News From the Field
The mystery of lizard breath
December 11, 2013
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Air flows mostly in a one-way loop through the lungs of monitor lizards--a breathing method shared by birds, alligators and, presumably, dinosaurs, according to a new University of Utah study. The findings--published online Wednesday, Dec. 11, in the journal Nature--raise the possibility this breathing pattern originated 270 million years ago, about 20 million years earlier than previously believed and 100 million years before the first birds. Why remains a mystery.Full Story
University of Utah
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