Posts Tagged ‘microorganism’
Earth & Environment - Thursday, February 11, 2010 13:40 - 0 Comments
Arctic snow reveals mercury’s ‘fingerprint’
In the Arctic, mercury remains in its benign gaseous form through the dark winter, because there’s no sunlight to drive oxidation and little bromine to catalyze the process. But in polar springtime, that all changes. As sea ice breaks up, water vapor rises in great clouds through the openings in the ice, bringing with it bromine from the sea water. (Courtesy: iStockphoto)
U. MICHIGAN (US)—Mercury deposited onto Arctic snow from the atmosphere takes on a life of its own as it is picked up by microorganisms that then build up in fish and animals that eat them. Continue…
Futurity’s on Alltop
Futurity's stories are now featured on one of the Web's top news aggregators, Alltop.com. Find select Futurity highlights on the related blog Holy Kaw and on the well-followed Twitter page of Alltop cofounder Guy Kawasaki.
Featured Blog: eScienceCommons (Emory)
- Bringing new energy to solar quest March 11, 2010
- Men like power more than they admit March 10, 2010
- Digitizing the mind of Salman Rushdie March 9, 2010
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