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Killer Whales Swimming
Killer whales (Orcinus orca) have something in common with humans: early menopause....
The Smithsonian has more whale skulls and skeletons than any other collection in...
A Squalodontid Success
On a beach in Piña, Panama the tide is rolling out. Faint outlines of skeletal...
Wed, 06/22/2011 - 17:47
Before large mammals, reptiles ruled the ocean. During the Mesozoic, the time...