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Transparent sea jelly
Many jellyfish in the class Hydrozoa, such as this hydromedusa Aglantha digitale,...
Arctic Sea Jelly
Chrysaora melanaster, one of the largest jellyfish commonly found in the Arctic,...
Sea Ice Extent
Every year the Arctic sea ice grows and shrinks in accordance with the seasons. The...
How Do Sea Lions Swim?
A family of tourists in Canada’s Steveston Harbor recently got a treat when a...
Arctic Sea Ice: A New Low?
At a recent staff meeting a Smithsonian colleague mentioned that one of his...