Flowering plants and hippo-like creatures once roamed the arctic tundra where polar bears now prevail. Archeological work is now being done to uncover the mystery that once shrouded the creatures from over 53 million years ago on Canada's Ellesmere Island. Fossils of aquatic turtles, giant tortoises, snakes and even flying lemurs have been discovered. The dig is still underway.
http://www.msnbc.msn.com/id/31128198/
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