Innovative research reveals rapid olfactory response. Including Zhou, the research team has found that our sense of smell ...

Some body parts do not have to be squeaky clean. You'll look and feel better if you wash these parts less often (or never!).

Human sniffs last between one and three seconds. During that time, chemicals enter the nose and allow us to perceive the smells around us. But whether humans can perceive odor changes shorter than the ...

When we inhale, airborne chemicals enter our nose, creating the "odor" we detect. These chemicals are then expelled when we exhale. Each breath lasts ...

In a single sniff, the human sense of smell can distinguish odors within a fraction of a second, working at a level of ...