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Scientists find universal rules for food-web stability

... when many diverse predator-prey links connect high and intermediate trophic levels. The computations ... the computational demands of such simulations are high and their relevance is often limited. ... "Food-web stability is enhanced when species at high trophic levels feed on multiple prey species and ...

AGU journal highlights -- Aug. 6, 2009

... to 1.8 billion years ago). Using images from the high Resolution Imaging Science Experiment (HiRISE) ... sea surface height (SSH) with resolution as high as 10 kilometers (6.2 miles), a significant ... of vertical velocities in the upper ocean from high resolution sea surface height Authors: P. ...

'Green' energy from algae

... be used as a "re-source", as algae grow faster at high carbon dioxide concentrations and, hence, produce ... does not only work in countries with an extremely high solar irradiation. Most algae need a maximum of ... says Mller. "The plant cells are exposed to a high electric field for a very short term. This causes ...

August 2009 Geology and GSA Today media highlights

... goldfields and megafauna of Beringia. high Cu grades in porphyry Cu deposits and their ... magmatic source. Deposits in which most high Cu grades are associated with small, early, ... depths of about 4 km or less. Those in which most high Cu grades occur in narrow halos of altered rock ...

U of M study identifies risk factors of disordered eating in overweight youth

... a lack of family connectedness, placing a high importance on weight, and reporting having ... when participants were in middle school and high school, and the second occurring five years ... symptoms, poor eating patterns, including high fast food and sweetened beverage intake, ...

A crystal ball for brain cancer?

... the patient ever starts treatment. By linking high water movement in tumors to positive drug ... that the drug would work better in tumors with high levels of the growth factor." By measuring ... best to Avastin. "When we realized that high levels of VEGF are linked to greater cell death ...

Smaller than expected, but severe, dead zone in Gulf of Mexico

... miles. The forecast was driven primarily by the high nitrate loads and high freshwater flows from the Mississippi and ... among other factors. "The winds and waves were high in the area to the west of the Atchafalaya River ...

DOE-funded research projects win 46 R&D 100 Awards for 2009

... engineers to design next-generation plants with high efficiencies and near-zero emissions by ... high Performance Software for Engineering and Science ... while minimizing their weaknesses, delivering high performance at competitive cost. (Jointly with ...

High-tech vehicle design boosts emergency rescue capacity

... 3722 4 SAVE project has resulted in a design for high tech polyvalent rescue vehicles able to take ... installed in different vehicles. The box kit uses high performance materials and can be adapted to a ... services as they often have to take care of a high number of victims in a very short period. In ...

Our brain looks at eyes first to identify a face

... changes of intensity in an image. In contrast, high frequencies represent the details in an image. If ... perceive increasingly less details, that is, the high spatial frequency components, while low ... that the human brain was not interested in very high frequencies when identifying faces, despite such ...

A 'heart healthy' diet and ongoing, moderate physical activity may protect against cognitive decline

... is often recommended by physicians to people with high blood pressure or pre-hypertension. The DASH diet ... sponsored by the National Institutes of Health. high blood pressure is considered a risk factor for ... week), low (less than 150 minutes per week) or high (150 minutes per week or more). Changes over time ...

Recent news reports of sweetener reformulations raise questions about motivations

... Starbucks and other brands that they will remove high fructose corn syrup from certain products are ... really little material difference" between high fructose corn syrup and other caloric sweeteners. ... that there are nutritional differences between high fructose corn syrup and sugar, when in fact they ...

Mice run faster on high-grade oil

... achieve an equivalent feat in mice fed on a diet high in polyunsaturated fatty acids. ... has shown that mice fed for two weeks on a diet high in sunflower oil, which contains n-6 ... mice fed a diet rich in linseed oil, which is high in n-3 fatty acids. This means that, over a 2 ...

Tummy troubles -- gastrin key in bacterial-induced stomach cancer

... gastrin in cancer development remains unclear. high levels of gastrin lead to the development of ... to gastric cancer in animal models with either high expression of gastrin or no gastrin at all. They found that Helicobacter infection in mice with high levels of gastrin resulted in cancer of the ...

Coral face 'a stormy future'

... significant increases in the frequency of high sea surface temperatures (SSTs), and hurricane ... are strengthened by warm surface waters." The high temperatures cause bleaching, while the storms ... recruited at all. "Healthy reefs usually have high numbers of coral recruits and juvenile corals, ...

