A new study suggests that the first warm-blooded dinosaurs may have roamed Earth about 180 million years ago DALLAS -- Scientists once thought of dinosaurs as sluggish, cold-blooded creatures.
A new study suggests that the first warm-blooded dinosaurs may have roamed Earth about 180 million years ago DALLAS -- Scientists once thought of dinosaurs as sluggish, cold-blooded creatures.
DALLAS (AP) — 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 ...
The first ‘warm-blooded’ dinosaurs emerged 180 million years ago, suggests a new study. The ability to regulate body temperature - a trait all birds and mammals have today - may have evolved among ...