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CalTech scientists use fossilized teeth to take dinosaurs’ temperature

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(Reuters) – Scientists in California say they have for the first time devised a way to accurately take the body temperatures of dinosaurs — by examining the creatures’ teeth.

Chemical analysis of the Jurassic period fossil teeth from two sauropods — long-tailed, long-necked dinosaurs that rank among the largest land animals ever to roam the Earth — showed they were about as warm as most modern mammals.

But they also were cooler than some experts had predicted for animals of such gigantic size.

Full Story: Researchers take dinosaurs’ temperature with teeth