If you involve all your senses - touching, feeling, smelling, hearing and seeing in the imagination process, you can remember greater details of the event.

The team happened upon the link between sex and olfaction while investigating the sense of smell in fruit flies.

Sight, smell, touch, taste, and hearing: these are not our only senses.

Although the lock-and-key hypothesis may explain some of our sense of smell, he says, it "is not the whole story.

The creatures are wired together in various degrees of connectance by food webs and by smells and vision.