A well-preserved fossil is a “missing puzzle piece” for the evolution of dinosaur respiration. A new illustration of a dinosaur exhaling a puffy cloud might look like the animal is vaping. But in reality, the artwork is simply depicting a dinosaur breathing on a chilly morning. And it turns out this dino breathed in a way unlike any seen in this group of dinosaurs before. Scientists found unusual rib and sternum bones in an exceptionally well-preserved fossil skeleton of Heterodontosaurus tucki, a turkey-size, plant-eating ornithischian, or bird-hipped dinosaur — the…
Thursday, July 29, 2021
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