Study shows transfer of heavy metals from water to fish in Huelva estuary

... that zinc, copper and lead are present at high levels in the water and sediments of the Huelva ... in one of the few estuaries in Spain with high levels of metals contamination", says Galindo. ... in the liver, where copper was also detected at high concentrations. This research forms part of ...

CU-Boulder study shows 53 million-year-old high Arctic mammals wintered in darkness

... teeth are among the most valuable fossils in the high Arctic because they are extremely hard and better ... said Eberle. "Instead, they lived in the high Arctic all year long, munching on some unusual ... to warm, humid summers and mild winters in the high Arctic 53 million years ago, where temperatures ...

Two Central High (Philadelphia) grads honored by AIBS

... Philadelphia's historic and prestigious Central high School. Felsenstein is currently Professor of ... of Washington. After graduation from Central high in 1960, he received his undergraduate training ... about evolutionary biology. Another Central high Graduate, Louis J. Gross, Ph.D. received the 2006 ...

Striata and CIC Launch Integrated eSignature, eDelivery, and eBilling for the Financial Services Industry

... Industry Leading Providers Team Up to Provide high Volume Transaction Solution Enabling Paperless ... and cutting edge methodologies to maximize both high volume consumer and business to business paper ... collection notices, letters, paystubs and other high volume system-generated documents are delivered ...

Microfossils challenge prevailing views of the effects of 'Snowball Earth' glaciations on life

... "In addition, the algal blooms result in high levels of organic matter production, which we see evidence of in the high organic carbon content in upper Chuar Group rocks. In fact, the organic carbon content is so high in the upper Chuar Group, oil companies were ...

Nobel Laureate underscores importance of investment in basic research

... of physics measurements and processes such as high resolution spectroscopy, atomic clocks, atomic ... it up by saying, "ONR's style has intrinsic and high value." Ultimately, Phillips and two ... "The ability of ONR to be able to support high risk, long term research efforts without ...

Tips from the American Journal of Pathology

... of Pathology . Breathing molecular oxygen at high pressures may cause oxygen toxicity, which is ... nervous system, lung, and eye. Patients on high concentrations of supplemental oxygen due to ... in the lungs. They found that mice treated with high levels of oxygen had an increased number of ...

Babies born to native high-altitude mothers have decreased risk of low birth weight

... deliver more blood and oxygen to their fetuses at high altitude than do women of European descent. The ... explain why babies of Andean descent born at high altitude weigh more than European babies born at ... and Comparative Physiology found that at high altitude: the uterine artery of Andean ...

One sponge-like material, three different applications

... random networks of metal-sulfur atoms with very high surface areas.) The new chalcogel is made from ... producing a sponge-like material with a very high surface area. (One cubic centimeter has ... area, or about half a football field.) It is this high surface area and the material's stability under ...

Striata and CIC Launch Integrated eSignature, eDelivery, and eBilling for the Financial Services Industry

... Industry Leading Providers Team Up to Provide high Volume Transaction Solution Enabling Paperless ... and cutting edge methodologies to maximize both high volume consumer and business to business paper ... collection notices, letters, paystubs and other high volume system-generated documents are delivered ...

New evidence of how high glucose damages blood vessels could lead to new treatments

... stroke and obesity as well. One aftermath of high glucose levels is low levels of the powerful ... vessels, a shortfall that increases the risk of high blood pressure and eventual narrowing of the ... during a joint session with the Council for high Blood Pressure. "We know diabetes is a major ...

American Chemical Society's weekly PressPac -- April 29, 2009

... to large-scale outbreaks of fires, and have high levels of alkaloids in their needles. Fires help ... Compounds in Biomass Burning Aerosols Using high Resolution Mass Spectrometry" DOWNLOAD FULL ... in Canada are reporting for the first time that high mercury levels in certain Arctic seals appear to ...

U of Minnesota study finds high school teachers influence student views of evolution & creationism

... are often shaped by what they learned in their high school biology classes, according to a University ... two groups' views were similar and revealed that high school biology teachers influence whether majors ... thirds of students from both groups said their high school biology class included evolution and not ...

Experts lay to rest long-held misconceptions about high fructose corn syrup at ILSI-USDA workshop

... and the general public to stop demonizing high fructose corn syrup as the culprit of obesity and to rethink the myths about high fructose corn syrup's impact on the American ... varying backgrounds, including former critics of high fructose corn syrup, who found there is little ...

