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Here is an ammonite, an extinct, shelled cephalopod related to the octopus and...
Sea Levels on the Move
Through the use of satellites and land survey tools, scientists are learning about...
Fri, 01/14/2011 - 13:36
Tsunamis, giant waves caused by underwater earthquakes, speed across the ocean at...
Fri, 01/14/2011 - 12:16