29-07-2015 12:41 via bbc.co.uk

Structural secret of T. rex's bone-crushing teeth - BBC News

BBC News
Structural secret of T. rex's bone-crushing teeth
BBC News
Scientists have discovered the unique internal structure of the serrated teeth belonging to carnivorous dinosaurs like T. rex and Allosaurus. This structure allowed them to rip through flesh and bones of larger animals, surviving as top predators for ...
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