News tagged with heavy metal

How ancient impacts made mining practical

About 1.85 billion years ago, in what would come to be known as Sudbury Canada, a 10 kilometer wide asteroid struck with such energy that it created an impact crater 250 kilometers wide. Today the chief industry of Sudbury ...

Sep 23, 2014
4.4 / 5 (10) 0

Pollution forms an invisible barrier for marine life

Over 50 percent of the population in the United States and over 60 percent in the world live in coastal areas. Rapidly growing human populations near the ocean have massively altered coastal water ecosystems.

Mar 10, 2011
5 / 5 (2) 0 | with audio podcast

Computer power clicks with geochemistry

Sandia National Laboratories is developing computer models that show how radioactive waste interacts with soil and sediments, shedding light on waste disposal and how to keep contamination away from drinking ...

Jan 28, 2014
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'Greening' your flat screen TV

Electronic products pollute our environment with a number of heavy metals before, during and after they're used. In the U.S. alone, an estimated 70% of heavy metals in landfill come from discarded electronics. ...

Aug 25, 2010
5 / 5 (3) 0 | with audio podcast

Monitoring heavy metals using mussels

A research team in Malaysia has concluded that caged mussels are useful for monitoring heavy metal contamination in coastal waters in the Strait of Johore. Initial results indicate more pollution in the eastern ...

Sep 22, 2014
4 / 5 (1) 0

Platinum nanocatalyst could aid drugmakers

(PhysOrg.com) -- Nanoparticles combining platinum and gold act as superefficient catalysts, but chemists have struggled to create them in an industrially useful form. Rice University chemists have answered the call this week ...

Aug 31, 2009
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Herbal defluoridation of drinking water

Researchers in India have developed a filter system based on a medicinal herb, which they say can quickly and easily remove "fluoride" from drinking water. The technology described in the March issue of the International Jo ...

Mar 05, 2013
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'Save our kids from computer toxics' scientists warn

An international scientific expert has called for an urgent global effort to save the coming generation of children from being poisoned by toxic residues from the world's ever-growing garbage pile of old mobile phones, computers ...

Sep 16, 2013
5 / 5 (1) 1

Bugs and slime to clean poisoned water

Australian scientists have developed a way to clean up the potentially deadly arsenic that pollutes the drinking water of tens of millions of people around the world.

Sep 16, 2013
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Curiosity spots a heavy metal meteorite

Talk about heavy metal! This shiny, lumpy rock spotted by NASA's Curiosity rover is likely made mostly of iron—and came from outer space! It's an iron meteorite, similar to ones found in years past by Curiosity's ...

Jul 16, 2014
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