Reviving dinosaurs

Computers help researchers envision how ancient creatures moved, walked and ate

By Sid Perkins, 10:30 AM March 4, 2014

Dinosaurs have been extinct for more than 65 million years. That’s long before any humans were around to observe their behaviors. Yet these ancient creatures live, breathe and rampage across the screen in movies like Jurassic Park and TV series like BBC’s Primeval. But unlike in your parents’ day, these dinos aren’t depicted cartoonishly. They’re portrayed realistically, informed by science.

First, researchers start with fossils. These are the preserved remnants of the dinosaurs — or the footp...

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