Friday, February 24, 2006

 

Many Dino Fossils Could Have Soft Tissue Inside

Many Dino Fossils Could Have Soft Tissue Inside: "Soft-tissue dinosaur remains, first reported last year in a discovery that shocked the paleontological community, may not be all that rare, experts say.

A 2005 paper in the journal Science described what appeared to be flexible blood vessels, cells, and collagen-like bone matrix from fossils of a 70-million-year-old Tyrannosaurus rex."

Mary Schweitzer, the North Carolina State University paleontologist who announced the finding, said her team has now repeated that feat with more than a dozen other dinosaur specimens.

To make sense of the surprising discovery, scientists are beginning to rethink a long-standing model of how the fossilization process works. [News]

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