Scientists once thought of dinosaurs as sluggish, cold-blooded creatures. Then research suggested that some could control their body temperature, but when and how that shift came about remained a ...

Paleontologists have gone back and forth over the years on whether dinosaurs were warm-blooded or cold-blooded. During the late 19 th century, some scholars aptly guessed that dinosaurs were agile ...

Through these methods, they found Otodus megalodon had body temperatures significantly higher than sharks considered cold-blooded or ectothermic, consistent with them having a degree of internal ...