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Researchers end dinosaur feather debate

May 11, 2010 7:45:08 PM PDT
Stanford University researchers say they have settled the debate over whether some dinosaurs had feathers.

A high-energy x-ray of a dinosaur fossil showed that the winged impressions were actually made by feathers -- similar to what modern birds have.

Researchers were also able to collect faint chemical residue from the fossil which confirmed the x-ray's findings.

Until now, paleontologists have been unsure what dinosaur's wings looked like.

These findings boost the theory that birds evolved from a winged dinosaur.


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