News tagged with heavy metal

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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A greener way to fertilize nursery crops

A U.S. Department of Agriculture (USDA) scientist has found a "green" alternative to a type of fertilizer additive that is believed to contribute to the accumulation of heavy metals in waterways.

Aug 27, 2012
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Earthworms soak up heavy metal

Earthworms could be used to extract toxic heavy metals, including cadmium and lead, from solid waste from domestic refuse collection and waste from vegetable and flower markets, according to researchers writing in the International Jo ...

Aug 16, 2012
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Alien earths could form earlier than expected

(Phys.org) -- Building a terrestrial planet requires raw materials that weren't available in the early history of the universe. The Big Bang filled space with hydrogen and helium. Chemical elements like silicon ...

Jun 13, 2012
5 / 5 (6) 5 | with audio podcast

Peru says 5,000 birds, nearly 900 dolphins dead

The Peruvian government said Wednesday that 5,000 birds, mostly pelicans, and nearly 900 dolphins have died off the country's northern coast, possibly due to rising temperatures in Pacific waters.

May 09, 2012
3.9 / 5 (7) 3

To boldly go where no glass has gone before

QUT's first foray into space is bound to be a giant step for mankind. Dr Martin Castillo from Queensland University of Technology's (QUT) Science and Engineering Faculty, and researcher for the university's ...

Mar 30, 2012
4.7 / 5 (7) 0

World's first magnetic soap produced

Scientists from the University of Bristol have developed a soap, composed of iron rich salts dissolved in water, that responds to a magnetic field when placed in solution. The soap's magnetic properties were ...

Jan 23, 2012
4.9 / 5 (11) 1 | with audio podcast

Novel device removes heavy metals from water

An unfortunate consequence of many industrial and manufacturing practices, from textile factories to metalworking operations, is the release of heavy metals in waterways. Those metals can remain for decades, even centuries, ...

Dec 16, 2011
5 / 5 (13) 4 | with audio podcast