A smell can do so many things: it can make you happy; it can warn you; it can stimulate your appetite; or it can bring you home. We find it hard to describe a specific scent. Apart from those overly interested in wine or perfume, most of us only manage to characterise a smell as nice or as disgusting. A scent can evoke emotions and memories, even of moments or situations that happened a long time ago. Who knows what happens when we find our old cuddly animal, and even better (or worse) when we smell it again…