Nathan myhrvold has a theory about the 30-ton Apatosaurus (formerly known as Bron-tosaurus) and the nagging question of why it needed a 90-foot tail. By measuring the points on a perfectly preserved Apatosaurus tail at the Carnegie Museum of Natural History in Pittsburgh, Myhrvold determined the tail was for more than balance. Suddenly, the bookish chief technology officer of Microsoft metamorphoses before your eyes into Indiana Myhrvold.
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