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More Australian Plants
As Dampier studied the plants he encountered in Australia, he wrote that they were...
Fossil tooth spiral
This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
Very few plant species can survive close to the ocean, where pounding surf fills...
Long before great white sharks appeared, much larger ancestors roamed the ocean....
Thu, 12/17/2009 - 17:55