T. rex had massive jaws but tiny arms: Scientists now know why
- Posted on May 29, 2026
- By The Independent
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- 1 min read
T. rex had massive jaws but tiny arms: Scientists now know why
A new study documents that the robustness of skulls in carnivorous dinosaurs began to evolve first, a direct response to the increasing size of the plant-eating dinosaurs they hunted, shortly after dinosaurs became Earth's dominant land animals
