14 hour flights sound like your idea of hell? Paul Jenn wrote in asking whether it was possible to speed up plane journeys, so we went to Neil Scott, head of engineering at Airbus, to find out. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Can you catch a yawn from a cat?

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...