Translating the conversation between the brain and blood vessels

... sense that the blood vessels are stretching under high pressure? In a study with obese rats, they found ... ion channel and found that the animals developed high blood pressure. Work is now planned to develop a blood test to identify patients who suffer high blood pressure or heart failure because of a ...

6 young ASU faculty earn NSF Career awards

... sensor does not use these probes, yet it has high selectivity. His probeless biosensor is packaged ... high-performance devices like military aircraft, high performance automobiles, golf clubs and tennis ... opposed to traditional technologies that require high temperatures, which can damage the fibers and ...

Genetic switch potential key to new class of antibiotics

... to crystallize due to its need to function at high temperatures. The more stable the riboswitch, the ... are particle accelerator facilities that direct high energy X-rays at crystals to produce detailed ... RNA bases in the riboswitch binding pocket with high affinity, adding stability to the switch that ...

K-State using Second Life island to help high school students learn earth science

... a new approach to teaching earth sciences to high school students. Iris Totten, an associate ... being piloted at Tolbert and Brookside charter high schools in Kansas City, Mo. In the fall, about 400 ninth-grade students at Junction City high School will start using the program. Creating ...

Food security for leaf-cutting ants: Workers and their fungus garden reject endophyte invaders

... to present the ants with leaves containing either high or low levels of fungus. They also pitted 32 ... growth. Ants cut leaves that contained both high or low levels of fungi, but they took longer to cut leaves from the high endophyte treatment. Moreover, the leaf ...

Targeted drug therapy prevents exercise-induced arrhythmias

... medications beta blockers, often used at very high doses, and calcium channel blockers to control ... defibrillators (ICDs) are placed in patients at high risk for sudden death, but ongoing arrhythmias ... is going to allow us to back off the excessively high doses of beta blockers, limit defibrillator ...

Difference in fat storage may explain lower rate of liver disease in African-Americans

... of metabolic liver disease. Despite similarly high rates of associated risk factors such as insulin ... or NAFLD. The disease is characterized by high levels of triglycerides in the liver and affects ... African-Americans are less likely to have high levels of triglycerides and abdominal fat both ...

AIBS names 2009 emerging public policy leaders

... students, and worked with educators to develop high quality community schools in Kenya. Roddy earned ... teaching fellowship in 2007 to support local high school science education. She mentored students ... global environment and helped develop a guide for high school science research. She is also the Vice ...

Molecular fingerprints point the way to earlier cancer diagnosis and more targeted treatment

... metabolites in 262 samples taken from men with high PSA levels. They consistently found elevated ... metastatic disease, sarcosine levels were sky high compared to patients with localized tumors," says ... group of patients with negative biopsies and high sarcosine levels. "We don't know how many of them ...

Water acts as catalyst in explosives

... under ordinary conditions. Detonations of high explosives made up of oxygen and hydrogen produce ... planets. While the properties of pure water at high pressures and temperatures have been studied for ... atomistic simulations of the detonation of the high explosive PETN (pentaerythritol tetranitrate), ...

Research to secure a safe water supply

... so-called groundwater "hot spots", zones of high microbial activity where contaminants are ... Drinking water in Gaza Strip contaminated with high levels of nitrate Researchers from the ... & groundwater UFZ studies have shown that the high land use in Germany has a drastic effect on the ...
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(Date:8/20/2014)... can persist in a cold, dark world. A UT ... examined waters and sediments from a shallow lake deep ... environment supports microbial ecosystems. , The National Science ... implications for life in other extreme environments, both on ... published in the current edition of the science journal ...
(Date:8/20/2014)... approximately 3 million infants, a team of scientists across ... Massachusetts Medical School, have shown that newborn screening for ... public health newborn screening programs. Data from 11 newborn ... the Journal of the American Medical Association ... newborns is higher than previously thought and believed to ...
(Date:8/20/2014)... are athletes who have suffered concussions ready to return ... found that high school athletes who head back on ... a significant regression in their abilities to simultaneously walk ... seen in changes in their balance and/or altered walking ... of the 12 had returned to activity in less ...
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Breaking Medicine News(10 mins):Health News:WRNW1's KC Armstrong Expresses Thanks and Appreciation to Howard Stern 2Health News:Cheap Hand Scraped Bamboo Floorings Recently Unveiled by BambooIndustry.com 2Health News:New Reviews Of Cheap PHP Hosting Companies Unveiled By Top 10 Best SEO Hosting 2Health News:Dr. Kelch of AlignLife North Peoria Supports Peoria Annual Walk MS 2
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