Running Dinosaur Robot Reveals a Possible Way Dinos May Have Evolved Flight

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Using robotic and animal models, researchers have shown that some dinosaurs were already flapping their rudimentary wings as a side effect of running, prior to evolving the ability to fly. The finding offers a unique perspective on the origins of flight, but experts say more evidence is needed.

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https://gizmodo.com/running-dinosaur-robot-reveals-a-possible-way-dinos-may-1834478779