By Jennifer Viegas
An interesting "rock" initially tossed aside at a FedEx site near  Pittsburgh International Airport turns out to be the skull of a  meat-eating, early terrestrial amphibian that lived 70 million years before  the first dinosaurs emerged, according to a paper released today in  Annals of Carnegie Museum.
Read the rest on Discovery.
       # Posted by Michelle Moran @ | 
Monday, March 15, 2010 
 