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Parasites suck toxins from sharks

Intestinal worms collect heavy metals from the sea.

Parasitic worms inside the guts of sharks are absorbing high concentrations of toxic heavy metals, researchers have found. The worms could be useful to scientists trying to check up on the health of ocean waters. And they could be saving the sharks from metal poisoning — at least for now.

Read the story here.

Posted by Nicola Jones on June 25, 2007 06:39 PM |

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Dear Editor
This is an interesting story.
In Egypt we carried out similar study on using mosquitoes as bioindicators in fresh water and we found that the heavy metals were acumulated in the ovaries other than any organs of mosquitoes Culex pipiens.

Posted by: Mostafa Hassan | June 25, 2007 09:00 PM

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