LanMan04 writes "For the first time, researchers have read the biological signature of a Tyrannosaur — a signature that confirms the increasingly accepted view that modern birds are the descendants of dinosaurs. Analyzing the organic material (collagen protein) found inside the unique fossil linked the collagen to several extant species. The bottom line is that the T. rex's biological signature was most like a bird's, at least based on the first fragmentary data. "It looks like chicken may be the closest among all species that are present in today's databases for proteins and genomes," one of the scientists interviewed said."
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