Wed Nov 11, 7:28 PM ET

FILE - In this Thursday, May 13, 2004 picture, fifth graders from the Laurel Highlands School district peer through the glass surrounding the PaleoLab at the Carnegie Museum of Natural History as Norm Wuerthele, right, and Alan Tabrum work on 'Samson' after the unveiling of the dinosaur head in the Pittsburgh museum. The specimen, considered by experts to be the most complete skull of a Tyrannosaurus Rex ever discovered, will be on display as scientists work on removing the embedded bone from the dirt and rock. On Wednesday, Nov. 11, 2009 an auctioneer said a the fossil that failed to sell at auction in Las Vegas last month has been bought by a private buyer who intends to have it displayed in a museum. (AP Photo/Keith Srakocic)

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