On the Science Channel’s "Mammals vs. Dinos," evidence suggests that the Tyrannosaurus Rex lived as a family unit, caring for its young and living cooperatively.
(less)
On the Science Channel’s "Mammals vs. Dinos," meet Tyrannosaurus Rex, one of the largest, carnivorous dinosaurs known. Here, an alligator's bite force is measured and compared to T Rex bite marks.
(less)