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Published online 24 March 2005 | Nature | doi:10.1038/news050321-13
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Flexible fossil shows tyrannosaur's softer side
Preserved soft tissue could reveal inner workings of dinosaur bones.
A thigh bone from a 70-million-year-old Tyrannosaurus rex has given fossil experts an unexpected treasure: well-preserved soft tissue. The stretchy material, which may contain the remnants of blood vessels and cells, could shed light on how dinosaurs' bodies worked.
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