The Unknown Elements of Barbie

Last week we talked about passwords, the quantities we need nowadays and the terrible and terribly easy to crack ones that we choose. I asked for your listener stories which prompted Gregory to get in touch. Well done to those who answered correctly and to everyone else who now know a truly obscure science fact. Quizova: Do you still do postcards or do you just kind of over that now? You can also WhatsApp us if you prefer more modern routes plus 44 330 678 3080 or email unexpected at bbc.co.uk.