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Why Did the T Rex Have Such Puny Arms?

Tyrannosaurus rex was a giant predator that roamed the earth, so why did it have such tiny arms?

United statesNatural history museumChristine lipkinGary larsonHenry fairfield osbornThomasr holtzScott olson gettyKenneth carpenter of utah state universityUniversity of marylandNatural history museum in leidenField museumGeologist bill simpsonKenneth carpenterUtah state universityFar sideGetty images

100 years of Tyrannosaurus rex | ScienceBlogs

100 years of Tyrannosaurus rex | ScienceBlogs
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Hill citySouth dakotaUnited statesUnited kingdomChristine lipkinRobert bakkerJohn hornerMartin lockleyBruce rothschildJohn happBarney newmanHenry osbornMary schweitzerCharles knightPhil manningTyrannosauridae dinosauria