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Scientists track the brain – skull transition from dinosaurs to birds

The dramatic, dinosaur-to-bird transition that occurred in reptiles millions of years ago was accompanied by profound changes in the skull roof of those animals — and holds important clues about the way the skull forms in response to changes in the brain — according to a new study.

These are CT scan images of the skull roof (front bone in pink, parietal in green) and 
brain (in blue) of, top to bottom, a chicken, the birdlike…

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