Are there more pips in lemons than there used to be?

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

Are there more pips in lemons than their used to be? That’s definitely my impression. What’s going on? Andrea Wilson, Manchester

Post your answers (and new questions) below or send them to [email protected]. A selection will be published next Sunday.