Hot-blooded T. rex and cold-blooded Stegosaurus: chemical clues reveal dinosaur metabolisms - EurekAlert

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, published in Nature, shows that the bird-hipped dinosau…
image: Schematic drawing of a subset of the animals that were investigated as part of the study. Metabolic rates and resulting thermophysiological strategies are color-coded, orange hues characterize… [+9625 chars] Read More