Bits of T. Rex tissue survived for millions of years

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In 2005, scientists found some soft tissue in the fossilized leg of Tyrannosaurus Rex. Now, they can confirm that, yes, that is T. Rex collagen. What’s more, there’s preserved collagen in lots of other T. Rex fossil specimens. How’d it survive? Stephanie Pappas at NBC News explains .        

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Bits of T. Rex tissue survived for millions of years

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