(PhysOrg.com) -- Phosphorus and arsenic are on top of each other in one group of the periodic table, so they have many similar properties. In addition to tubular forms, phosphorus is found in white, red, black, and purple ...
Materials Science
Feb 17, 2012
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0
(Phys.org) -- A study by ETH Zurich researchers demonstrates that the “arsenic bacterium” postulated as a spectacular new life form by NASA in 2010 cannot do without phosphorus. This demonstrates the continuing ...
Cell & Microbiology
Jul 11, 2012
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A few scientists have argued that descendants of an alternative origin of life may still lurk in a "shadow biosphere" somewhere here on Earth. It's an intriguing idea, but the search for the shadow inhabitants is becoming ...
Cell & Microbiology
Jul 16, 2012
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A pair of researchers at the Swiss Federal Institute of Aquatic Science and Technology has created a global map that highlights areas where there are likely dangerous levels of arsenic in groundwater. In their paper published ...
A team of researchers at the University of Delaware has found that incorporating rice husk to soil can decrease toxic inorganic arsenic levels in rice grain by 25 to 50 percent without negatively affecting yield.
Other
Jun 8, 2016
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564
Arsenic has been leaching into the lake from tailings at the abandoned Long Lake Gold Mine, which operated intermittently until 1937 and produced approximately 200,000 metric tons of tailings, discharged directly to the environment ...
Materials Science
Jan 17, 2022
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308
The second hand of the Doomsday Clock is now only three minutes to midnight. This is the closest to apocalypse we have come since 1984 – the coldest of Cold War years, just a year after Able Archer, the Petrov incident ...
Other
Jan 23, 2015
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59
(PhysOrg.com) -- Mention of arsenic poisoning usually brings to mind underhanded murder. However, the danger of arsenic poisoning from contaminated drinking water is far greater. Low concentrations of arsenic are found in ...
Nanomaterials
Nov 25, 2009
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Moss capable of removing arsenic from contaminated water has been discovered by researchers from Stockholm University. Within just one hour, it reduces water arsenic to levels harmless enough for consumption. The study has ...
Environment
Apr 17, 2018
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166
(Phys.org)—A team of Israeli, French and Swiss biologists have discovered how a strain of the bacterium Halomonas known as GFAJ-1, manages to survive in California's Mono Lake despite arsenic levels that would kill most ...
