Tag: "fire" at biology news

Of gallflies, bees, mosquitoes, and butterflies: researchers to discuss insects

... areas studied have been restored using prescribed fire and reduced tree densities, which has helped to increase species richness and abundance in the understory areas of the forests. Sampling done in the restoration zones showed a 100% increase in adult species and a 400% increase in butterfly numbers. ...

For peppers, hot quite literally the spice of life, UF research shows

GAINESVILLE, Fla. --- It adds the fire to chili and the hot to salsa, but what does the zing do for the pepper? As it turns out, quite a lot. Working with the ancestor of most varieties of chili pepper plants, a University of Florida researcher has shown that the plant relies on its spic...

Military foods could enhance soldiers' performance by 2025

...fratricide, and is known to the public as friendly fire casualties: confused troops firing on their own comrades. The NRC report recommends that soldiers' food could contain edible compounds, called biomarkers, that would be used to identify U.S. soldiers in combat or in peacekeeping actions. The report ...

UMass sponsoring world environmental conference

...illiam Sound. The Iraqis also set 613 oil wells on fire and destroyed another 140 wells, creating the largest manmade air pollution event in history. Although desert sands have reduced the visible evidence of the crude oil lakes, the ecological damage is still extensive. More than 100 square miles of oil...

Burning now an option to clean up ocean oil spills previously thought incombustible

...e from an adjacent deliberately set fire. "A small fire will not produce sufficient heat flux, but if the fire's size is sufficiently large, it will provide the needed minimum heat flux for the surrounding emulsion to ignite and burn. As the emulsion ignites, the fire's size will grow, providing an even ...

Montana drought sends paleontologists to field early for largest project in state's history

...s year. Drought and the potential for another bad fire season sent Jack Horner and his Montana State Univ...and Processing at Jordan. Lightning also started a fire that burned about 150 acres northwest of Brusett. MSU is in the third year of a five-year project ...

Scientists monitor global air pollution from space

...large metropolitan area, for example, from a major fire in a national forest. NCAR scientist Jean-Francois Lamarque helped create MOPITT's fully global maps of carbon monoxide by blending information from the satellite measurements with output from an atmospheric chemistry model developed at NCAR. "Most...

Prairie fire--UIC-style

...Chicago biologist, backed by a volunteer crew, set fire to dry vegetation on one of the last surviving pat...erve in the Chicago suburb of Glenview. Prairie fire can be as revitalizing as spring rain. It clears away foreign vegetation, releases nutrients for na...

Eye strips images of all but bare essentials before sending visual information to brain, UC Berkeley research shows

...sitive cells of the eye, the photoreceptors, which fire off signals to a layer of horizontal cells and thence to bipolar cells. Since 1969, Werblin has been recording from all retinal cells and has detailed how each cell type processes data from the photoreceptors. The bipolar cells funnel signals down th...

Tips from the journals of the American Society for Microbiology: February 2001

...ainst foodborne disease it may make sense to fight fire with fire. Researchers at the USDA Agricultural Research Service in Athens, Georgia suggest one way to fight Campylobacter bacteria contamination of chickens is with Campylobacter itself. They report their results in the February 2001 issue of the ...

Passport, please: A global strategy to curb invasive species

...nvaders. ``If we have a fire, then we send for the fire truck. People respond right away. But we have no s...be the need for a ``rapid response mechanism`` - a fire truck for invasive species. If nations develop the resources to react immediately to an invasion, th...

NTP completes 500th two-year rodent study and report; series is the gold standard of animal toxicology

...which was restricted in its use as a pesticide and fire retardant. *Benzene, an ingredient in gasoline, whose toxicity led to the collars around gas pump nozzles that limit inhalation while people fill up their tanks. *Phenolphthalein, the active ingredient in most over-the-counter laxatives at th...

Amazon roads may lead to peril for rainforest

...and enough that, over time, is more susceptible to fire or other devastation. "When you view these forests from a distance, they look OK, but when you stand in them, you can see they've been thinned, and that they've changed," he said. "You can see how they've been chewed up. It's like they have...

Neuroscience contest prompts 'thinking about thinking'

...to be very sensitive to the timing with which they fire off electrical signals to one another. The conventional view has been that networks of neurons respond only to broad differences in firing patterns - a slow series of electric spikes means one thing and a quick burst means another. Hopfield noted suc...

Scientists track phosphate to better understand global warming

... drier ecosystems, such as the Sierra Nevada where fire regularly occurs, it may be an important means by which phosphorus is released back to plant-available forms." While Cade-Menun studies land systems, Paytan, a marine biogeochemist, investigates the intimate interactions between the solid Earth and t...

PBBs in fire retardant associated with early menstruation in Michigan girls whose mothers were exposed in 1973

...that were contaminated in Michigan in 1973, when a fire retardant containing the chemical polybrominated ... Office of Research and Development. In 1973, a fire retardant containing PBBs, was mistakenly mixed with cattle feed in place of a feed additive. The ...

Food and the circadian clock

...ees who work on changing shifts, such as nurses or fire fighters, to acclimate their bodies to their schedules....

2000 FALL MEETING: updated press conferences, press registration, and other information

...ests. However, changes in the size and severity of fire could alter the recovery of forests after fire and the effects that these forests have on regional climate. Panelists: F. Stuart Chapin, Professo...

Unprecedented fire season in southern Africa aids air quality, climate change research

...RI 2000) field campaign. "But the southern African fire season we just observed may turn out to be an extr...nded Sept. 25. This year the southern African fire season peaked in late August and early September. The region is subject to some of the highest level...

Sifting through the ashes at Fire Conference 2000: the first national conference on fire ecology, prevention, and management

...invited to attend the first national conference on fire ecology, prevention and management. Participants and speakers include federal, state and local fire specialists, researchers, and managers, as well as fire researchers and managers from nongovernmenta...

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