The first warm-blooded animals appeared abruptly 233 million years ago, according to clues hidden deep inside their ears. Before now, scientists estimated that warm-bloodedness, or endothermy, ...

Northwestern Medicine scientists have uncovered how a specific type of cell in the inner ear plays a commanding role in shaping the cellular landscape of the organ responsible for hearing, according ...

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 ...

Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved ...

Warm-bloodedness is a key mammal trait, but it's been a mystery when our ancestors evolved it. A new study points to an unlikely source for telling a fossil animal's body temperature: the size of tiny ...

When desert animals face environmental extremes day in and day out, every unique anatomical feature can aid in their survival. Among the most striking of these adaptations is ear size. In arid ...

3D printed tissues and organs have shown real potential in addressing shortages of available donor tissue for people in need of transplants, but having them take root and survive after implantation ...

Cheetahs are synonymous with speed. But past the big cat's slender build and lean muscles, there's something inside that aids this animal's need for speed. If you watch a cheetah sprinting in slow ...