Tag: "uncertainty" at biology news
Study identifies hypertension patients who can benefit from the little used diuretic amiloride
...rder causing their hypertension, and to remove any uncertainty
for individual patients. The authors of "Hyperactive ENaC Identifies Hypertensive Individuals Amenable to Amiloride Therapy," are Artensie R. Carter, Zhen Hong Zhou, David A. Calhoun, and James K. Bubien, all from the University of Alabama at Birmi...
New research site established in Australia to help predict climate change
... clouds, which collectively represent the greatest uncertainty
in understanding global warming and climate change. The instrumentation includes solar, infrared, and microwave radiometers used to measure over time the amounts of water vapor and liquid water, as well as the energy balance at the surface. Instrume...
Preserving options: Short-term action required to avoid long-term climate damage
.... How do we keep ourselves in a position where, as uncertainty
is resolved, we can still avoid dangerous levels of warming?"...
The Extraordinary Human Life
...communication stem from a history of adaptation to uncertainty
and environmental risk in our ancestral world. At the American Association for the Advancement of Science (AAAS), on 28 May Richard Potts, Ph.D., of the Smithsonian Institute's National Museum of Natural History in Washington, DC, and Stephen G. Pos...
Autoimmunity in autism
...n end result of various abnormalities. Fundamental uncertainty
remains about the relative input of genetic predis...ition and environmental exposures. Central to this uncertainty
is the conflicting evidence concerning the incidence of autism. While there are several reports of r...
Assessing the risk of mad cow in sheep
January 10, 2002 -- Although a great deal of uncertainty
exists about whether bovine spongiform encephalopa...ing vCJD from cattle, Ferguson emphasized that the uncertainty
remains quite broad. Human deaths over the next 80 years caused by BSE from cattle could range from ...
Science's Top Ten: nanoscale computing circuits named top scientific advance of 2001
...pact on an unnaturally warm 20th century, although uncertainty
remains about the planet's sensitivity to greenhou...nited States President George W. Bush, citing this uncertainty
along with reservations about the high cost and unequal burden of implementing emission controls, pu...
'Skeletons' in the closet
...en narrowed to five to 15 million. Reasons for the uncertainty
include uneven taxonomic coverage. This leads to poor knowledge of highly diverse taxonomic groups -- for example, terrestrial arthropods (including insects, crustaceans and spiders). Additionally, classification is uneven in certain regions such a...
Efficient fertilizer use could benefit river without hurting crop yields
...r collaborator. "We conducted a very comprehensive uncertainty
assessment of the model and its inputs," said Geor...e needed, the researchers stressed. "Even with the uncertainty
of correlations, it makes sense to continue to improve the efficiency of fertilizer use by following...
URI professor emeritus Saul B. Saila receives national award of excellence from American Fisheries Society
...cosystem modeling, complex nonlinear dynamics, and uncertainty
theory. Saila has served with distinction on many scientific advisory committees at the local, national, and international levels. A resident of Hope Valley, Saila received a B.S. in agronomy from the University of Rhode Island, and an M.S. in lim...
Wave of the future? Dams as river restoration
... on incomplete information, and when combined with uncertainty
the decision-making process can become highly emotional and divisive. Drawing upon the social sciences, including social psychology and communications, she will suggest methods to improve public understanding of dam removal. The potential roles for...
Scientists call for development of ecological forecasting
...f prediction, because they feel that there is much uncertainty
about their models, and that most predictions are going to be wrong. But we have to weigh this uncertainty
against the costs of not trying to anticipate. We also need to examine why traditional modeling str...
Alzheimer's genetic susceptibility could bring fear and misunderstanding, religious scholars say
...nd insurance. While the risks of knowing might end uncertainty
it can also bring a profound sense of loss grief, and mental health problems. The religious and theological questions are clearly related to the science and the ethical issues. Knowledge, as uncertain as it may be, can affect ones present and future ...
Women's health on wheels
...r when patients must return for imaging because of uncertainty
over findings. With digital technology, doctors can enhance the digital image in a variety of ways with a computer, obtaining multiple views from a fewer number of images. As an added plus, digital mammography uses less radiation than conventional ...
Climate sensitivity may be higher than many think, researchers say
...found that, as a result of natural variability and uncertainty
in the radiative forcing, the climate sensitivity ...ue. This is not good news." One way to reduce the uncertainty
of which probability distribution is the appropriate one to use in impact and policy studies is "to ...
So just how many genes do we have?
...While the debate should be settled eventually, the uncertainty
could have far-ranging implications. Some fear that undiscovered genes-and thus potential drug targets-could fall through the cracks. While many labs continue to mine the genome for new genes, some are finding it difficult to get funding. The head of...
Yale physicists first to create a 'squeezed state' of atoms, which could lead to improved sensitivity ofnavigation systems used on planes and ships
...en the atoms, they were able to reduce the quantum uncertainty
in thenumber of atoms in a single well from +/- 50...atoms. "Quantum states of this type, with reduced uncertainty
in the number of particles and increased uncertainty
in the phase, are called 'squeezedstates,' and ...
Discovery may jump-start mine remediation efforts
...louding the picture is the fact that there is some uncertainty
about the temperatures needed to form ore deposits, or the range of temperatures that occur during the process. Moreover, in recent years scientists have discovered sulfide-reducing microbes that thrive at temperatures close to 100 degrees Celsius, s...
New IIASA research challenges Kyoto Protocol
...a's total carbon balance falls within such a broad uncertainty
range that it undermines any confidence that the overall changes in the carbon balance - and in Russian air quality - can be attained within the Kyoto Protocol's compliance period. A similar result is emerging from a parallel case study for Austria....
Soybean pest native to China detected in U.S. for first time
...to weigh the costs of those treatments against the uncertainty
surrounding how they will perform. Wedberg suggests growers not consider insecticides unless their fields show yellowed or cupped leaves. Because the soybean aphid is new to the United States, there are no insecticides registered for it, Wedberg says...
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