Katy Perry answers the hard hitting questions of some of Radio 1's youngest listeners.

Next week is Dying Matters week (5 May). You’d be forgiven if this wasn’t something you planned to celebrate. Nobody likes to think about death — so it’s a hard sell to get people to spend a week ...

If you ask a toddler, "How much is 19+45?" They could find it slightly harder to respond to the question promptly. Difficulty is subjective, which means what may be challenging for one person may not ...