Antony Gormley instructs us all to give up shoes and go barefoot.
Frances Ashcroft says that fasting one day a week would make us healthier and happier.
One day a year, woman's opinions should be heard first in meetings before can men speak.
Having objects instead of textbooks gives better insight and skills, says Peter Campbell
Once a year the entire earth should switch off all lights everywhere.
Hanif Kara believes that we should find a way to sleep vertically and save a lot of space