A T. rex-sized, meat-eating dinosaur found in Argentina may have hunted in packs, according to palaeontologists.
[Read](http://news.bbc.co.uk/go/rss/-/1/hi/sci/tech/4918292.stm) (BBC)
Dino may have been pack hunter
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A T. rex-sized, meat-eating dinosaur found in Argentina may have hunted in packs, according to palaeontologists.
[Read](http://news.bbc.co.uk/go/rss/-/1/hi/sci/tech/4918292.stm) (BBC)