Duckbill dinosaur mystery finally solved

One for Thomas the tyrannosaur...

Duckbill dinosaur mystery finally solved:

"From the brain case, there's no indication that the nerves curled upward into the crest, as we would expect if the crest was used for the sense of smell," Evans says. "It appears the brain changed very little from their non-crested dinosaur ancestors, and the primary region of the sense of smell was located right in front of the eyes -- and, coincidentally, that's where it is in birds, crocodiles, mammals and basically all four-legged animals."

The title is a bit misleading. They only rule out one of several theories. Still, they do it quite thoroughly

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