Facts about the nose

· The human nose uses millions of cells to detect approximately 10,000 odours which is far less than that of animals.

· All humans have a scent blind spot. That’s why no two people can smell things the same way.

· Women have stronger senses of smell than men.

· Good smells make you more contented.

· There are fewer scents than you imagine.

· Scents can prompt memories.

· Humans have 350 useful olfactory receptor genes while mice have 1,300.