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Screenshot of "Rethink the Shark" showing people on a beach.
video

Rethink the Shark

 Sharks have a long and impressive lineage.  Ancient sharks were cruising the...
Fri, 12/18/2009 - 14:17
Great White Sharks breach to hunt -- with split-second timing they grab their prey in one swift snatch. Follow the whole breaching action in this slideshow.
overview

Great White Shark

 Sharks are much older than dinosaurs. Their ancestry dates back more than 400...