Duck-bill dinosaur mystery finally solved

A University of Toronto scientist has concluded duck-billed dinosaurs' large, hollow crests had nothing to do with olfaction.

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<p><a href="http://www.physorg.com/news10212.html">Duck-bill dinosaur mystery finally solved</a></p> <p>A University of Toronto scientist has concluded duck-billed dinosaurs' large, hollow crests had nothing to do with olfaction. </p>