We find out why we're often told that olive oil is better for you. Is there any truth to the advertising? Plus, we ask about the dangers of apple cores! Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Are apple cores poisonous?

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...