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Recent Antarctic expeditions, underwater volcano monitoring, studies of...
Tue, 12/01/2009 - 10:02
About 100 million years ago, during the heyday of the dinosaurs, reefs were built...
Fri, 12/04/2009 - 14:25
Long before great white sharks appeared, much larger ancestors roamed the ocean....
Thu, 12/17/2009 - 17:55