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 ...

How do they do it? 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 ...

This important study explores the conserved role of IgM in both systemic and mucosal antiviral immunity in teleosts, challenging established views on the differential roles of IgT and IgM. The ...

Yet, if that's true, why aren't birds cold-blooded like most modern-day reptiles? The answer is straightforward: Most dinosaurs were probably warm-blooded, too. Birds are descended from a diverse ...

While this may be true of warm-blooded animals, what about exotherms like insects? Thanks to a 65-year-old grasshopper collection, scientists have documented that some species -- those ...

It disappeared about 3.6 million years ago. Previously, scientists thought the megatooth might have been warm-blooded, but they had no evidence to support this idea until a study was published in ...

Atlantic bluefins are warm-blooded, a rare trait among fish, and are comfortable in the cold waters off Newfoundland and Iceland, as well as the tropical waters of the Gulf of Mexico and the ...

The ocean’s most formidable cold-hearted killer, the long-extinct giant megalodon shark, may have been warm-blooded – which could have caused its disappearance more than three million years ago.