amazing science images you must see

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Into the Blue

Amazing Science Images You Must See

Amazing Science Images You Must See
Into the Blue

Here a close up shot of a loggerhead turtle (Caretta caretta) in the Gulf of Mexicos Flower Garden Banks National Marine Sanctuary, which is about 100 miles (179 kilometers) off the Louisiana coast. Two new studies are showing the turtles are being contaminated with so called persistent organic pollutants (POPs), which include banned substances such as DDT and toxaphenes, once used as pesticides; polychlorinated biphenyls (PCBs), once used as insulating fluids; and polybrominated diphenyl ethers (PBDEs), once used as flame retardants. The studies showed the turtles accumulate more of the contaminant chemicals the farther they travel up the Atlantic coast, suggesting their northern feeding grounds in Florida have higher POP levels. The turtles likely consume the POPs when they eat contaminated prey such as crabs, the researchers said. One of the studies was published online April 20, 2011 in the journal Environmental Toxicology and Chemistry, and the other will be published in a forthcoming issue of that journal.


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