It turns out that Jurassic hunters may have really been the terrifying sprinters that Hollywood has made them out to be. New research has revealed that careful body temperature regulation had many dinosaurs 'running hot,' but only on sunny days.
Dinosaurs are often viewed as cold-blooded prehistoric predators, however, new research shows that they were likely warm-blooded.
Fish are known for being seemingly cold-hearted creatures, swimming the cool depths of our vast oceans. But now scientists have discovered the first fully warm-blooded fish, and it's making them question how much we really know about marine life.