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Scientists Discover T-Rex Dinosaur Soft Tissue Conventional wisdom among paleontologists states that when dinosaurs died and became fossilized, soft tissues didn`t preserve - the bones were essentially transformed into “rocks” through a gradual replacement of all organic material by minerals. New research by a North Carolina State University paleontologist, however, could literally turn that theory inside out.Dr. Mary Schweitzer, assistant professor of paleontology with a joint appointment at the N.C. Museum of Natural Sciences, has succeeded in isolating soft tissue from the femur of a 68-million-year-old dinosaur. Not only is the tissue largely intact, it`s still transparent and pliable, and microscopic interior structures resembling blood vessels and even cells are still present.
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