It's Q&A time! In this episode we'll be answering questions from you, our listeners, such as how close are we to developing a vaccine against the common cold, what's it like to live on Mars and what are the weirdest animals in Antarctica? That's right this week is dedicated to you. We're answering all your questions with the help of supernova scientist Sarafina Nance, marine mastermind Huw Griffiths, viral virtuoso John Tregoning and genetic genius Nessa Carey... Like this podcast? Please help us by supporting the Naked Scientists