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66-Million-Year Old Rare T. Rex Skull Discovered (Video) -
Researchers Find Siberian Unicorn Fossil Fragments in Kazakstan, Say Creature Lived Much Longer Than Thought
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Divers Swim With Rare Bioluminescent Worm (Video)
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Rare Half-Male, Half-Female Butterfly Discovered (Video)
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8,000-Year-Old Skull With Preserved Brain Matter Found in Norway
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More Than 100 Han Dynasty Tombs Discovered in China
