This week, Jonathan asked us if it's possible for two planets to share the same orbit. Naked Scientist Graihagh Jackson put this to Dr Stuart Higgins from Cambridge University... Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Why does spicy food make me hiccup?

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...