T. rex teeth indicate it ran as warm as an elephant
Isotope ratios provide a hint that the giants were actively managing temperatures.
What happened?
Isotope ratios provide a hint that the giants were actively managing temperatures.
Story details
Isotope ratios provide a hint that the giants were actively managing temperatures.
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Original source
https://arstechnica.com/science/2026/09/t-rex-teeth-indicate-it-ran-as-warm-as-an-elephant/