Tag: "accidental" at biology news

New tool predicts how long pollutants will stay in soil

...icides and pharmaceuticals. Through intentional or accidental dumping, such contaminants often wind up in soil. Before approving new pesticides or making cleanup decisions, public officials need to know how long these chemical squatters will stay in the dirt. This requires an understanding of how these pollutan...

AGU journal highlights - 29 July 2004

...e: The 2003 North American electrical blackout: An accidental experiment inatmospheric chemistry Authors: Lackson T. Marufu, Brett F. Taubman, Bryan Bloomer, Charles A. Piety, Bruce G. Doddridge, Jeffrey W. Stehr, Russell R. Dickerson, University of Maryland,College Park, Maryland, USA. Source: Geophysical Rese...

Seabed secrets in English clay

...nig. "We found that their presence was not just an accidental find in a few samples, but corresponds to a recurring, ubiquitous process during deposition of those sediments." A casual look at a piece of sedimentary rock embedded with fossils suggests a broad-strokes picture of what organisms may have l...

Invasive species: A few bucks and a click away

... tropical and freshwater fish, the potential for a accidental or intentional release into the environment increases. Unlike many of the organisms transported in ballast waters, aquarium species are usually traded as adults, with only the hardiest fish and plants surviving collection and transport. These cond...

UN study shows environmental consequences from ongoing boom in personal computer sales

... equipment. While the microchip industry has fewer accidental injuries compared to heavy industries, concerns have arisen over whether possible health effects of long-term exposure of workers to toxic chemicals. Former workers in semiconductor fabrication facilities have filed lawsuits alleging that exposure to...

USGS March science picks

...ive Hawaiian forest birds were decimated after the accidental introduction of mosquito-transmitted avian malaria and pox to Hawaii last century. Native birds essentially "disappeared" from lowland forests, where climate is favorable for mosquitoes and disease transmission. Now a team of USGS scientists at the...

Turtles indeed in danger

... and predation. But turtles also die at sea due to accidental catches in fishing gear. In the March issue of Ecology Letters, Duke University researchers quantify incidental catch of loggerheads (Caretta caretta) and leatherbacks (Dermochelys coricea) in the global pelagic longline fishery. Despite infrequent ...

Human embryonic stem cells may promise medical advances

...transferred nucleus, or were they the result of an accidental "parthenote"--an artificially induced blastocyst resulting from an egg that began to spontaneously divide? To support their claim that the resulting stem cells came from the transplanted nucleus, Hwang's team completed DNA fingerprinting analysis, an...

Technique kills cancerous cells, leaves healthy cells intact

...gulfed by other cells. Necrosis is essentially an accidental breakdown that results in the spilling of cellular material that triggers an undesirable anti-inflammatory response. Compound 13-D was found to have the strongest cancer-killing effect and the only one to induce a cysteine protease known as caspase-3...

Diet may improve cognition, slow aging, and help protect against cosmic radiation

...rotect your brain if you should suffer a stroke or accidental head injury? Or keep your thinking and memory skills strong as you age? Some scientists believe it might. They even think eating the "right" foods --specifically, those high in antioxidants -- may help defend astronauts from brain-damaging cosmic ra...

Case researchers discover the mouth's defenses against AIDS

...d may promote rapid healing from food abrasions or accidental bites to the tongue and mouth. "It is the unique properties of the good bugs found in the mouth that are inducing the expression of hBD2 and 3," stated Aaron Weinberg, director of research at the Case School of Dentistry. The study, entitled "Huma...

Hospitalization injuries prove costly to patients, health care system

... 17 other PSIs were used for this study, including accidental puncture or laceration, postoperative hemorrhage, complications of anesthesia, and postoperative respiratory failure. The study used a case-control methodology where each medical injury case identified was compared to up to four control patients fro...

Tufts University wins $25-million NIH contract

...cause disease in food or water suspected of either accidental or deliberate contamination. They also will rank the pathogens according to their significance--including how often they occur every year in the U.S., whether they are contagious and can cause clinically serious human infections, and if bioterrorist...

Infants more vulnerable to serious brain injury from falling than previously thought

...help child abuse investigators distinguish between accidental and intentional injury. Whitaker investigator Sus... These findings may also help distinguish between accidental falls and injury sustained by intentionally striking a child's head against a hard surface, although...

Manatee's cousin faces extinction on Tanzanian coast

...is the result of hunting and other threats such as accidental entanglement in fishing nets and the destruction of coastal habitats with seagrass, the dugong's primary food source. This decline has occurred in spite of the fact that the species has been nationally protected since 1970. On the international level...

Plant genes imported from unrelated species more often than previously thought, IU biologists find

...ia and fungi pack errant genetic material, or that accidental cross-species mating may play a role. However it happens, Palmer said there is no question it doeshappen. Many scientists have reported unexpectedly finding one species' gene in another species with no reasonable explanation except horizontal gene tr...

Hospitalized children experience medical errors at the same rate as adults

...s can involve everything from medication errors to accidental cuts and fractures during a procedure. "The ability to provide the safest medical care is shifting from an emphasis on expecting perfection in individuals, to changing those systems in which they work, reducing risks by factoring in their possibilit...

No detectable risk from mercury in seafood, study shows

...developing child. Their study of the victims of an accidental mercury poisoning event in Iraq more than 30 years ago spurred them to start the Seychelles study to try to pinpoint the levels at which mercury poses a danger. Now the team is launching a new study in the Seychelles to compare the levels of nutrien...

Nick Smith (R-MI) honored by 2 science coalitions in D.C.

...o worked to improve the nation's ability to combat accidental or deliberate introductions of plant diseases. The BESC/CoFARM breakfast event honoring Chairman Smith also featured a short session presented by Adrienne Froelich, Director of Public Policy at the American Institute of Biological Sciences and Co-Cha...

Natural Science and Public Health: Prescription for a Better Environment

...work to monitor the quality of drinking water from accidental or intentional contamination. By upgrading current water quality monitoring stations with new sensor technologies as they become available, by adding new stations at key locations, and by linking the network to satellites, the team intends to make d...

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