A reader wrote a letter to me (oh happy day!), and although I'm still not entirely sure what she's trying to accomplish, it's an interesting puzzle to try to tackle anyway. Here's what she asked: I do ...

Do you know the ridiculous term for a group of jellyfish? Find out here. We all have our favourites. A flush of fungi. A bask of crocodiles. A charm of finches. And a superfluity of nuns – well, maybe ...