Tag: "fuel" at biology news
Researchers Find Possible New Route to Making Cancer Cells Vulnerable
...by removinga vital part, like a valve from a car's fuel
pump. "Cyclosporin-related drugs are now being tested for their ability toreverse chemotherapy resistance in cancer patients, but little had beenknown about how these common immune suppressants work in this setting,"Heitman said. "Our findings shed ...
Bark Beetle Infestation Spurs Multifaceted Study
...f the forests were last cut140 years ago to supply fuel
and timbers for mining the Comstock Lode nearVirginia City, Nev. In the early 1900s, fire eradication on federal landbecame mandatory and most state and local governments followed suit. The regrown forests are now 120 years old and are two to ten t...
Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...cts to aberry-rich diet to store sufficient fat to fuel
their grueling migration. Thestudy also shows migr...ervation--and providing thebirds with the critical fuel
for a long journey south." Parrish recently received his doctorate from Brown in ecology andevolutio...
Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...survive."However, the fallen debris provides ample fuel
"that ignites in thenext dry season," she added. "And only 15 percent of the treessurvive the subsequent fire." But the odds are especially good that mature mahoganies will be left standing."They're very good survivors," with large buttresses, aerod...
Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...nts causing murkywater are actually nutrients that fuel
the growth and number of tiny plantsat the bottom ...model predicts that increasedplant production will fuel
growth of herbivores to the extent that the planteaters munch all the extra food, resulting in no ne...
Bacterium gobbles up chlorinated pollutants
...d pits where crash-and-rescue personnel dumped jet fuel
for firefighting practice -- and threw in leftover chlorinated solvents "to get rid of them." If chlorinated solvents were that easy to destroy, Gossett said, then tetrachloroethene, trichlorothene and other related chemicals would not be the number-...
UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
...y for pollutants to be removed from the air as its fuel
is produced. "If you're going to talk about a trul... exchanger pulls liquid nitrogen from an insulated fuel
tank through a series of aluminum tubing coils and specially designed pipes. Engine exhaust and outs...
Penn State Researchers Study Used Mushroom Compost
...nmental Chemistryand Geochemistry and professor of fuel
science and geosciences and chemistry."The spent mushroom substrate must be weathered for two years before it can bereused." The mushroom industry has identified potential uses for this substrateas a soil amendment or potting media, in mine ...
Scientists To Study Effects Of Global Warming On Wetlands
...fensis important because peat is a major source of fuel
and fertilizer in Canada and parts of Europe. "If we can predict peat productivity for the next 50 years, that will be a significant factor for consumers," he said. The project is being supported by a $1.2 million grant from the NationalScien...
Banning Chemicals To Protect Ozone May Aggravate Global Warming
...elf," Wuebblessaid. "High efficiency also reduces fuel
and other resource requirements. "It is probable that HCFC-123 and several other CFC replacementswould have survived the ban if the global warming regulations had been implementedbefore the ones for ozone," Wuebbles said. "With keener awarenessof t...
Biodiversity Worth $2.9 Trillion
...20 billion worth of soil and $9 billion in tractor fuel
every year in the U.S., according to the analysis. Genes for perennial cereal grains already exist in wild plant species, they said, estimating the worldwide value of a perennial grain system at $170 billion a year. "We hope assessments such as this...
National Laboratory Known For Environmental Technology Directing Attention On Solving Agriculture And Food Processing Problems
...sic science--Efforts to convert animal manure into fuel
oil evolved into aproject known as "Fundamental Chemistry of Biomass Conversion," which lasted forover 10 years and was a mainstay of the section. Work in this area eventuallyled to new sewage sludge recycling and disposal techniques, successfulcoll...
Drivers Should Pay More Of Environmental Costs, Report Says
...impact of full cost pricing on travel patterns and fuel
emissions. Full cost pricing refers to charging ro...ictims and the damage caused to the environment by fuel
emissions. The report analyzed the effect of three factors -- an increase in the price of automobile...
Global Change: Will Some Plant Species Be Left Behind? Studies Of EcosystemDynamics Make Wide Use Of Computer Models
... as a 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 ch...
Growth Factors Shown To Increase Vitamin C In The Immune System
...e glucose-- a process that increases the metabolic fuel
available for cellular function.One of those growth factors, called granulocyte-macrophage colony-stimulatingfactor, or GM-CSF was purified in Dr. Golde's laboratory in 1984 and isbeing used in the treatment of cancer patients to help boost their imm...
Research Reveals Link Between Development And Contamination In Urban Watersheds
...ere, PAH'S-containing roadrunoff, and occasionally fuel
spillage. These diffuse, nonpoint sourcesare like...ced in large quantities from pointsources such as fuel
refining, the conversion of coal to synthetic naturalgas, and creosote plants. "We have no indicati...
EPA Should Redirect Some Research on Toxic Airborne Particles
...processes, forest fires,automobile exhaust, fossil fuel
combustion, wind erosion, and a variety of othersources. The standards were changed after several epidemiological studies foundassociations between exposure to the particles and serious health consequences,including the exacerbation of asthma and ot...
Ameriflux Network Will Track CO2 Transfer In Forests
...on dioxideand other "greenhouse gases" from fossil fuel
emissions. These greenhouse gasestrap heat in Earth's atmosphere and prevent it from radiating back out intospace. Scientists also know that growing plants take in carbon dioxide duringphotosynthesis. What no one knows, however, is how much CO2 is ...
New Species Of Winged Dinasaur Named For Yale Professor
...tely different creatures. Adding even more fuel
to the debate is the recent discovery in China'sGobi Desert of a flightless, turkey-like dinosaur that was able to move itssnout up and down like a bird. Some scientists believe that this creature,named Shuvuuia deserti -- which also lived about 70 ...
Weary Tibetan People Find Supporting Hand In ASU Graduate Student
...tops in the spring and fall. They use yak dung for fuel
and smoke it in their pipes. "They been living on sort of a knife's edge for the last 30 years," said Andrew Smith, an ASU biology professor and Foggin's thesis advisor. Old grazing practices have changed for the nomads as grasslands have been degr...
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