The moon and its fickle phases are analysed in this week's question. Does someone in Australia see the same full moon at the same time as someone in the UK? Does being on the other side of the world change the view? Plus, we ask why travelling backwards makes some people ill. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Why does travelling backwards make you feel ill?

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...