The most unpleasant outdoor odours that were reported related to traffic, farming, smoking, industry, and smoke; whereas the most common indoor odours related to food, sewers, stuffy air, and tobacco smoke.
Landfills typically represent a common source of odour complaint; for this reason, the development of specific OEFs allowing the estimation of odour emissions from this kind of source would be of great interest both for the landfill design and management.
Desulfovibrio desulficans reduces sulfates in waterlogged soils and sewage to hydrogen sulfide, a gas with the rotten egg odour so common to such places.
Increase of vigilance is a common response to predator odour [ 48, 64, 65].
The most common response mode after odour stimulation was excitation (Table 2).
Linalool, a very common component of flower odours, is known to have a repellent effect on the carrot aphid, Cavariella.
The importance of odour in the common concept of taste becomes obvious when a person has a cold and can no longer "taste" food.
Beneficial health properties of garlic, as well as its most common adverse effect – distinctive breath odour – are well-known.
Hence, the interruption of a journey towards food is weaker if the food is common but has a different odour from what is expected, i.e. at the start of a foodward vector ants are primed to encounter the odour of a particular food.
Of course, commercials for tampons and pads reinforce the obnoxious shaming—"avoid messy spills and odours" is a common refrain.
