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Tag: "driving" at biology news

Implantable pumps extend lives of patients too sick for transplant

...who were doing the normal activities of life, such driving cars, fishing and golfing." Patients who were on the LVADs scored significantly higher on standard measures of quality of life than patients in the control group, Rogers said. "This is a remarkably ill group of patients," Rogers continued. "When yo...

Adult stem cells aid recovery in animal model of cerebral palsy

...ito Anopheles gambiae to uncover genes that may be driving speciation. A. gambiae exists in multiple forms that may be in the early stages of differentiating into separate species; on the other hand, they may be partially differentiated, co-existing races that could give us valuable information on genes resp...

Islands in the Genome Promote Speciation

...ito Anopheles gambiae to uncover genes that may be driving speciation. A. gambiae exists in multiple forms that may be in the early stages of differentiating into separate species; on the other hand, they may be partially differentiated, co-existing races that could give us valuable information on genes resp...

A New Era of Hope for the World's Most Neglected Diseases

...nd no strategic interests—military or security—are driving concern about these conditions?(BMJ 325: 176?77). Hence, only 13 new drugs have been developed for neglected tropical diseases since 1975, and they have garnered little international attention compared with “the big three?global health threats: HIV/A...

Older female fish prefer imperfect male mates, study finds

...s evidence that visual cues are not the only thing driving mate selection, however. The findings also suggest that "females may not have the same mating preferences throughout their lives," Morris said. Funded by the National Science Foundation and the Research Challenge Program at Ohio University, the paper...

Breath of the dragon: ERS-2 and Envisat reveal impact of economic growth on China's air quality

...nd its interactions with natural phenomena are the driving force in global climate change. "Next we are hoping for follow-up satellite missions, in particular from geostationary orbit to monitor atmospheric pollution, which has a strong diurnal variation and thereby determine objectively the changing atmos...

A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist

... of research will include understanding the forces driving this mode of genome evolution, as well as the consequences on the fitness of the bacterium and its host. "Developments in endosymbiosis are important not only to questions in basic research, but may have important practical implications," notes Werne...

Dalai Lama, top scientists to discuss science & clinical applications of meditation

...ult of these conferences. The Institute has been a driving force in the new and widespread acceptance of meditation in the West. Adam Engle, Chairman and co-founder with the Dalai Lama of the Mind & Life Institute, said, "Various applications of meditation have already made their way into the mainstream...

Study shows big game hunters, not climate change, killed off sloths

...aper this week. "If climate were the major factor driving the extinction of ground sloths, you would expect the extinctions to occur at about the same time on both the islands and the continent since climate change is a global event," Steadman said. Gary Haynes, anthropology professor at the University of ...

Purdue researchers find key to rice blast fungus

...sure found in a bicycle tire," Xu said. "It's like driving nails through the plant surface." The researchers found that a pathway, which includes three genes that form a cascade of communication events, drives the infection process. Xu and his team reported that when they blocked the genes, the fungus could...

Methamphetamine Abuse, HIV Infection Cause Changes in Brain Structure

... difficulties with medication management, impaired driving performance, and problems with general activities ...forts, as well as things like money management and driving performance.?/p> The brain volume changes associated with methamphetamine abuse did not correlat...

HIV Therapy Greatly Extends Life of Key T Cells, Scientists Find

...e number of circulating CD4+ cells. The mechanisms driving this increase as well as its potential clinical significance, however, have remained unclear, note the scientists. Using two relatively new techniques for labeling cells, the team demonstrated that IL-2 therapy can lead to greatly increased numbers ...

'Punctuated' evolution in the human genome

...vents. The scientists speculate that the molecular driving forces behind this "punctuated" duplicative activity may have been changes in transcriptional status or chromatin conformation. "Other regions may show different temporal biases," explains Eichler. "The important implication here is that episodic bu...

Invitrogen Launches i-Path -- A Unique Systems Biology Platform at BIO 2005

...onic stem cell lines from cloned early embryos and driving these embryonic stem cells to develop into eggs and sperm in the laboratory." However, Mr Heindryckx warned that there was a long way to go and many problems to overcome before he and his colleagues could reach their goal. "None of these early embr...

Scientists succeed in cloning human embryos from eggs matured in the lab

...onic stem cell lines from cloned early embryos and driving these embryonic stem cells to develop into eggs and sperm in the laboratory." However, Mr Heindryckx warned that there was a long way to go and many problems to overcome before he and his colleagues could reach their goal. "None of these early embr...

High-powered gene profiles provide clues to genes involved in common form of lung cancer

...t in both disorders, some of the same genes may be driving the tumors. ...

Census of Marine Life explorers surprised by diversity, density of Arctic creatures

...y unexpected and dramatic ways. This phenomenon is driving the International Polar Year of 2007/08, an unprecedented international collaboration of which the Censuses of Arctic and Antarctic Marine Life will form an important part. Because the Southern Ocean appears to be so critical to the biology of the g...

Amazon symposium to address large-scale conservation

...l resource destruction as the principle industries driving deforestation (cattle ranching and soybean farming) are strengthened by expanding world markets for open-range beef and grain. The paving of highways into the heart of the region will facilitate the export of Amazon products to world markets as it cr...

Bugs, even 'bad' ones, can be educationally beneficial, new book says

... moth (Hyalophora cecropia), which he collected by driving along streets in Urbana, Ill., and retrieving cocoons from trees. With its colorful 5- to 6-inch wingspan, the nocturnal cecropia moth is the largest North American moth. In "Insights From Insects," Waldbauer describes 20 different types of pests. H...

At the molecular level, the predator is the prey

...ese snakes. We're finding a molecular arms race is driving rapid and repeated changes in the gene within this group of beasts." For TTX to bind successfully to the sodium channel, the toxin needs something to bind to. At this moment in the garter snake's evolutionary history, TTX infiltrates a hole on tsNa(...

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