Even tiny muscles around the ears hint at our evolutionary past. In many mammals, tiny ear muscles allow the outer ear (pinna ...

This brainless animal uses a molecular trick once tied to bilaterian body plans.

"Memories and songs are stored in two different parts of the brain, so people with Alzheimer’s won’t remember their family, ...

Scientists have discovered that the human body undergoes a dramatic internal transformation during extended fasting, with ...

Leaf through a textbook, watch a wellness influencer or listen in at the gym, and it can feel as though the human body has already been mapped to exhaustion. Every muscle named, every nerve traced.