News tagged with toxicity levels

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, ...

dateApr 15, 2014 in Environment
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Study finds mounting mercury threat in Peru Amazon

A study of mercury contamination in a southeastern Peruvian jungle area ravaged by illegal gold mining found unsafe levels of the toxic metal in 78 percent of adults in the regional capital and in 60 percent of fish sold ...

dateMar 21, 2013 in Environment
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Novel materials shake ship scum

Just as horses shake off pesky flies by twitching their skin, ships may soon be able to shed the unwanted accumulation of bacteria and other marine growth with the flick of a switch.

dateJan 31, 2013 in Materials Science
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Scientists examine toxicity of medicinal plants in Peru

Many developing countries rely on traditional medicine as an accessible and affordable treatment option for human maladies. However, until now, scientific data has not existed to evaluate the potential toxicity of medicinal ...

dateDec 14, 2011 in Ecology
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