Ghost stories and spooky goings on at Radio 4
190,000 visitors pass through Heathrow every day. No wonder some of them are ghosts.
Five people who have seen a ghost share their experience with Fi Glover.
Archaeologist Christine Finn taps her foot to ancient sounds not heard for millennia.
Sue Lawley's castaway is actor Christopher Lee
Sean Street investigates the sound of fear, the noises and music that scare us, and why.