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These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...
Design Your Own Bag
Marine debris damages habitat, entangles wildlife, helps transport invasive...
Light Painting Tutorial
What does a bioluminescent creature that lives more than two miles below the...
Wed, 10/12/2011 - 16:05
Rethink the Shark
Sharks have a long and impressive lineage. Ancient sharks were cruising the...
Fri, 12/18/2009 - 14:17