Scientists point to the exact moment in the time of evolution when mammals became warm-blooded

Scientists point to the exact moment in the time of evolution when mammals became warm-blooded

Researchers have pointed to the moment our earliest ancestors evolved to be warm-blooded, and it happened much later and far faster than scientists expected.

The discovery, made by studying the small tubes in the inner ear, places the evolution of mammalian warm-bloodedness around 233 million years ago – 19 million years later than scientists previously thought.

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