How the T-Rex Lost Its Arms
- Episode aired Jun 26, 2018
- 8m
The diminutive size of the tyrannosaurus rex's arms was part of a ninety million year evolutionary trend toward small arms. But that leaves the question of why T-Rex still had them and what ... Read allThe diminutive size of the tyrannosaurus rex's arms was part of a ninety million year evolutionary trend toward small arms. But that leaves the question of why T-Rex still had them and what were they used for.The diminutive size of the tyrannosaurus rex's arms was part of a ninety million year evolutionary trend toward small arms. But that leaves the question of why T-Rex still had them and what were they used for.