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Ear Wax From Whales Keeps Record of Ocean Contaminants

| September 16, 2013
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How often do whales clean their ears? Well, never. And so, year after year, their ear wax builds up, layer upon layer. According to a study published Monday, these columns of ear wax contain a record of chemical pollution in the oceans.

The study used the ear wax extracted from the …Read More

Source: NPR Science – ingested into KQED

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KQED Science brings you award-winning science and environment coverage from the Bay Area and beyond by the flagship Northern California PBS and NPR affiliate.

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