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Arctic
Biology
November 4, 2016
Underwater nightlights
Climate
August 24, 2016
Thinning Arctic sea ice means wildlife must adapt or die
Earth Sciences
May 23, 2016
Why is Antarctica's sea ice spreading?
Climate
March 29, 2016
Arctic sea ice hits a record low wintertime maximum
Climate
March 23, 2015
Puzzles posed by a chilly northern winter
Earth Sciences
December 22, 2014
Descent into Siberia's mystery crater
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