Does a teaspoon in the spout of an opened bottle of sparkling wine keep it fizzy?
My sister and mother swear that putting the handle of a teaspoon in an opened bottle of sparkling wine keeps it fizzy, even overnight. My scientist husband says this is rubbish. I reckon it seems to work but don’t know why or how. Is there any scientific basis to it?
Sharon Palser
Post your answers – and new questions – below or email them to nq@theguardian.com