But why is it so hard to tell if your own home smells bad? That’s because, after a while, you stop noticing it. There’s even ...

Phantosmia is a condition where people perceive smells that aren’t present Learn about symptoms causes and treatment options ...

Your sense of smell often alerts you to potential danger. Bad smells can serve as a warning that something is amiss. If it smells bad, it is probably bad for you. More often than not, the nose knows.

Our Future Chronicles column explores an imagined history of inventions yet to come – this time how, by the mid-21st century, ...

Humans can usually tell the difference between about 10,000 different smells. But if they’ve got a bad cold, all that snot blocking their nose might stop them from being able to smell at all.