News tagged with heavy metal

Toxicity of Hungary's red sludge flow drops

(AP) -- The concentration of toxic heavy metals where Hungary's massive red sludge spill entered the Danube has dropped to the level allowed in drinking water, authorities said Friday, easing fears that Europe's ...

Oct 08, 2010
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Ark. fish deaths still a mystery after tests

(AP) -- The mystery of what killed tens of thousands of fish that washed up along the Arkansas River late last year can't be solved, state wildlife officials announced Wednesday, but they do have a theory about what caused ...

Jan 27, 2011
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Predicting bioavailable cadmium levels in soils

New Zealand's pastoral landscapes are some of the loveliest in the world, but they also contain a hidden threat. Many of the country's pasture soils have become enriched in cadmium. Grasses take up this toxic heavy metal, ...

Apr 15, 2014
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Key find for treating wastewater on World Water Day

A newly developed membrane used to separate waste from water could become key in the treatment of pollutants ranging from acid mine drainage to oil-containing wastewater, as well as in processes ranging from desalination ...

Mar 26, 2013
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Toxic spill from zinc mine in Peru

(AP)—Peruvian authorities say wastewater laced with heavy metals from a major zinc mine has spilled into a tributary of the Amazon, contaminating at least six miles of the waterway.

Sep 03, 2012
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Growing plants on Mars

We have been to the moon several times. Next time, we may go back for a considerable period. And concrete plans for a one-way ticket to Mars have already been forged. Food will have to be grown on location. ...

Mar 28, 2013
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To be or not to be green

What happens to research findings once the researchers have gone away? A web site run from the University of Stuttgart in Germany offers scientists an opportunity to bring their own data from completed research pr ...

Sep 20, 2013
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