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Tag: "mercury" at biology news

Survey finds silver contamination in North Pacific waters

...ous studies by Flegal's group have also found high mercury levels in rainfall on the U.S. West Coast, which t...human health concern. But silver is second only to mercury in its toxicity to marine invertebrates," Flegal said. Sam Luoma, a U.S. Geological Survey scientis...

Industrial contaminants spread by seabirds in High Arctic, new Canadian study shows

...is to elevate concentrations of pollutants such as mercury and DDT to as much as 60 times that of areas not i...r northern Canadian populations are among the most mercury and PCB-exposed people on the globe." Dr. Mallory has led a team of researchers studying the Cape V...

Argonne researchers confirm lead in Beethoven's illness

...rs found no detectable levels of either cadmium or mercury ?both considered possibilities for causing Beethoven's illness ?in either the bone fragment or the hair. "The finding of elevated lead in Beethoven's skull, along with DNA results indicating authenticity of the bone/hair relics, provides solid evide...

Marine mammals are on the frontline of failing ocean health

...ith different diets. Levels of organohalogens and mercury are higher in animals like polar bears and seals that have fish and marine mammal-based diets, while cadmium (a heavy metal associated with bone and renal disease) is higher in organs of mammals with invertebrate-based diets. "The issue is to un...

Albatross study shows regional differences in ocean contamination

...cumulate toxic contaminants such as PCBs, DDT, and mercury in their bodies. A new study has found dramatic differences in contaminant levels between two closely related albatross species that forage in different areas of the North Pacific. Researchers also found that levels of PCBs and DDT have increased in ...

Vegetables inhibit growth of prostate cancer in mice with human tumors

...cumulate toxic contaminants such as PCBs, DDT, and mercury in their bodies. A new study has found dramatic differences in contaminant levels between two closely related albatross species that forage in different areas of the North Pacific. Researchers also found that levels of PCBs and DDT have increased in ...

Precision biochemistry tracks DNA damage in fish

...s (PCBs), polycyclic aromatic hydrocarbons (PAHs), mercury and other metals, and phthalates. In previous research on Duwamish fish, PNRI used an infrared spectroscopy method to document DNA damage in the gills of English sole. In a new joint paper, the researchers report on several biomarkers, including pol...

Study finds mercury prevalent in many western fish

...eams in the western United States found widespread mercury concentrations in fish. Though few of the more th... such as salmonids." The researchers found that mercury levels were much higher in the larger fish-eating species, including bass, walleye, northern pike an...

Hotspots of mercury contamination identified in eastern North America

A US and Canadian research team surveying mercury contamination in fish and birds in the northeaster...mplex processes that move atmospherically released mercury through the environment, and from site-specific characteristics such as the high sensitivity of wetl...

Mercury contamination of fish warrants worldwide public warning

The health risks posed by mercury contaminated fish is sufficient to warrant issuing...est scientific knowledge about the danger posed by mercury pollution. It presents 33 principal findings from five synthesis papers prepared by the world's lea...

Woman's Day and For Womens of Science

The health risks posed by mercury contaminated fish is sufficient to warrant issuing...est scientific knowledge about the danger posed by mercury pollution. It presents 33 principal findings from five synthesis papers prepared by the world's lea...

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