Tag: "air" at biology news
Scientists identify genes that regulate allergic response to diesel fumes
...eopardy of experiencing health problems related to air
pollution. The study is published in the Jan. 10 i...STP1--reacts to diesel exhaust particles, a common air
pollutant. The body generates antioxidants to detoxify harmful particles and limit the corresponding...
Endurance of plants under quartz rocks possible model for life on early Earth, Mars
... nitrogen they needed for growth directly from the air
like some less primitive plants are also able to do. The UC Santa Barbara researchers found that the pebbles did not filter out more ultraviolet rays than they did other wavelengths of sunlight, meaning that quartz did not provide an especially prot...
Story tips from the Department of Energys Oak Ridge National Laboratory, January 2004
...nues to gain momentum. The house boasts impressive air
tightness in addition to an advanced ventilation system that controls mold, mildew and moisture. A main feature of the house, located in Lenoir City, Tenn., is a second-generation heat pump water heater integrated with the refrigerator and insulated ...
American Society for Microbiology publication provides guidance for shipping biological agents
...pment of dangerous pathogens and toxins by land or air
carriers are required to comply with detailed and sometimes confusing national and international transport regulations. Cumitech 40: Packing and Shipping of Diagnostic Specimens and Infectious Substances summarizes the most recent regulations and pr...
Academy Harbor Consortium releases letter on mercury to President Bush
... Our studies indicate that control of mercury air
emissions starts a clear sequence of events that c...er protect public health: early control of mercury air
emissions will lead to reduced atmospheric deposition of mercury to surface waters where mercury mov...
Kyoto and beyond
...level could rise by about 8 meters and the average air
surface temperature by about 9 degrees Celsius in the later part of this millennium. Because of the long residence time of CO2 of more than 100 years in the atmosphere, climate response is governed by cumulative rather than current CO2 emissions. Im...
Researchers probe how microbes speed up acid production at mining sites
...rth and its environment. In mines, oxygen from the air
initiates chemical reactions with pyrite, also known as fool's gold. Microbes subsequently react with the pyrite in cyclic processes that result in the rapid production of large amounts of sulfuric acid. The research team wanted to understand how th...
Improved guidance systems for missiles will reduce collateral damage
...displays of important flight information including air
traffic and terrain features that give pilots time to adjust their flight plan. "Pilots and battlefield commanders have several satellite communication systems that link them to different military units," notes Valenti. "However, the U.S. government ...
Common airborne substance makes asthmatics more sensitive to house dust mites: study
...sed into the environment, finding its way into the air
and dust. "We know that asthmatics can have asth...ration of allergen compared to previously inhaling air
without endotoxin," he said. The findings have implications for air
pollution exposure, "in par...
Beetles could prove a hit with the aircraft industry
...ircraft engine which has cut out, when the outside air
temperature is as low as minus50 degrees Centigrade! Due to start early next year, this innovative 3-year project at the University of Leeds is being funded by the Engineering and Physical Sciences Research Council (EPSRC). The bombardier beetle de...
A new hope for heavy metal contaminated soils
...to drinking water resources, food chain safety and air
quality. The clean-up of metal-polluted soils is thus of great interest economically as well as for the protection of human and environmental health. Scientists at the Max Planck Institute of Molecular Plant Physiology in Potsdam and at the Leibniz I...
Childhood sleep-disordered breathing severity related to tonsil size, oropharyngeal volume
...rs found that children with a narrow "retropalatal air
space," defined as the ratio of the retropalatal a... midline to the ears bilaterally. To highlight the air
spaces, longitudinal relaxation time (T1)-weighed axial and sagittal spin-echo images were obtained ...
Mercury in ocean fish may come from natural sources, not pollution
...g from," Morel says. Mercury concentrations in the air
are of little concern, but when mercury enters water, microorganisms transform it to a highly toxic form methylmercury that builds up in fish. Unfortunately, scientists are not yet able to measure methylmercury in ocean surface waters, so Morel...
Solution to hospital infections could be in the air
...his found that using ionisers to negatively charge air
particles in an intensive care unit prevented all ...al and physical processes associated with negative air
ionisation and airborne transmission of infection, and establish guidelines for the effective use of...
$51 million research facility, classroom complex breaks ground at UH
...ment insulated from vibrations, as well as special air
filters to remove dust particles. For additional information about the SERCC, including graphics of the complex, visit http://www.uh.edu/media/serc . WHO: Cesar Pelli and Fred W. Clarke, chief architects of the complexBoth are available for int...
Edible urban plants found to contain lead
...ast use of lead-containing gasoline and industrial air
pollution. Lead in soil does not biodegrade or decay. The study grew out of an earlier federally funded, two-year phytoremediation project in Chicago's West Town community in which Gray and colleagues wanted to see if green plants could remove lead ...
Over land, sea and air, users give MERIS high marks
...on of atmospheric constituents. Something in the air
"MERIS was not originally envisaged as an atmospheric sensor, but we have found it works very well as one," said Prof. Jan-Peter Muller of University College London. "For instance, we can detect surface and cloud top pressure up to an accuracy of 1...
Physics tip sheet #39 - Nov. 17, 2003
...r drops sharply with inclusion of just a few small air
bubbles, according to a new calculation. Being abl...res is critical for meteorology, oceanography, and air
and sea navigation. The paper derives the first exact formula for the speed of sound in any mixture ...
ESA's first step towards Mars Sample Return
... ascent vehicle. Other samples of Martian soil and air
may also be gathered and stored inside the canister. Carrying its precious samples, the MAV will lift off from the surface, then rendezvous and dock with the spacecraft in Martian orbit. After receiving the canister loaded with Martian rocks, the sp...
Novel sensors help clear the air
...t industries to use technologies that will control air
toxics discharge. "As required under the Act, the ...et control technology requirements for these toxic air
pollutants," states Technical Insights Analyst Miriam Nagel. "The EPA is required to develop regulat...
1 2 3 4 5 6 7 8 9 10