If blood is full of iron does that mean magnetic jewellery is good for you? We find out. Plus, we ask if there is any science to being photogenic. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

What Makes Someone Photogenic?

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...