Why We Recognise The Smell Of A Scent

(via ANI) Here is an interesting study by researchers on 'dynamic connectivity', which explains why, when we notice a scent, the brain quickly sorts through input and determines exactly what that smell is + other viewpoints @ http://in.news.yahoo.com/071217/139/6oinl.html

I see intriguing parallels between the smell of scent and colored stone/diamond grading + wine/tea/coffee/chocolate tasting.