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Researchers take dinosaurs’ temperature with teeth

• RawStoyr.com
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.

The findings from a team led by researchers at the California Institute of Technology were published Thursday in an online edition of the journal Science.

"This is like being able to stick a thermometer in an animal that has been extinct for 150 million years," said Robert Eagle, an evolutionary biologist and post-doctoral scholar at Caltech who was lead author of the report.

The study supports a growing body of research suggesting dinosaurs were more active and energetic than scientists originally believed.

 

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