Amy and Emily speak to Mike Tipton (University of Portsmouth, UK) about how his research influenced the recent RNLI Respect the Water campaign, and Laura Crotty Alexander (University of California San Diego, US) about the hidden dangers of e-cigarettes.

They also discuss: Could Rose really have survived the cold water in Titanic? What is the world record for breath holding? And what are the benefits of unilateral nostril breathing?