
Horizon
T-Rex Exposed
TV-PG
S28 • E23 Jun 30, 1991 60mConsiders some of the different theories surrounding the Tyrannosaurus Rex dinosaur, and other members of the same family, and shows how calculations about size, speed, weight, etc. are made from skeletons, some of them recently discovered in Montana. Scientists also use the latest x-ray/scanning techniques to examine skulls and bones for information.