1. Why meat-eating dinosaurs like T. rex evolved tiny arms  Phys.org
2. Why did ‘Tyrannosaurus rex’ have such short arms?  The Conversation
3. New study explains why T rex had such tiny arms: ‘The head took over’  The Independent
4. We may finally know why dinosaurs like T. rex evolved tiny arms  New Scientist
5. Why the T-Rex had tiny arms  The Telegraph

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