Sir Robin Knox Johnston's race, 50 years on
On this edition, we hear from Sir Robin Knox Johnston as he prepares to celebrate the 50th anniversary of his epic round the world voyage.\nAlso this week, the world's biggest maritime technology event took place in Southampton and plans have been unveiled to use DNA to identify some of the victims of the Titanic disaster. \nPodcast produced and presented by Neil Sackley.\nemail: h2o@bbc.co.uk