Dinosaurs were warm-blooded like mammals, not cold-blooded like reptiles as previously thought, says a biologist from the University of Adelaide, Australia. This image shows different dinosaur species, left to right: Chasmosaurus belli, Lambeosaurus lambei, Styracosaurus albertensis, Euoplocephalus tutus, Prosaurolophus maximus, Panoplosaurus mirus and a herd of S. albertensis in the background (© J.T. Csotonyi) Prof Roger Seymour argues that cold-blooded...
