Soft and absorbent, cellulose sponges are what most of us picture when we’re asked to “think of a sponge.” Cellulose is a ...

I eat it by the spoonful without bread because it is that good, and I love that it has little topping pieces as well." —Tina ...

Faranak Amidi presents The Fifth Floor, a weekly programme that revels in the variety and range of stories produced by the BBC World Service's language sections. Faranak joined the BBC Persian ...