Listener Loot got in touch to ask how the moon got its markings.  Claire Armstrong  looked towards the heavens for the answer and spoke to the Open University's planetary expert Professor David Rothery. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Why does our stomach grumble when we are hungry?

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...