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slideshow
The Ocean Throughout Geologic Time, An Image Gallery
Evidence shows that life probably began in the ocean at least 3.5 billion years...
Tue, 09/20/2011 - 15:30
slideshow
Rudist Reefs
About 100 million years ago, during the heyday of the dinosaurs, reefs were built...
Fri, 12/04/2009 - 14:25
slideshow
Life in the Field as an Underwater Photographer
Brian Skerry, an award winning photographer for National Geographic, explores the...
Tue, 05/29/2012 - 13:19
slideshow
Image Gallery: The Perfect Underwater Photo
For nearly 35 years, National Geographic photojournalist Brian Skerry has been...
Mon, 12/19/2011 - 16:13