Tag: "fire" at biology news
Satellite fire alarms keep watch on raging California fires
...d miles below. Within 15minutes, the location of a fire
shows up in a map on the Internet, and theextent o...great benefit to the U.S. forest serviceduring the fire
season," said Flynn, who has used the system to monitorburning in the Amazon for the past two years....
Forest fires a burning issue
While the widespread, destructive fire
ravaged Tyresta national park, close toStockholmla...na. This was probably the biggest managed wildland fire
ever in Europe with anenvironmentalperspective. Helvetesbrännan consists of large inaccessible ...
A few gut parasites could do you the world of good
...inflammatory agents such as gamma-interferon,which fire
up the activity of white blood cells called macrophages. "As we'vede-wormed, people have developed immune systems which are not damped," he says. The six patients in the initial trial were chosen because steroids andother drugs designed to da...
Nerve cells with stoppage: Evidence for a molecular key step in the process of signal transduction between nerve cells
...able to signal, just like a loadedrevolver can not fire
if it is not cocked."...
Groundwater impacted by fire-fighting foams
...ronment, shesays. The surfactants associated with fire
training activities may also occurwith other pollutants, such as fuel components and solvents, so it is importantto determine if the AFFF surfactants affect the transport and biodegradation ofother contaminants, according to Field. The risk that the...
NCAR scientists seek clues to wildfires during Alaska prescribed burn
...fire offers the possibility of studying an intense fire
withuniform fuels in a location where, with good l...at results from fire-atmosphereinteractions affect fire
spread. To understand those effects, the teammust first see how fire
fronts lap at, or "finger," unb...
Protein studies reveal sophisticated control of nerve communication
...ing along a nerve, how rapidly the neuron needs to fire
and thenget back to the resting state," he pointed...le, nerve cells in the brain's hippocampusbegin to fire
off electrical impulses, storing one step of the instructionsafter another for later recall. One sti...
USGS study casts doubt on role of fire suppression in causing catastrophic shrubland wildfires
It is well known that fire
suppression in forests has led to an increase inca...ecent USGS study has found that urbansprawl -- not fire
suppression -- is largely responsible for the wildfires thatoccur in the shrublands of southern and ...
Marine Life In South Pacific Region Found To Be Impervious To Oceans' Highest Arsenic Levels
...g from the vents into the water with the forceof a fire
hose. The measured arsenic levels were more than 400 times that of the trace amountsof arsenic normally found in seawater, according to the University of Ottawa'sThomas Pichler, Ph.D., lead author of the study. Capable of causingneurological damag...
UV Rays, Fire And Flame Retardants To Be Reviewed For Possible Listing As Carcinogens, NTP Announces
...g, according to theannouncement, are: The fire
retardant chemicals 2,2-bis-bromomethylpropanediol and2,3-dibromo-1-propanol, as well as vinyl bromide, a chemical used in the makingof flame-retardant synthetic fibers. Vinyl fluoride, used in the production of plastics. Two cla...
Scientists Use Fossilized Emu Eggshells To Discern Changes In Vegetation, Provide Additional Evidence Of Human Impact On Australian Landscape
...hangesin burning regime. Additional vegetation and fire
history records from northern and centralAustralia are needed to prove these hypotheses, the researchers say. The work reported in Science was funded by the National Science Foundation andthe Carnegie Institution of Washington's Geophysical Laborator...
Suppression Of Natural Fires Harms Squirrels
...squirrel populations. -- Reintroduction of fire
into the ecosystem to restore nativevegetational s... by lightning. Ironically, we'vebecome so good at fire
suppression that many forests are tinder boxes ofunderbrush and non-native vegetation. Now, when a ...
Coffee Without Addiction, Possible New Treatment For Osteoporosis, Wrinkle-Free Cotton, And More
...earch will be reported on polymers that can resist fire
and give off watervapors, providing a possible new tool in reducing the 40 percent of deaths dueto fire
in aircraft accidents that are otherwise survivable. Popular Nutrition Supplement May Pose Cancer R...
Tip Sheet: Papers Of Interest, 95th Annual Meeting, Association Of American Geographers
Sound maps, fire
risk mapping, and declassified satellite images of...ographers are using satellite image data in remote fire
riskmapping, which incorporates analysis of fire
severity and firespread patterns to pre...
Major Set-Back To Ozone Layer Recovery
...O Atmospheric Research. Emissions of halon-1211, a fire
retardant, are increasing at the rate ofapproximately 200 tonnes per year, based on measurements in the atmosphere madein Tasmania. Until now, Montreal Protocol calculations assumed that halon-1211 had peaked in1988. In fact, emissions have since ris...
Sandia Decontamination Foam May Be Tomorrow's Best First Response In A Chem-Bio Attack
...reatly simplify deployment considerations." Like a fire
retardant, the foam could be sprayed from handheld canisters. (Italso works as a fire
retardant.) For open areas, airports have trucks that candispense foams over runways. Ideally, tanks...
Mojave Desert Is Subject Of Las Vegas Science Meeting
...sert fishes, riparian systems, exotic plants, fire
history, effects of fire, ecosystem processes, restoration and recovery and agency and institutional overviews. As principal sponsor of the symposium, the USGS Western Ecological Research Center will highlight the studies of ...
Global Climate Change Model Predicts Changes In U.S. Ecosystems
...bution and vegetation productivity. Disturbance by fire
should be thrown in as a third ingredient. You can then make quantitative predictions about vegetation, natural disturbance, and hydrolic change. In the future, these new dynamic models will allow you to get feedback between vegetation and the atmosp...
University Of California Researchers Call For Changes In Management Of Agricultural And Environmental Resources In 21st Century
...biodiversity and open space and as a way to reduce fire
hazards. Ranchers,including a representative with the California Cattlemen's Association;university ecologists and public policy experts; and a spokesperson with TheNature Conservancy explore the political and ecological dimensions of grazing onCali...
Fossil Eggshells Hold Clues To Major Animal Extinctions As Reported In Science
...uthors speculate that humans disrupted the natural fire
cycleby burning the landscape periodically. This, in turn, may have decreased thevegetation necessary for animals like Genyornis . The findings imply that evenlow-technology human impacts can have large-scale environmental effects. More work is nee...
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