Tag: "slowing" at biology news

Science's Top Ten: nanoscale computing circuits named top scientific advance of 2001

...rd of current U.S. emissions but may show signs of slowing within the next century. Science After September 11: The international science and engineering community faces a "sobering new era" after the September 11 terrorist attacks on the United States, challenged by shrinking budgets, information-sharing ...

Prizes awarded in the 2002 Gottfried Wilhelm Leibniz Programme

...ith a single global mechanism, such as the general slowing down of thinking, but that they proceed specifically in various areas of cognitive sub-activities. With a method that achieved fame as Testing the Limits, for example, he succeeded in demonstrating the training resistance of healthy older people for ...

Comprehensive set of vision genes discovered: Identification could help in diagnosing and treating blinding diseases

...ed genetic data base could lead to new methods for slowing or staying the course of disease once it occurs. "The more we know about how the genes work, the better we will be able to find ways to treat, and possibly, prevent disease," said Cepko. Information about how the genes work inside photoreceptors wh...

Autumn foliage may affect air quality, climate

...og. The emissions also have an impacton climate by slowing the rate at which greenhouse gases are oxidizedin the atmosphere. To measure foliage emissions, scientists from NCAR and otherinstitutions are taking continuous readings above the forest canopynear Pellston, Michigan. Their instruments track both upd...

Alcohol researchers show 'friendly' virus slows HIV cell growth

...ed that GBV-C might exert a positive effect toward slowing the progress of HIV infection. We expanded the previous research by looking at a very large group of patients followed at our clinic between 1988 and 2000 and found that HIV-infected people without GBV-C infection were 3.68 times more likely to die t...

Forestalling pesticide, antibiotic resistance possible, theory predicts

...tential to play a significant role in dramatically slowing the rate at which resistance enters insect populations," Pittendrigh says. The result, the researchers say, would be reduced costs, both financial and social. "Nature will always find a way to get around whatever we do to control organisms," Pittendr...

Trial drugs for Huntingtons disease inconclusive in slowing disease

... is the first study to show a hopeful trend toward slowing of disease with a particular therapy and gives us some good clues to work with in future studies, said Walter J. Koroshetz, M.D., of Massachusetts General Hospital in Boston, and a co-principal investigator of the study. We hope that further resear...

Study detailing safety and efficacy of exisulind in treating recurrent prostate cancer

...e or disease remaining after surgery. Therefore, a slowing of the rise of PSA levels would suggest a delay in disease progression in such men. To date, the U.S. Food and Drug Administration has not approved a treatment for prostate cancer based solely on effect on PSA levels. Prevailing thought suggests th...

Human population growth already slowing

...cted to no more than double is due to the dramatic slowing in the rate of increase that has been going on for at least 25 years already. This projection is also coming from demographers. "I work with ecological equations, but three researchers working with human demographic data just published a similar find...

Scientists find genetic basis of insect's resistance to engineered crops

...difficulty verifying whether the EPA's strategy is slowing the spread of resistance, however, because of the difficulty in measuring the frequency of moths with a pair of the resistant genes. Conventional bioassay-based monitoring methods, which count the number of moths that are resistant to the Bt toxin,...

UCSD researchers decipher molecular "code" capable of controlling plant water loss during droughts

...te the guard cells to close. But by experimentally slowing down the calcium oscillations in the mutant to the same frequency at which normal Arabidopsis close their stomata for long periods, Allen, Schroeder and their colleagues were able to demonstrate that the mutants stomata could also be closed for long ...

Stress delays puberty

...the testes, these organs develop more slowly, thus slowing down overall development. The whole complex of hormones involved in puberty is self-regulatory. The brain produces the gonadotropin-releasing hormone, which stimulates cells in the pituitary. On order, the pituitary then excretes the gonadotropins,...

Dried-out human cells can come back to life

...n is thought to protect cell membranes, as well as slowing the rate of drying. So Potts and Helm tried mixing purified glycan with human kidney cells and drying them out at room temperature. When they rehydrated the cells 8 days later, half of the cells recovered and started dividing again, Potts told a...

Wood preservation: stopping termite destruction and making safer wood preservatives

...ation of shipworm to the next may provide clues to slowing the reproduction of shipworms, thereby delaying or preventing damage to wood. (The paper on this research, CELL 88, will be presented at 9:30 a.m., Wednesday, April 4, in the San Diego Convention Center, Room 11A.) Exploring the secret live...

Talking device keeps HIV patients on the straight and narrow

...ws physicians to see if patients' reaction time is slowing as the disease progresses and gives a quick check on HIV's spread into the brain. The DMAS is an investigational device produced outside of Hopkins. At present, it's available for research purposes only....

UC Davis study finds heart benefits from apples & juice

...hether the compounds actually protect the heart by slowing the process of LDL oxidation. Although Hyson expected to see positive results from drinking apple juice and eating apples, she was surprised to find beneficial effects after only six weeks. "A very moderate intake of apple juice or apples has the po...

Microbial activity key component of global environmental change

... microbial activity can play a significant role in slowing adverse effects of greenhouse gases and other global environmental changes, according to a new report from the American Society for Microbiology (ASM). The report, "Global Environmental Change: Microbial Contributions, Microbial Solutions," point...

New study reveals a major cause of global warming - ordinary soot

...emissions, he maintains, could prove beneficial in slowing down the disastrous pace of global warming. Dire warning Jacobson`s findings come on the heels of a Jan. 21 report by the United Nations Intergovernmental Panel on Climate Control (IPCC), an organization made up of hundreds of scientists from around...

Avocados contain potent liver protectants

...wed the most potent activity among these fruits in slowing liver damage, according to the lead researchers, Hirokazu Kawagishi, Ph.D., and Kimio Sugiyama, Ph.D., professors at Shizuoka University in Shizuoka, Japan. "Besides offering taste and nutrition, avocados seem to improve liver health," says Kawa...

First gene therapy to calm pigs' out-of-sync hearts

...g tissue whenever the nervous system signals for a slowing of the heart rate. The gene makes a protein that's the biological equivalent of a monkey wrench, blocking a step in an adrenalin-triggered set of reactions that normally speed heart rate. At the start of the study, the researchers primed 10 pig hear...

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