It takes a tough man to raise a tender T. Rex

In today's Science , Lewis C. Cantley and John Asara  of Harvard announce the results of DNA workup on  bones of a  T. Rex John Horner, right,  excavated in Montana five years ago
“Our results at the genetic level basically agree with what has been seen in skeletal data,” John M. Asara of Harvard said in a telephone interview. “There is more than a 90 percent probability that the grouping of T. rex with living birds is real.” Asara said.

This will cause a major shakeup in the family tree of vertebrates , as  T. rex  genetic makeup  overlaps more with ostriches and chickens than such toothy modern reptiles as alligators. Mary H. Schweitzer of North Carolina State University discovered the  still smelly preserved soft tissues in the bones.
Evolutionary biologists compared the dinosaur protein with similar protein from several dozen species of modern birds , reptiles and  amphibians.

Comments

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[Barry Rosen]

much of this "research" is undergoing heavy scrutiny for possible misinterpretation of the results. the lead author did not release the mass spectra data until forced to (for fear of data stealing or getting publishable results-which is disgraceful since this "research" is publically funded), the dinosaur mass spec machine may have been contaminated with ostritch blood. Pavel peszner at UCSD has ripped apart this study and the lead authors are junior faculty who were overzealous and thinking about career grandisement rather than performing science for the greater good. Unreal.

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