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 ...

The human sense of smell connects directly to brain regions responsible for memory and cognitive function, making it a surprisingly accurate window into neurological health. As people age, changes in ...

Most of us take our senses for granted, at least until one of them stops working. But despite the usefulness of smell, sight, touch and the other senses, they took millions of years to work themselves ...

Despite being one of our key senses, the molecular mechanisms of smell remain poorly understood. Mason Wakely sniffs out the ...

The odor receptors in the nose are not distributed at random but organized in a precise spatial pattern, two new studies reveal. By Emily Anthes Over the last century, scientists have mapped several ...

Closely related subtypes of dopamine-releasing neurons may play entirely separate roles in processing sensory information, depending on their physical structure. New research from the Institute of ...

A recent study examining the lasting impacts of the coronavirus concluded that people living with long COVID who suffer from anosmia -- the loss of smell -- experienced a significant shift in brain ...