Mystery hour - why does writing on paper make it curl?

20/09/2012 47 min
Mystery hour - why does writing on paper make it curl?

Listen "Mystery hour - why does writing on paper make it curl?"

Episode Synopsis

Questions today included: If we have Kingdoms, why don't we have Queendoms? Why do builders put coins in the Eaves of houses, why don't biscuits disintergrate as quickly when the tea is hot and why does writing on paper make it curl?