Ecological change, climate variation addressed at international conference, September 20-24
...rom the atmosphere from human activity like fossil fuel combustion. River-edge ecosystems affected by de...ent vary Nitrogen deposition, a result of fossil fuel combustion and agricultural runoff, is increasingly affecting natural areas. To understand how plant......o uranium in contaminated soil at a former nuclear fuel manufacturing site. By cooling the sediments to minus 267 degrees Celsius, near the temperature of liquid helium, Wang and colleagues at the PNNL-based W.R. Wiley Environmental Molecular Sciences Laboratory hit a sample with UV laser on a contaminat...Animal physiology conference sheds light on human physiology
...yle requires their little bodies to deliver enough fuel to stay ahead of the crowd. These remarkable birds can shut down their kidneys, a feat that would kill a human being, Martinez del Rio has found. His talk is entitled "The comparative/ecological physiology of nectar-feeding birds: the last 15 years."...High-value chemicals produced from ethanol feedstocks could boost biorefinery economics
...ld Sunday, September 10. "It seems unlikely that fuel from a biorefinery at least in the beginning is going to be as cost-effective as fuel from traditional fossil sources," said Charles Eckert, a professor in the Georgia Tech School of Che...Good times ahead for dinosaur hunters, according to U of Penn scientist's dinosaur census
...osaur diversity," Dodson said. "My intention is to fuel the discussion using the facts at hand, and this is the best estimate we can make with the data available."...Forest fires a real concern for areas hit hard by hurricanes
...p forest managers in the Southeast quickly measure fuel loads across extensive areas of hurricane-damaged ... their jurisdiction and develop plans for reducing fuel loads. "The hurricane damage was devastating to both people and forests, and a big wildfire is th...DOE JGI, VBI describe disease mechanisms of sudden oak death, related soybean pathogens
... has the highest energy content of any alternative fuel and is significantly more environmentally friendly than comparable petroleum-based fuels, since it degrades rapidly in the environment. Earlier this year, DOE and USDA announced that they will share resources and coordinate the study of plant and mic...ACS News Service Weekly PressPac -- August 23, 2006
...ate. The new tests show that OBDS reduced cranking fuel requirements by 70 percent, increased fuel economy by 1 percent, and reduced tailpipe hydrocarbon emissions to the point where smaller vehicles...First 'encyclopedia' of nuclear receptors reveals organisms' focus on sex, food
...ocesses, such as the use of diet-derived lipids as fuel for the body. "You see that certain receptors have similar patterns in certain tissues. The common themes suggest that those receptors together regulate a similar regulatory circuit," said Dr. Mangelsdorf, an investigator in UT Southwestern's Howar...Dartmouth research points to protein S14 in treating breast cancer
...astasis. "This makes sense, as fat is a crucial fuel for breast cancers," he says. "We believe this is especially so during a tumor cell's attempt to journey from the breast to other parts of the body, because the normal breast tissue supplies machinery that allows tumor cells to acquire fat from the b...Burning wetlands unleash sequestered mercury in wake of climate change
...ally carry the mercury emitted from burning fossil fuel and other industry northward, where it eventually settles on land or water surfaces. The cold, wet soils of the boreal forest region in Alaska and northern Canada have been efficient resting places for mercury. "When we walk across the surface of a...UCI scientists first to predict air quality impact of small-scale power sources
... located throughout an urban air basin -- includes fuel cells, photovoltaics, gas turbines, micro-turbine ...r plant will have a larger air quality impact than fuel cell distributed generation. This small-scale technology has the potential to fulfill the energy nee...Researcher hits bulls-eye for antibiotic target
...latch onto its substrate, the substance it uses to fuel its chemical reaction, and to stay tenaciously in place until it has consumed all of the substrate, Sanders said. Using X-ray crystallography, Sanders was able to show the structure of the E. coli exopolyphosphatase and found the protein had a uniq...UAF hosts symposium on human-fire interactions
... village electrical generation systems from diesel fuel to wood fuel in Interior Alaska. I examine this question in terms of costs, technology, and logistics; sustainabl...Engineer designs system to put wastewater to work
...uis have been continuing their work on a microbial fuel cell that generates electricity from wastewater. Advances in the design of this fuel cell in the last year have increased the power output by a factor of 10 and future designs, already ...High blood pressure induces low fat metabolism in heart muscle
...will alter between using fats and carbohydrates as fuel depending on availability. But at times of the day when blood glucose is low -- such as when a person hasn't eaten in a while -- hypertrophic hearts can't switch to burning fatty acids as normal hearts would, possibly leaving them energy deficient, d...USGS Science at Ecological Society of America
...e and Fire Surrogate Study: effects of alternative fuel reduction methods on overstory and understory vege...logical consequences of the alternative methods of fuel reduction, principally prescribed fire, mechanical treatments, or a combination of both. The authors...Story tips from the Department of Energy's Oak Ridge National Laboratory, August 2006
...eighten the demand for coal to be burned at fossil fuel power plants. The numerical economics model includes data on building codes and census figures from every county in the United States, along with expected population changes during the time period. This research was conducted by a group of scientists...Brownfields may turn green with help from Michigan State research
...h. -- Growing crops for biofuels summons images of fuel alternatives springing from the rural heartland. B...d industrial sites for use in ethanol or biodiesel fuel production. Another partner is NextEnergy, a nonprofit organization that supports energy technology ......at least 7.5 billion gallons per year of renewable fuel be blended into the nation's fuel supply. To meet these goals, future biofuels production will require the use of more diverse feedst...