If nurses get the care of older people right by applying the theory to practice, paying attention to feeding them and providing them with fluids, washing and cleaning them when they are unable to wash themselves, communicating with them and encouraging them through caring, kindness and compassion then caring for other patients will come naturally.

BBC: 'Shame on us nurses'

He urged people to turn off taps while cleaning their teeth, take shorter showers, fix leaks and only wash laundry with a full load.

BBC: South East latest part of England officially in drought

Self-cleaning clothes would be ideal for people who don't have time to wash their clothes or don't have the facilities to do so, he believed.

CNN: Washing no longer dirty work