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June 17, 2014 04:58 pm PDT

Were dinosaurs warm-blooded, cold-blooded, or somethingelse?

Diagram: energy usage in a number of animal groups, including birds, mammals, dinosaurs and modern reptiles. Dinosaurs were "mesotherms," neither warm- nor cold-blooded, a new study finds. (John Grady, LA Times)


Diagram: energy usage in a number of animal groups, including birds, mammals, dinosaurs and modern reptiles. Dinosaurs were "mesotherms," neither warm- nor cold-blooded, a new study finds. (John Grady, LA Times)

Were dinosaurs warm-blooded or cold-blooded? That's a debate that's been going on since 1968, when Yale scientists first proposed that dinos could have been active, agile, and fast.

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Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/rVua5NrIAMM/were-dinosaurs-more-like-birds.html

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