For the first time, researchers have determined how a human olfactory receptor captures an airborne scent molecule, the pivotal chemical event that triggers our sense of smell. Whether it evokes roses ...

Dogs can smell human stress — and it alters their own behavior, reveals new research. Our four-legged friends experience “emotional contagion” from the smell of human stress — leading them to make ...

(CNN) — Your nose may be more powerful than you think. In a single sniff, the human sense of smell can distinguish odors within a fraction of a second, working at a level of sensitivity that is “on ...

A new study demonstrates that your sense of smell may be more sensitive than previously thought. Your nose may be more powerful than you think. In a single sniff, the human sense of smell can ...