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Sci Tech    H4'ed 5/30/15

Dinosaurs May Have Been Warm-Blooded After All

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Message James Quandy

Here is a video from Huffpo: click here

Is the debate over dinosaur "blood" finally over?

Generations of scientists previously believed -- and generations of schoolchildren were taught -- that dinosaurs were cold-blooded, like fish, amphibians, and reptiles. Then some scientists began to argue that dinosaurs were warm-blooded, like birds and mammals. Meanwhile, other researchers hypothesized that dinos were "mesotherms," not quite hot-blooded and not quite cold-blooded either.

But now a new paper -- essentially a reanalysis of a 2014 study putting forth the mesothermy theory -- argues that dinosaurs' metabolisms and growth rates were strikingly similar to those of modern-day mammals. In other words, they were warm-blooded after all.

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