Feathers collected from rare Pacific seabirds over the past 120 years have shown an increase in a type of toxic mercury that likely comes from human pollution, according to U.S. researchers.
Source: http://www.cosmosmagazine.com/news/4242/feathers-show-toxic-mercury-rise-over-120-years
Giuliana DePandi Giulianna Ramirez Grace Park Gretha Cavazzoni Gwen Stefani Halle Berry Hayden Panettiere
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