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Byline: Sharon Begley
The answer is: like chicken--with a hint of frog and notes of newt. It's not that many people have been asking what Tyrannosaurus rex tasted like. But in a feat that demolishes beliefs about how long biological molecules can survive, scientists have isolated tiny amounts of the protein collagen from the thigh bone of a T. rex that died 68 million years ago in what is now Montana. There was just enough for scientists at Beth Deaconess Medical Center to determine the protein's sequence of amino acids. The sequence it matches most closely, reported in the journal Science, is that of modern-day chickens, followed by frog and newt. The match is the first molecular ...