Specialised teeth helped predators like Gorgosaurus, pictured feeding on a young Corythosaurus in Alberta 75 million years ago Scientists have discovered the unique internal structure of the serrated ...
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Why don't teeth count as bones?
At first glance, teeth look a lot like bones: Both are hard, white and rich in calcium. So why aren't teeth considered part of the skeletal system? Even though teeth and bones share a few basic ...
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