PhysOrg Posted May 2, 2019 Share Posted May 2, 2019 Before they evolved the ability to fly, two-legged dinosaurs may have begun to flap their wings as a passive effect of running along the ground, according to new research by Jing-Shan Zhao of Tsinghua University, Beijing, and his colleagues. View the full article Quote Link to comment Share on other sites More sharing options...
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