"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A new study finds that proteasomes—structures that reside in all cells in the body and typically break ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

The limbic system helps regulate emotional and social processing, as well as learning, motivation, and memory. It consists of structures that lie beneath the outer, wrinkly part of the brain and above ...