We find out whether a giant hulk of steel can disrupt a bird's navigation system. Would a 350,000 ton tanker do the trick? Plus, we ask how cold it can be before hanging out the washing becomes pointless. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Will the washing dry outside in the winter?

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...