It's like a dog - I know it's this direction.

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

Unfortunately, this effect is to rob some users of their sense of smell.

Air has no smell.Air has no taste.

"To my surprise, this means something about the epithelium is tuned to pick up certain information" in certain zones, New York University's Wilson said.