This handout photo provided by NSIDC, University of Colorado, taken in Oct. 2003, shows Emperor penguins and researchers working on Antarctic sea ice. The ice goes on seemingly forever in a white pancake-flat landscape, stretching so far it just set a record. And yet in this confounding region of the world, that spreading ice may be a cock-eyed signal of man-made climate change, scientists say. (AP Photo/NSIDC, University of Colorado)
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