Life
Dinosaurs may have waggled their tails to help walk more efficiently
A computer reconstruction of a small two-legged dinosaur suggests it ran more efficiently if it waggled its tail from side to side with every step
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A computer reconstruction of a small two-legged dinosaur suggests it ran more efficiently if it waggled its tail from side to side with every step
Fossil hunters struggle to find evidence of medium-sized carnivorous dinosaur species 鈥� perhaps because juvenile forms of giants like T. rex outcompeted them