New Arizona State center brings science to policy on issues of water resources and urban growth
...s those decisions might have in the future on such variables as water usage, economic expansion, demands on the area's natural resources and on achieving a balance of growth and resources, or sustainability. A vital tool for decision makers and DCDC researchers is the Decision Center for the New Arizo...Computer models expose humans as main cause of caribou decline
...rea in northern Alberta. They introduced different variables into the models to see what effect, if any, the ch...n the development of the simulated ecosystem. Some variables included altering the number of wolves (a caribou predator), moose (the main prey of wolves), and ed...Alcohol-use and depression among pregnant and postpartum women
...For this particular study, five groups of prenatal variables (psychological standing, substance use, social factors, obstetrical complications, and demographics) were collected at four points in time (the 4th and 7th month of pregnancy, delivery, and 8 months postpartum) for 595 women. "We found that women who...Story tips from the Department of Energy's Oak Ridge National Laboratory, August 2004
... infrastructure driven by a complex combination of variables as diverse as rising demand, conflicting subsystems and societal pressures. Without a broader understanding of the interaction of those forces, a sandcastle power grid will be hard pressed to accommodate the rising tide of power demand. [Contact: Bil...Climate change could doom Alaska's tundra
...ore conservative scenario. There are some variables that could affect these projections, Bachelet said, such as major changes in ocean circulation patterns that could have unpredictable effects on regional climate. One such change that has been suggested a shutdown of a major ocean current and circul...Satellites are tracing Europe's forest fire scars
...l and vegetation moisture can be addressed. These variables are known as dynamic risks. At the end of the risk mapping process, the probability of fire breaking out in a particular place and time can be reliably calculated. The Risk-EOS burn scar mapping service began last year. The intention is to develop f...Gene expression patterns may help predict risk and progression of prostate cancer
...on of prostate cancers are metastatic, identifying variables that predict the behavior of a prostate cancer tumor based on gene expression patterns should prove important in clinical management of the disease," said Dr. Luo. "The results of this study are a first step in that direction." ...Biocompatibility to widen scope of biomaterial applications
... modify properties of polymers by changing certain variables such as temperature, pH factor, ultraviolet light, and solvents. Other exciting research prospects include the development of customized organic polymers that can be used to regenerate damaged nerves. Research on visual prostheses promises to restore...Carnegie Mellon computational biologist Russell Schwartz receives prestigious CAREER award
...x biological systems work, Schwartz can manipulate variables in ways that would not be practical or possible in a living system. Specifically, Schwartz plans to develop a computer model of self-assembly within cells. Self-assembly systems consist of potentially thousands of simple biological subunits that asse...Study links diabetes and colorectal cancer
...globin levels and diabetes status were included as variables in the same model, glycated hemoglobin remained a significant predictor of colorectal cancer risk, while the effect of diabetes was not significant," said Kay-Tee Khaw, M.D., FRCP, professor in the clinical gerontology unit of the university's School...'Noisy' genes can have big impact
...any influence of external environmental factors or variables such as differences in cell type, since the two genes were operating inside the same cell. After using this technique to study the function of various promoters, the scientists concluded that noise did, indeed, affect gene expression in the yeast cel...U-M scientists use 21st-century technology to probe secrets of M. tuberculosis
...ible to study complex biological systems with many variables in ways that would be impossible in humans or research animals. "Here we used a new approach called agent-based modeling, which allowed us to track the individual behavior of specific cells in the system and how they contributed to the collective ou...Taxanes may enhance immunity in breast cancer patients
...se who did not. Scientists controlled for multiple variables that might contribute to the strength of the patients' immune function, including age, menopausal status, hormone receptor status, treatment, hormonal therapy at 12 months and cell counts, among others. "This was totally unexpected," says Dr. Willia...New analysis gives cancer patients personalized prognosis
...l of the information available -- both traditional variables and gene expression data -- to sort through the disease heterogeneity and get much closer to a personalized prediction of disease outcome. There's no reason clinical and genomic predictors must be an 'either/or' proposition," Nevins said. Importantly...Better techniques needed to predict earthquake hazards, UC study finds
...eds of possible earthquake scenarios based on such variables as where a rupture might occur on the fault, the path it might travel, and how fast it might move. "We know that under very strong shaking the soil may not behave in a linear fashion," said Archuleta, "so we used nonlinear soil dynamics computer mode...The American Academy of Microbiology releases report
...suring all the relevant internal and environmental variables associated with them pose additional challenges. Certain technical problems, such as identifying minority subpopulations, deciphering diverse chromosome structures, and complex genome assembly problems must be tackled to accelerate progress in microb...Chestnut trees to spread across landscape again, says Purdue scientist
... to produce seed specific to the climate and other variables in different areas." Jacobs and his colleagues at the Hardwood Tree Improvement and Regeneration Center are developing blight-resistant hybrids for eventual planting throughout Indiana. He has established a large test stand of hybrid trees at...Scientists calculate how high heels can go
...you can afford them and they look good many other variables come into play" 'Q' is defined as follows: ... (t+1)•(A+1)•(y+10)•(L+20) The variables are: p the probability that wearing the shoes will help you 'pull' (in a range from 0 to 1, where......e work needs to be done to understand the multiple variables driving the emergence of infectious diseases from wildlife to human populations. "Knowing that predators bring down rodent populations is not enough," says Ostfeld. "We need to know how strong this effect is compared to other influences--such as ......nce and other factors. They also analyzed climatic variables such as temperature and precipitation that affect the availability of vegetation and dependable sources of spring water for the sheep. "Climate was consistently correlated with extinction in a way the other factors weren't," said Clinton W. Epps, a d...