We find out what it is that makes rice-based cereals so noisy. Plus, we ask how does a pacemaker know to keep step with a human heart? Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Setting the Pace

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...