Ancient T. rex tissue, or just old slime?

Wednesday, July 30, 2008 - 19:42 in Paleontology & Archaeology

Scientists say material in dinosaur bones is probably just biofilm from bacteria. The finding sparks a strong response from researchers who reported finding T. rex tissue. Soft, organic material discovered inside a Tyrannosaurus rex fossil that scientists believed was 70-million-year-old dinosaur tissue may have been nothing more than ordinary slime, scientists said in a study published Wednesday.

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