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Tag: "natural" at biology news

Genomic Analysis Uncovers New Targets for HIV Vaccine

...he virus, and this is the point in the infection's natural history that the researchers studied. The CHAVI investigators wanted to study those patients who had many sequential blood samples taken during this plateau in viral load. Before their analyses began collaborators in the EuroChavi consortium, coordi...

Art and music for the birds

...ion for artists. But what have artists offered the natural world" Would a bird even like rock and roll" Conc...tgers-Camden scholar makes art that interacts with natural surroundings – imagine spotting a tree donning a sweater or finding a rock upholstered as a baseball...

Researchers discover inherited mutation for leukemia

... also may provide new insights into the process of natural cell death. They may even lead to new strategies for treating the disease. The research is to be published in the June 1 issue of the journal Cell. It was led by researchers at the Ohio State University Comprehensive Cancer Center. The mutati...

Agent slows aging in mice

...n lifespan, when half the control mice had died of natural causes associated with aging. “This is the first time to my knowledge when an agent has been shown to extend median life span in three laboratories,” says Miller, professor of pathology at the U-M Medical School and associate director of the U-M ...

Math that powers spam filters used to understand how brain learns to move our muscles

...ays the artificial brain in the computer, like its natural counterpart, is guided in part by a special kind of statistical “probability” theory called Bayesian math. Unlike conventional statistical analysis, a Bayesian probability is a subjective “opinion,” that measures a “learner’s” individual degree o...

Researchers find 24 species believed new to science in Suriname rainforest

...riname while protecting the nation’s most valuable natural assets.” The RAP survey, from Oct. 25-Nov. 6 in...ts, birds, fish and insects indicative of the lush natural environment. In their final report, the scientists call for improved conservation management of t...

Bigger horns equal better genes

... theory of ageing, which is the idea that, because natural selection weakens with age, genetic mutations have effects that accumulate over time. Therefore, differences in genetic quality become more apparent as an organism ages. Coltman noted that his study, which incorporated genetic samples from more t...

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

...lly in order to curb his appetite, thus leading to natural weight loss. In experiments with mice, it was shown that a single oral administration of BL-3020 led to reduced consumption over a period of 24 hours. Over a 12-day period of daily dosages, the mice weighed 40 percent less than the average for mice o...

Dirty snow may warm Arctic as much as greenhouse gases

...ls to the ground. Soot-infused snow is darker than natural snow. Dark surfaces absorb sunlight and cause warming, while bright surfaces reflect heat back into space and cause cooling. “When we inject dirty particles into the atmosphere and they fall onto snow, the net effect is we warm the polar latitudes...

Loss of stem cells correlates with premature aging in animal study

...grity of their DNA, and multiple divisions lead to natural breaks in DNA. But when these stem cells are needed, their progeny can rapidly divide and are able to replenish the tissue with new cells. Brown explains that in the current study the mouse cells without ATR had an overwhelming amount of DNA dama...

Pesticides choke pathway for nature to produce nitrogen for crops

...gumes to recruit soil bacteria needed to provide a natural fertilizer to crops. Credit: University of Oregon ...tion or exposure to crops through runoff – disrupt natural nitrogen-fixing communications between crops and soil bacteria. The disruption results in lower yiel...

Columbine flowers develop long nectar spurs in response to pollinators

...e proposed a co-evolutionary "race" to explain how natural selection might account for the evolution of very ...s [to tap the flowers' nectar] would be favored by natural selection, and--in a never-ending process--continually drive the plants' spurs and the pollinator to...

Researchers examine carbon capture and storage to combat global warming

... geologic sequestration-storage in old oil fields, natural gas reservoirs, deep saline aquifers and unminable...archers said. Even better, the process can free natural gas that sits on the coal's surface. Natural gas is a relatively clean fossil fuel, which can then b...

Newly discovered antibody may be body's natural defense against Alzheimer's

...ying treatments. To further confirm that these natural antibodies bind with oligomers, Dr. Relkin and his colleagues collaborated with Drs. Charles Glabe and Rakez Kayed from the University of California at Irvine, who had previously created anti-oligomer antibodies in rabbits. Using techniques pioneered...

Massive herds of animals found to still exist in Southern Sudan

...ti migrations. “We cannot risk losing this amazing natural resource now,” said Fay. The Wildlife Conservat...the Congo Basin Forest Partnership, to foster wise natural resource management in a region of great global conservation value and strategic importance beset by...

Australian wins prestigious prize in biodiversity informatics

... and analysis for use in conservation planning and natural resource decision-making." Further, the Commit...nderstands the importance of the interplay between natural history collections data, visualization and analysis tools, and conservation decision-making. He has...

Could fungal collection hold the key to new life-saving drugs?

...ystems to detect biological activity in samples of natural products that could lead to new medicinal products...e step further, with the fungi being exploited for natural products. Although using biotechnology to develop new drugs is by no means simple, the industry h...

New findings challenge established views on human genome

...archers speculate it may serve as a “warehouse for natural selection” by acting as a source of functional elements unique to each species and of elements that perform the similar functions among species despite having sequences that appear dissimilar. Other highlights of the ENCODE work include: Iden...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

...a could be used as vehicles, harnessing bacteria's natural ability to penetrate cells and their nuclei, Bashir said. "For gene therapy, a big obstacle has been finding ways to transport the therapeutic DNA molecule through the nuclear membrane and into the nucleus," he said. "Only when it is in the nucleu...

In nature, proteins sweep up nanoparticles

...process stops the spread of metal 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. ...

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