T. Rex skulls had built-in air conditioning - BGR

T. Rex skulls had built-in air conditioning  BGRTyrannosaurus rex had 'air-con' in its head  BBC NewsThe Mystery of Bizarre Holes in T. Rex's Head Might Finally Be Solved  ScienceAlertT. rex had an 'air conditioner' in its head, study says  New York Post Ancient Anatomical Evidence Shows That T. Rex Kept a Cool Head, Literally  InverseView full coverage on Google News