Hot-blooded T. rex and cold-blooded Stegosaurus: Chemical clues reveal dinosaur metabolisms
There’s a new method for determining whether dinosaurs were hot- or cold-blooded, using clues in their bones that indicated how much the individual animals breathed in their last hour of life. The study shows that the bird-hipped dinosaurs like T. rex and Brachiosaurus were hot-blooded, while the lizard-hipped dinosaurs like Triceratops and Stegosaurus were cold-blooded.
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