Tag: "burning" at biology news
Bark Beetle Infestation Spurs Multifaceted Study
...f. However, before salvage logging or controlled burning
can take place, afull investigation of the archaeo... can be identified and then dated. A compilationof burning
dates and locations can reveal the fire pattern in the area,including both frequency and extent. The...
Cooking And Salad Oils Could Lubricate Cars, Boats, Machines
...0 SG, in the usual tests for the ability to resist burning
and forming deposits at high temperatures. They also performed as well or better than the standards in tests for slipperiness and for evaporation loss. While the tests examined important but relatively narrow characteristics,...
Ocean Sediments Contain Record of Past Vegetation Fires in Africa
... a record of past vegetation fires, called biomass burning
by scientists -- and this record shows much more p...g with NSF's climate dynamics program. The burning
of trees and grasses on land produces charred particles, or charcoal. Charcoal may then be transpor...
Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
...search professor and TUNL's director. That helium burning
reaction deep within stars like our own sun convertsthe isotope carbon-12 into the isotope oxygen-16. Knowing more about thereaction is critically important for predicting such vital details as therelative abundance of various elements in the univers...
No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
...s of nitrogen-containing compounds released by the burning
of fossil fuels and the use of fertilizers. Scientists had hoped that this extra nitrogen would spur the growth of plants and that the plants, in turn, would absorb some of the extra carbon dioxide in the atmosphere to moderate global warming. ...
UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
...ssure to turn an air motor much like pressure from burning
gasoline drives an internal combustion engine. One major difference, however, is that gasoline is a non-renewable resource so internal combustion engines have become more efficient over the years. With the abundance of air, there hasn't been the same...
Planned Burning In Forests A Boon To Several Species Of Birds In Illinois
CHAMPAIGN, Ill. -- Intentional burning
in oak savannas is helping manybird populations, s...locally self-sustaining. "It appears that planned burning
may be a step in the right directionfor certain species," Brawn said. "I fully expected to add toa ...
Biogenic Emissions Higher Than Expected Over African Savanna
...stribution. During one 24-hour period, fires were burning
over 25,000 square kilometers (15,500 square miles). EXPRESSO results will next be used to evaluate and improve computer models of air chemistry on regional and global scales....
National Laboratory Known For Environmental Technology Directing Attention On Solving Agriculture And Food Processing Problems
...fficiency in irrigation alternatives to open field burning
energy conversion of food wastes co-generation in food processing integrated farming concepts designed to recycle agricultural wastes into the production process. 1978-80 The section continued to seek out new markets and projects toreplace decl...
New Sensor Adds Precision To Search For Dangerous Gases
... many might die from noxious gases produced from burning
kerosene lamps or stoves to keep warm. Now, physicist Dr. Bijan Miremadi has developed a unique gas sensing unit that could prevent disasters caused by dangerous gases both at home and in the work...
Global Change: Will Some Plant Species Be Left Behind? Studies Of EcosystemDynamics Make Wide Use Of Computer Models
... result of human activities,especially fossil fuel burning
and deforestation. This has the potential tosignificantly alter the Earth's climate, expected to be warmer by one to 3.5Cin 2100. This would represent a rate of warming much greater than any seen inthe last 10,000 years. In response to changes in...
Smog Spreading To South Pacific
...ons, nitrogen oxidesand sunlight. In the tropics, burning
forests give off hydrocarbons and thehigh temperat...in the South Pacificencountered ozone from biomass burning
on 50 percent of their flights, Rowlandsaid. One airplane flew through a plume of smog about 500 mi...
Ameriflux Network Will Track CO2 Transfer In Forests
...re started to increase when people beganwidespread burning
of fossil fuels during the Industrial Revolution. Mostscientists believe that the 1 degree C. rise in average global temperaturerecorded over this same time period has been caused, in part, by carbon dioxideand other "greenhouse gases" from fossil f...
Bison Grazing Increases Biodiversity In Grasslands
...ist Scott Collins, even during periods of frequent burning
and other stresses. In fact, loss of species diversity in these grasslands due to frequent burning
was reversed by bison grazing, according to Collins. "Thus, reestablishing grazing in grasslands str...
DFG To Set Up 14 New Collaborative Research Centres
...gnatural gas and of approximately 55 per cent when burning
coal from about 2025 onwards. Inorder to operate at the necessary temperatures new materials need to be developed on the basisof open-cell structures such as bored structures, perforated sheet metal or open-cell metalfoams. In combination with a nove...
China And USGS--Working Together On Environmental Issues
...h these health problems have beenattributed to the burning
of impure coal, they are in reality the consequenc...n southwest China to corn dried overunvented ovens burning
high-fluorine coal briquettes bound together byhigh-fluorine clay. There is also evidence of seleniu...
Third Annual Awards For Presidential Green Chemistry Challenge Recognize Innovations
...gentthatcools as well as extinguishes a variety of burning
materials, yet is rapidlyand completely broken down by bacteria in the environment. It contains noozone-depleting halons, nor fluorsurfactants or glycol ethers, both of whichcan contaminate groundwater resources for years. Currently, firefightersrele...
Minuscule Ocean Plants Help Stabilize Earth's Atmosphere, Climate
..., ironically, the extracarbon dioxide generated by burning
those fuels, in turn, will almost certainlyaffect future activity and distribution of ocean phytoplankton in ways that arehard to forecast, the authors wrote. For instance, the extra carbon dioxide could warm the atmosphere andseas in a way t...
Allergy And Asthma-Exaceberating Mites, Molds And Pollens On The Rise Due To El Niño . . . La Niña
...tabilizerscan help reduce the discomfort of itchy, burning
eyes, sneezing and wheezing.For those who do not find relief with other medications, allergy injections canhelp teach the immune system not to be allergic. These injections are usuallygiven once a week for six months. If the patient is improving, the...
Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
...expanding eastward into forests and an increase in burning
of thistallgrass prairie," said lead author James ...lar-energy-trapping carbon dioxide from fossilfuel burning
-- will significantly increase temperatures worldwide over the nextcentury. The past climate changes...
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