Tag: "problem" at biology news

Can exercise before diving prevent decompression sickness?

... and blood. The most common decompression related problem in sports divers is injury of the central nervous system, the risk of which is higher with increasing number of bubbles. Preventive measures to reduce the risk of decompression sickness include breathing oxygen and reducing decompression speed. Fol...

Research suggests new way to repair cartilage damage

... advance offers a potential solution for a central problem in generating new cartilage: providing a support for cartilage cells as they regenerate cartilage tissue. In tests on rabbits, Lori Setton, associate professor of biomedical engineering at Duke's Pratt School of Engineering, and her research team st...

Duke study gives first worldwide measure of sea turtle casualties by longline fishing

...le bycatch, but nothing global prior to this." The problem was particularly acute in the Pacific Ocean, found the researchers. In fact, more turtles "are killed than nest in the Pacific," Crowder told a February symposium on marine animal conservation at the American Association for the Advancement of Scienc...

UVa researchers describe method of protecting chromosomes during cell division

...wever, the cell is faced with a monumental sorting problem since all chromosomes look alike. So, nature has devised a solution microtubules from one side of the cell must bind one chromatid, while microtubules from the other side bind the other. The cell then uses these microtubule connections to pull the t...

Aquatic scientists divided on role of sea lice from salmon farms in decline of native salmon in B.C.

...om environmentalists who believed that there was a problem with sea lice on the farms. Although this wasn't b...scientists have said to me that they expected this problem to arise on the Pacific coast and that we will have good years for sea lice and bad years, but in th...

Rb protein's role in retina development is key to understanding devastating eye cancer

...ypes of cells. One way the researchers solved the problem of embryos dying from lack of Rb was by taking advantage of the fact that the retina is still developing in newborn mice. The team used a virus to insert a gene for E1A--a protein that inactivates Rb--into newborn mice. The retinas in these newborn m...

Should publicly funded research be free and available to the public?

...am and since it is linked to circulation, that's a problem for us. We also have to cover all fields of science, not just biomedicine. The author-pays model is plausible there, since National Institutes of Health (NIH) or Howard Hughes grants can easily cover the charge. In less populated and well-supported f...

PNNL recognized for commercializing technologies

... and materials. Spectral interferences are a major problem in many analytical techniques. They cloud the certainty of results and limit the ability of analysts to determine very low levels of substances. New techniques and technologies that can reduce or eliminate such interferences always extend the power a...

Teens and young adults the new frontier in cancer says US cancer specialist

...ths because they were too embarrassed to bring the problem to anyone's attention," he said. Too few young adults receive routine medical care. In the US, young adults and older adolescents had the lowest rate of primary care use of any age group. Also in the US, young adults were the least insured and...

Using soils as filters to prevent 'crypto' from moving to the groundwater

...tbreaks have occurred in the U.S., the most severe problem is in Africa where both the sanitary conditions are poor and a significant portion of the population has HIV. It is especially dangerous for people with a compromised immune system because it can lead to severe diarrhea and lethal dehydration. the mo...

New 'Understanding Evolution' Web site provides one-stop-shop for nation's science teachers

..., including lesson plans about bunny breeding, the problem of antibiotic resistance in disease organisms, and the conservation and breeding of endangered species. "To understand why we have to get a yearly flu shot, or why we need to manage rainbow trout and steelhead populations together, you have to unders...

World's first databank for all living systems

...e life sciences and to organize them to facilitate problem solving, discovery and education." To enable this rapid exploration of data and comprehensive mathematical modeling of life on Earth, data structures and query languages will be created, guided by a think tank of Cornell researchers -- in time to inc...

Capturing cell protein production in action could help fight antibiotic resistance

...y structural biologists' toolkit. It overcomes the problem of weak image contrast in electron microscopy and ... biological material. To overcome this degradation problem researchers use a low dose of radiation, which leads to extremely poor image quality. "It's like try...

UCSB discovery may accelerate new treatment for global health problem

...ing schistosome infection, a serious global health problem that afflicts more than 200 million people annually in developing nations. An estimated 200,000 people, many of them older children, die every year from schistosomiasis. Many more suffer chronic damage to vital organs, including the liver and bladd...

UC Santa Barbara donates discovery to OneWorld Health that may speed disease treatment

...ing schistosome infection, a serious global health problem that afflicts more than 200 million people annually in developing nations. An estimated 200,000 people, many of them older children, die every year from schistosomiasis. Many more suffer chronic damage to vital organs, including the liver and bladd...

Despite confinement, crop genes can spread fast to wild

...ing greeted as a panacea that could make the whole problem of transgene escape go away," says Haygood. But, as he points out, "it has been shown that chloroplast DNA transmission through pollen can occur at a low rate." He asks, "How much does that matter?" Given that this gene containment strategy is not fa...

Researchers receive $9.2 million for heart failure studies

... from mice and rats, and we know what the clinical problem is, but we don't know how to go from the basic genetic and biochemistry data to treating patients with a new therapy." ...

New systems biology center positions UT Southwestern in vanguard of scientific research

..., in the eye provide a good example of the type of problem systems biology can address. Photoreceptors in the retina convert light into electrical signals, which then pass into the brain where they are interpreted, resulting in vision. Proteins within these cells are responsible for that conversion of light...

Life in the universe takes orders from space

...trial life on Earth. According to Pizzarello, this problem is that chemical evolution - what we see in meteorites - is characterized by randomness, while terrestrial life relies on specificity and selection. For example, the meteorites contain over 70 amino acids. A mere 20 amino acids make up life's protei...

Evolution caught in the act

... bond pathway. The mutant bug managed to solve the problem in time and swim away from starvation and multiply...cteria came up with a completely new answer to the problem of how to form disulfide bonds. I think we can now talk about Genetic Assisted Design (GAD). "The ...

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