Many dinosaurs were likely warm-blooded with high metabolic rates that resembled those of modern birds, according to a study published yesterday (May 25) in Nature. Comparing samples from more than 50 ...

Chemistry helps! The most important adaptation is how animals regulate their body temperature. Animals can be either warm-blooded or cold-blooded. Warm-blooded animals, which are mostly birds and ...

Anyone who grew up watching Jurassic Park might think of the Tyrannosaurus Rex as a lumbering, cold-blooded killer. But while T.Rex hasn't gotten any friendly, scientists now say that the 'King of ...