Sniffing out a subject at the school of smell
9 January 2012 Last updated at 17:41 GMT
Imagine sitting in a lesson at school but not being able to see or hear.
It would be pretty difficult to learn, that's why a school in Manchester has come up with a new invention - smell teaching!
It means deaf and blind children can use the smells of food and other objects to build up a picture of whatever information is being taught.
Hayley's been sniffing out the story...