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Tsunamis, giant waves caused by underwater earthquakes, speed across the ocean at...
Fri, 01/14/2011 - 12:16
Oil in the Ocean
In summer 2009, in the heart of New Orleans, a 600-foot tanker collided with a...
Fri, 06/11/2010 - 17:30
The Official Canoe Launch
At a ceremony on the edge of the Potomac River in Washington, D.C., Douglas Chilton...
Tue, 10/27/2009 - 11:27