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Showing blog posts tagged with "Dinosaurs"

Duck-billed dinosaur tooth topography

Grinding Teeth of Duck-bill Dinosaurs More Advanced Than Horses'

Research posts

A new scientific study shows that duck-billed dinosaurs pulverized tough and abrasive plants with grinding teeth more complex than those of cows, horses, and other well-known modern grazers. The researchers, which included Mark Norell, the chair of the Museum’s Division of Paleontology, are the first to recover material properties from fossilized teeth.

Tags: Paleontology, Dinosaurs, Our Research

What Is and Is Not a Dinosaur?

News posts

A key evolutionary innovation of dinosaurs is that they walk with a fully erect posture, holding their hind legs vertically under their hips. What else makes a dinosaur a dinosaur? Learn how scientists define this group of reptiles in the first video from the series "Dinosaurs Explained."

Tags: Dinosaurs


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