https://www.earthmagazine.org/tags/cold-blooded/ Recent content in Cold-Blooded on EARTH Magazine Hugo en-US American Geosciences Institute. All rights reserved. Thu, 05 Jan 2012 06:41:58 -0500 https://www.earthmagazine.org/article/dinosaurs-active-lifestyles-suggest-they-were-warm-blooded/ Thu, 05 Jan 2012 06:41:58 -0500 https://www.earthmagazine.org/article/dinosaurs-active-lifestyles-suggest-they-were-warm-blooded/ <p>Whether dinosaurs were warm-blooded or cold-blooded has been a long-standing question in paleobiology. Now, new research on how two-legged dinosaurs walked and ran adds new evidence to the argument for warm-bloodedness, and suggests that even the earliest dinosaurs may have been warm-blooded.</p>