Smell is the most evocative of senses, and can have powerful effect on behaviour. Ode uses different scents to help late-stage dementia sufferers to remember to eat – around 50% of dementia patients suffer from weight loss and malnutrition.

In Odenplan, Stockholm, a set of stairs plays musical notes with each step. These piano stairs have resulted in a huge increase in individuals taking the stairs.

1 in 25 people actually get an infection during a stay in hospital, and poor staff hand hygiene is a leading cause of this. PullClean aims to reduce the spread of germs by automatically sanitising your hand whenever you open a door.