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By Gina Nahai
$11.20
By Karen Elliott House
$28.95
$40
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bbc.co.uk
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And now for a brief bit of dinosaur geekery: Researchers at the University of Manchester had the fun job of putting together a computer model of a Tyrannosaurus rex skull that gave them a clearer idea about the bygone species’ bite, which turns out to be more impressive than previously believed.
Posted on Feb 29, 2012
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bbc.co.uk
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The going theory about the Tyrannosaurus rex, in case you didn’t know, had been until very recently that this famous mega-dinosaur sported stumpy little arms as an evolutionary adaptation related to its jumbo body size. Then a fossil of Raptorex kriegsteini—perhaps 1/100th the size of T. rex, its descendant—came along and upended that notion with its own disproportionately puny forelimbs.
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From the N.Y. Times
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The carnivore, named Mapusaurus, lived 100 million years ago in Argentina and was apparently a pack hunter, not a solitary predator.
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Truthdigger of the Week: Medea Benjamin
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