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Arctic seabirds expose mercury's hiding places

from Scientific American

Watch the skies and learn where the mercury lies. Arctic seabirds called little auks (Alle alle) pick up mercury while on holiday in southern climes, a new study reveals, and then subsequently transport the toxin back into their main habitat. By tracking the pilgrims, scientists can pinpoint oceanic pools of the pollutant and possible sites of food chain contamination. Pumped into the air by coal-burning factories, mercury has dusted the Arctic (and the rest of the planet) since the industrial revolution. more

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