How and why do we become accustomed to smells? What makes some odours personally super-pungent one day and unnoticed 'background noise' later on, despite the smell remaining objectively unchanged? [more inside]
posted by peacay on May 19, 2012 - 7 answers

Could I be a professional smell tester with my dog like nose? [more inside]
posted by WhereAmI on Jul 5, 2009 - 10 answers

Olfactory Filter: My sense of smell is severely diminished, when it exists at all. I have known this for years but now I want to taste wines so I am wondering if there is any way to repair my sense of smell or is it lost forever? [more inside]
posted by DetonatedManiac on Jun 20, 2008 - 8 answers

What's the smallest thing that can be smelled by a human? [more inside]
posted by Eiwalker on Sep 16, 2006 - 21 answers

Why do some people find the smell of gasoline pleasant?
posted by jeremias on Apr 29, 2006 - 32 answers