Secret skills! Clandestine competencies! And sure-to-impress-or-disturb party tricks! That’s right, this week we want to know what you can do that most other people can’t. So whether you can effortlessly lick your own elbow or recite ‘Blue (Da Ba Dee)’ backwards, hide your light under a bushel no more – pop your mildly useless superpower in the box below!