We explore the smells created by that wet weather phenomenon, rain. What brings about the damp, earthy smell? Plus, we ask if olive oil really is good for you. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Is olive oil better for you?

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...