T. Rex
Clip | 7m 15s
An astonishing adolescent growth spurt accounts for T. rex's enormous size.
Aired: 04/19/05
Problems Playing Video? | Closed Captioning
Clip | 7m 15s
An astonishing adolescent growth spurt accounts for T. rex's enormous size.
Aired: 04/19/05
Problems Playing Video? | Closed Captioning