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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
Killer Whale: Orca
Killer whales (Orcinus orca) are master hunters, using speed, camouflage, and a...
Wed, 09/30/2009 - 11:20
Today, carbon dioxide (CO2) levels in our atmosphere are the highest they've been...