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These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...
Dr. Stephen Cairns
Dr. Stephen Cairns is a research zoologist and chair of the Department of...
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...