Scientists Surprised to Find Dinosaur Protein

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Researchers report this week in the journal Science that they've been able to sequence some remnants of collagen proteins extracted from a fossil Tyrannosaurus rex bone.

Guests:

Mary Higby Schweitzer, assistant professor, marine, Earth and atmospheric sciences, North Carolina State University; associate curator, paleontology, North Carolina Museum of Natural Sciences

John Asara, instructor, Department of Pathology, Harvard Medical School; director, Mass Spectrometry Core Facility at Beth Israel Deaconess Medical Center

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