Tag: "mines" at biology news

Purdue-Made Soil Benefits The Environment

...al use. "There are a number of sites, such as coal mines and gravel pits, where land has been depleted," sh...orated this material into coal slurry ponds at the mines to determine if we can reclaim the acid-saturated land, which won't support vegetation," Mikesell sa...

Limits Of Life On Earth: Are They The Key To Life On Other Planets?

...e than 10,000 feet below the surface: in the gold mines of South Africa. Reconnaissance samples taken from a hole bored into a uranium-rich, gold-bearing mine in South Africa have shown the presence of intact microbial cells. Onstott will examine the relationship between mineralogy and bacteria living i...

Researcher Discovers Plant Genes For Phosphate Uptake

... Based on currently known reserves, rock phosphate mines will be depleted by 2090, according to calculations by a Canadian researcher in 1996. Among the big three nutrients -- nitrogen, phosphorus and potassium -- phosphorus is the hardest for plants to get out of soil. The degree of phosphorus availabilit...

Poison-Eating Bugs Strike Gold

...e, it will make the water completely re-usable by mines that bioleach refractory ores prior to cyanide gold extraction. Quality water is scarce in WA's gold-producing regions - and any technology which allows us to recycle it will benefit both the industry and the environment." Dr Franzmann says the...

Models Assess Remedial Actions On Abandoned Mine Lands In Colorado

BOSTON-Cleaning up where the mines left off is where some scientific mindsare focused this week. Robert Runkel, a U.S. Geological Survey hydrologist based in Denver, Colo.,will present Modeling the Effects of Proposed Remedial Actions on StreamChemistry in Abandoned Mine Lands durin...

High Carbon Dioxide Levels May Be Killing Insects

... with normal CO2 levels. Thedeaths within the leaf mines probably resulted from malnutrition, Stiling says.Plants in high CO2 conditions grow bigger and faster, but their lower nitrogencontent makes them poorer nutritionally. Author: Kurt Kleiner New Scientist issue 15th August 98, page 10 PLEASE M...

Highlighting USGS Science At ACS

...ucted pits, ponds, and landfills, or in abandoned mines and quarries. The primary environmental concern associated with these disposal sites is the potential for ground water contamination. Uranium is one of the more soluble and dispersible of a group of toxic trace constituents present in fly ash. Loca...

Bat Sonar Sharper Than Thought; Much Better Than Man-Made Gear

...to build asonar system that would find these mines without the need for dolphins ordivers," Simmons said. Dolphins and bats have similar high-quality sonar, but batsare easier and more practical to work with in the lab, he said. Bats primarily "view" their environment through sonar...

Aluminum Wastes Could Soon Be Converted To Commercial Use

... industry is under increasing pressure to backfill mines andquarries that are no longer profitable. With foaming concrete, the mines andopen pits can be filled with half the amount of cement used with standardconcrete. And the constr...

Sandia, University Of Montana Researchers Try Training Bees To Find Buried Landmines

...g bees can reliablyand inexpensively detect buried mines and safely returnhundreds of thousands of acres of...roject, says Bender, is todetermine whether buried mines are present in large areas byestablishing beehives near the suspected mines, monitoringbees' flight ...

African dust called a major factor affecting southeast U.S. air quality

..." dust in the air, as contrasted with dust in coal mines andother contained industrial environments. Further, it has not been shown which,if any, specific components of dust may affect human health. Various mechanismshave been proposed by which airborne particles might damage lung tissue, one ofwhich invol...

Carbon diem: Grants awarded to research that seizes excess carbon dioxide

...its collection -- such as by injecting it into old mines or into briny aquifers, or by replacing drilled oil with the gas. These INEEL carbon sequestration projects include developing membranes for filtering carbon dioxide from methane and gas streams, developing a vortex tube to spin out carbon dioxide f...

Cadmium makes brittle bones in Rocky Mt. birds

... the bird with extinction. Cadmium from abandoned mines may also affect other wildlife species in the area, including deer, elk, moose, rabbits, beaver and other birds, the researchers predict. "Even humans in the region may not be immune to the effects of cadmium," said James R. Larison of Cornell and Or...

Cadmium toxicity threatening wildlife in Rocky Mountains

...ho has returned to the OSU faculty, said abandoned mines throughout this area have "exacerbated the problem." Though cadmium is natural to the area, he pointed out, mining tends to mobilize potentially toxic metals. "Cadmium poisoning originally was discovered in Japan, with rice acting as a biomagnifier,...

Dogs have a nose for it

... group's artificial nose has successfully detected mines in a test field. Now he is working on improving it-and it still has some catching up to do, as its canine competitor is between 10 and 50 times more sensitive....

Humans at work and play in high altitude environments

...est. They live at sea level and commute to copper mines located above 15,000 feet. The high altitude exposure has impaired the miners sleep quality, mental performance, productivity and general well-being. Another AAAS presenter on Feb. 18 was Cynthia M. Beall, Ph.D., S. Idell Pyle professor of anthropo...

"Microbes deep within South African gold mines" subject of NSF lecture

...crobial communities that live deep within the gold mines of South Africa at the National Science Foundation...t, however, because coring is expensive. The gold mines of South Africa provide a unique opportunity to study microbes at depths ranging from 2,000 to 3,500...

Scientists share multidisciplinary discoveries at 'Earth System Processes'

...n for a deep, hot microbial biosphere in deep gold mines in South Africa. Malcolm Walter, Australian Centre for Astrobiology at Macquariue University, will talk about a variety of fossil biosignatures in billion-year-old-plus deep-sea vent deposits in Australia. Beda Hofmann, from the Natural History Muse...

PNNL captures picture of fish passage with acoustic camera

...to use in underwater surveillance to detect limpet mines attached to hulls of ships. In 1999, Moursund recognized the potential application for fisheries issues and, with the system's designer, Ed Belcher, tested the acoustic camera at PNNL's aquatic research center in Richland. Earlier this spring, PNNL r...

Humboldt awarded for study of acid-mine drainage in Germany

...ociated with working and abandoned sulfide-bearing mines and mining wastes are among the most complex, dynamic, and environmentally important of all near-surface rock-water systems," according to Hochella. "These mining sites, numbering more than 200,000 in the United States and Germany alone, typically r...

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