New research challenges notion that dinosaur soft tissues still survive

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Arrows on this electron microscope image indicate biofilms or slime peeling away from the walls of vascular canals in dinosaur bone. Credit: Thomas Kaye
Arrows on this electron microscope image indicate biofilms, or slime, peeling away from the walls of vascular canals in dinosaur bone. Credit: Thomas Kaye
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Paleontologists in 2005 hailed research that apparently showed that soft, pliable tissues had been recovered from dissolved dinosaur bones, a major finding that would substantially widen the known range of preserved biomolecules.


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