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There are more than 500 species of sharks swimming in the world’s ocean. Yet when...
Great White Shark
Sharks are much older than dinosaurs. Their ancestry dates back more than 400...
Under Arctic Ice
Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a...
Tue, 01/04/2011 - 14:48
Microscopic, single-celled organisms called foraminifera have a fossil record that...
Thu, 03/25/2010 - 16:23