WASHINGTON (Reuters) - Scientists have answered a longstanding question about mammalian evolution, examining ear anatomy of living and extinct mammals and their close relatives to determine when ...

Warm-bloodedness is a key trait of mammals, but it was long a mystery when proto-mammals evolved this feature to stand out from their more reptilian, cold-blooded ancestors. Now, in a new study ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

The coiled channels deep within the ears of fossilized and modern animals reveals that mammals became warm-blooded 233 million years ago. By Kate Baggaley Published Jul 20, 2022 11:09 AM EDT Get the ...

Endothermy, or warm-bloodedness, is the ability of mammals and birds to produce their own body heat and control their body temperature. This major difference with the cold-blooded reptiles underpins ...

Hot or not? Peeking inside an animal’s ear — even a fossilized one — may tell you whether it was warm- or cold-blooded. Using a novel method that analyzes the size and shape of the inner ear canals, ...

For more than 100 years, researchers assumed that dinosaurs were like giant lizards: sluggish reptiles that spent most of their day basking in the sun. This image changed when we started to realize ...

Despite being mammals, these remarkably cancer-resistant animals share a lot in common with cold-blooded species.

Birds, the last surviving dinosaurs, are warm-blooded. But scientists have long debated whether other dinosaurs were also warm-blooded like birds or were cold-blooded like reptiles. Now, in a new ...

(CNN) — Were dinosaurs warm-blooded like birds and mammals or cold-blooded like reptiles? It’s one of paleontology’s oldest questions, and gleaning the answer matters because it illuminates how the ...

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A new study suggests that endothermy appeared in mammalian ancestors about 233 million years ago, well before the origin of mammals, which occurred about 200 million years ago. Endothermy, or ...