Brain structure provides key to unraveling function of bizarre dinosaur crests

Paleontologists have long debated the function of the strange, bony crests on the heads of the duck-billed dinosaurs known as lambeosaurs. The structures contain incredibly long, convoluted nasal passages that loop up over the tops of their skulls.

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<p><a href="http://www.physorg.com/news143366399.html">Brain structure provides key to unraveling function of bizarre dinosaur crests</a></p> <p>Paleontologists have long debated the function of the strange, bony crests on the heads of the duck-billed dinosaurs known as lambeosaurs. The structures contain incredibly long, convoluted nasal passages that loop up over the tops of their skulls.</p>