Picture a mouse taking rapid, staccato sniffs of a crumb it's found while foraging for food. Now compare that with a human, ...

Surprising Facts About Losing Your Sense of Smell Our sense of smell often goes unnoticed until it disappears. Losing this ...

Dear Doctors: Over the last couple of years, whenever I put on perfume or use a different skin product, I get a burning smell in my nose. It can take days or sometimes up to a week to clear. Why does ...

Cellular differentiation of stem cells into specialized cells requires many steps, including division, to create more cells; fate determination, which is a commitment to a specific lineage or ...

A review of more than 200 studies reveals that olfactory receptors—proteins that bind to odors that aid the sense of smell—perform a wide range of mostly unknown functions outside the nose. The ...