Alligators' Bird-Like Respiration Sheds Like On Reptile Evolution
Thursday, January 14, 2010 - 20:00
in Paleontology & Archaeology
Air flows in one direction as it loops through the lungs of alligators, just as it does in birds, and this breathing method may have helped the dinosaurs' ancestors dominate Earth after the planet's worst mass extinction 251 million years ago, according to scientists from the University of Utah. read more