Researchers Debate: Is It Preserved Dinosaur Tissue, or Bacterial Slime?

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By Eliza Strickland
Jul 30, 2008 5:37 PMNov 5, 2019 9:02 PM
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A new study may burst the bubble of dinosaur buffs by contradicting an exciting announcement of three years ago: what was earlier identified as soft tissue preserved in the thigh bone of a Tyrannosaurus fossil is actually just modern-day bacteria, researchers say. The new study challenges the work done by paleontologist Mary Schweitzer, who

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