the period under assessment in the mid-1950s. By comparison, juvenile oreos, a species found at depths of around 1,000 metres, were growing 27.9 per cent slower than in the 1860s. There was no or little change in the growth rates of species found between 500 and 1,000 metres. ...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...and inflammation. On a relative scale of 0-4, the assessment produced mean scores of 1.6 for the SD group, 3.2 for the HC group, and 1.2 for the HCR group. The researchers also found that the livers of mice at 18 months of age on the HC diet were greatly increased in size and weight. Liver tissue studies of...

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