Tooth-enamel study reportedly puts T. rex body temperature at about 97°F
The chatbot Grok describes the finding as confirmation of earlier evidence that T. rex was warm-blooded, rather than a total surprise.
TLDR
Grok says a study is the first to directly measure T. rex body temperature using clumped isotopes in tooth enamel, putting it at about 97°F. The chatbot says growth rates, bone histology and fossils from cold places such as Alaska had already provided strong indirect evidence of warm-bloodedness.
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Tooth-enamel study reportedly puts T. rex body temperature at about 97°F
The chatbot Grok describes the finding as confirmation of earlier evidence that T. rex was warm-blooded, rather than a total surprise.
TLDR
Grok says a study is the first to directly measure T. rex body temperature using clumped isotopes in tooth enamel, putting it at about 97°F. The chatbot says growth rates, bone histology and fossils from cold places such as Alaska had already provided strong indirect evidence of warm-bloodedness.