US ecology dramatically altered by fertilizers and acid rain
...cting the research. In North America the ground is tainted with large amounts of inorganic nitrogen from widespread use of nitrogen-heavy fertilizers, as well as acid rain brought on by fossil fuel burning. In the South American areas the researchers studied, there is no fertilizer use and almost no influx o...UT Southwestern researchers link human lymphomas to polio vaccine tainted with monkey virus
...0 million people may have been vaccinated with the tainted serum. Persons born after 1963 also have been found to carry the virus, but scientists are uncertain how the virus was transmitted to them. Estimates for the number of carriers range between 2 percent and 13 percent of the population, although large ...Medicated ecosystems: Human drugs alter key aquatic organism
...ave found more evidence that lakes and streams are tainted by common drugs, ranging from caffeine to anticanc...ut, as Flaherty points out, Daphnia swim in waters tainted with not just one drug, but many: "Some of these drugs may not have significant effects by themselve...Arsenic in Bangladesh drinking wells may be linked to crop irrigation, MIT study finds
...de that replacing 31 percent of the country's most tainted wells with deeper wells will eliminate about 70 percent of the illness, assuming that arsenic levels remain low in the deep wells. Arsenic poisoning, usually characterized by sores on the chest, or blackened knotty palms, and cases of skin, lung, liv...Cincinnati engineering study finds clue to Bangladesh's poisoned water
...ause immediate death. The cumulative impact of the tainted water supply, however, can lead to skin cancers and other disorders. Islam and his colleagues find that these elevated arsenic levels appear to be linked to dry-season irrigation pumping, which carries water from below ground to where it is needed t...System failure to blame for Walkerton, North Battleford outbreaks, says U of T study
...esearchers suggests that front-line workers in the tainted water tragedies of Walkerton, Ont., and North Battleford, Sask., were not solely to blame for the outbreaks. Instead, say the researchers, water contamination resulted from many failures in a complex system involving workers, local governments, regu...Researchers learning how food-borne bacteria make you sick
...trains can enter the brain within 72 hours of when tainted food is eaten. "This study gave us a good idea of how different Listeria strains bind to intestinal cells and how that relates to infection," he said. "If we understand enough of the mechanism of bacterial adhesion to cells before it actually causes ......across hundreds of kilometres. The sandstorms are tainted with pesticide residue and have been linked to high regional rates of respiratory illnesses and certain types of cancer. The salty dust does harm to livestock pastures and has even been linked with melting glaciers up in the distant Pamir Mountains, ...Measuring perchlorate levels in lettuce
...has accumulated in soils and to what extent it has tainted local groundwater sources. He has recently teamed ...ive source contribution is, both from water that's tainted with perchlorate and from food that's tainted with perchlorate."...Bacteria lingering in body may pose future food poisoning risks, Stanford study finds
...nd immunology. Until now, it had been thought that tainted food came primarily from infected animals or from soil or water harboring the hardy bacteria. Hardy and colleagues at Stanford and Xenogen Corp. used a unique imaging technique to track the ebb and flow of Listeria infection in live mice. They tagged...Best way to clean up toxic plumes? Give 'em a pill
... tapered candle, to experimental tanks of wet soil tainted with the solvents trichloroethene (TCE) and perchl...." Current waste treatment methods include pumping tainted water out of the ground and treating it at the surface. "This requires a constant source of electric...Researchers make major gain in understanding how prions jump species
... have been transmitted to humans by consumption of tainted beef products. The first case of mad cow disease in the United States, reported last year, is having a major impact on the beef industry with calls for widespread testing of cattle. The findings by the Case team provide fundamentally important insig...Indiana University, EPA to study airborne PCBs
...severely limit their consumption of fish caught in tainted waters. The Great Lakes Basin is inhabited by about 10 percent of the U.S. population and about 25 percent of the Canadian population. The lakes also account for 18 percent of the world's freshwater supply. "Protecting the Great Lakes' water quality ...High resolution satellite imagery assists hunt for infectious 'kissing bugs'
... child transmission like during breast feeding and tainted blood transfusions. Infection by this Trypanosoma cruzi parasite may cause short-term symptoms including fever, tiredness and brain swelling. However it is the longer-term symptoms that are most serious: ten to 15 years after initial infection the he...Cancer vaccine based on pathogenic listeria bacteria shows promise targeting metastases
...cluding several children, died of listeriosis from tainted hamburger, forcing the largest meat recall in history. Several thousand people come down with listeriosis each year, and several hundred die from it. But the disease kills primarily those with compromised immune systems; in most people, it is quickl...