Predators didn't dominate the Cretaceous period - plant-eaters did. And their bodies were built to take a beating. The latest science reveals the anatomical secrets that made the earth's largest vegetarians successful.

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Predators didn't dominate the Cretaceous period - plant-eaters did. And their bodies were built to take a beating. The latest science reveals the anatomical secrets that made the earth's largest vegetarians successful.

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6 December 2009 (USA)  »

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