Dinosaurs' Puzzling Backbones
Wow in the World
00:00
The Origins of the Sauropods
Paleontologists have been trying to figure out how these sauropods got to be so big. One theory is that they had very thick legs, kind of like giant tree traps and those helped to support their weight. Mindy Kaling: I can't imagine that their big tree trunk pillar legs would be enough to keep them from collapsing to the ground.
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