Fusao Nuclear News Today

Get latest articles and stories on Science at LatestLY. Washington [U. Warm-bloodedness is a key mammal trait, but its been a mystery when our ancestors evolved it. A new study points to an unlikely source for telling a fossil animals body temperature: the size of tiny structures in their inner ears. The fluid in our ears becomes runnier at higher temperatures, so animals with warm bodies dont need as big of canals for it to flow through. Turns out, mammal ancestors became warm-blooded nearly 2...