T. rex had a body temperature of 36.3°C, almost the same as humans; fossil tooth chemistry reveals the 66-million-year-old predator was warm-blooded and could survive in cold climates
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September 20, 2026
Representative Image via Canva For 66 million years, the body temperature of Tyrannosaurus rex (T.rex) lived only in speculation. Now, a new study has taken the dinosaur’s temperature using chemistry locked inside its fossilised teeth, finding an average…