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Arsenic in field runoff linked to poultry litter

Fields amended with poultry litter can accumulate significant levels of arsenic, according to studies by USDA-Agricultural Research Service (ARS) scientists and associates. These findings provide key...

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Researchers probe arsenic effects on cells, immune system

(PhysOrg.com) -- In continuing research on the effects of arsenic on mast cells, which help regulate the body’s immune system and organ function, University of Maine biochemist Julie Gosse and a team...

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Accessing the risk of arsenic ingestion with mineralogy

Canadian researchers working at Brookhaven's National Synchrotron Light Source (NSLS) have created a method for determining how much of the arsenic in soil tailings -- byproducts of the mining industry...

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Scientists solve mystery of arsenic compound

Scientists have solved an important mystery about why an arsenic compound, called arsenite, can kill us, and yet function as an effective therapeutic agent against disease and infections.

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Link found between arsenic in drinking water and strokes

(PhysOrg.com) -- A new study in Michigan in the U.S. suggests the presence of moderate levels of arsenic in drinking water could increase the risk of strokes.

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Arsenic early in treatment improves survival for leukemia patients

Arsenic, a toxic compound with a reputation as a good tool for committing homicide, has a significant positive effect on the survival of patients with acute promyelocytic leukemia (APL), when...

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Using plants against soils contaminated with arsenic

Two essential genes that control the accumulation and detoxification of arsenic in plant cells have been identified. This discovery is the fruit of an international collaboration involving laboratories...

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Heavy metals in seafood: Satisfactory results of interlaboratory comparison

Fifty-seven laboratories from 29 countries volunteered to put their measuring competence to the test. Each laboratory received a sample without knowing the levels of heavy metals present, and was asked...

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Scientists look deeper for coal ash hazards

(PhysOrg.com) -- As the U.S. Environmental Protection Agency weighs whether to define coal ash as hazardous waste, a Duke University study identifies new monitoring protocols and insights that can help...

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Arsenic-polluted water toxic to Bangladesh economy

The well-reported arsenic contamination of drinking water in Bangladesh – called the "largest mass poisoning of a population in history" by the World Health Organization and known to be responsible for...

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New life form found on Earth: Deadly arsenic breathes life into organisms...

(PhysOrg.com) -- Evidence that the toxic element arsenic can replace the essential nutrient phosphorus in biomolecules of a naturally occurring bacterium expands the scope of the search for life beyond...

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3 Questions: Sara Seager on the discovery of a 'new' form of life

Yesterday, NASA announced the discovery of a bacterium that can grow on a diet of arsenic and thus doesn't share the biological building blocks traditionally associated with all life forms. The...

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Critics raise doubts on NASA's arsenic bacteria

(PhysOrg.com) -- NASA’s announcement last week that bacteria had been discovered that appeared to replace phosphorus with arsenic and thrive even in the most poisonous environments, has now come under...

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LU researcher: NASA's ET hype does disservice to science

NASA researchers recently unveiled a major discovery -- the first identified microorganism on Earth able to thrive using toxic arsenic rather than phosphorus, which forms the DNA-backbone of all other...

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NASA's arsenic-eating life form gets a second look

Soon after NASA-funded researchers announced this month they had found a new life form that thrives on arsenic, critics took to the blogosphere with skeptical views and downright insults.

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NASA's arsenic life-form scientist answers critics

The NASA-funded scientist whose discovery of a bacterium that thrives on arsenic prompted an avalanche of criticism responded Thursday with a statement answering questions about her research.

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Arsenic agent shuts down two hard-to-treat cancers in animal experiments

Researchers at the Georgetown Lombardi Comprehensive Cancer Center, a part of Georgetown University Medical Center, have found that an arsenic-based agent already FDA-approved for a type of leukemia...

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LED products billed as eco-friendly contain toxic metals, study finds

Those light-emitting diodes marketed as safe, environmentally preferable alternatives to traditional lightbulbs actually contain lead, arsenic and a dozen other potentially hazardous substances,...

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China adopts heavy metal reduction plan

China has adopted a plan to tackle heavy-metal pollution, according to state media, after more than 30 major poisoning incidents since 2009.

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Queen's University scientists behind safer drinking water in US

Pioneering technology by scientists at Queen's University Belfast, which is transforming the lives of millions of people in Asia, is now being used to create safer drinking water in the United States.

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