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Mercury levels in Hawaiian yellowfin tuna increasing

Mercury concentrations in Hawaiian yellowfin tuna are increasing at a rate of 3.8 percent or more per year, according to a new University of Michigan-led study that suggests rising atmospheric levels of the toxin are to blame.

Feb 02, 2015
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Wildlife loss in the global ocean

Over the past 500 years, approximately 500 land-based animal species have gone the way of the dodo, becoming extinct as a result of human activity. In the ocean, where scientists count only 15 or so such ...

Jan 15, 2015
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