Overview: Rob Bell boards the ship that kick started the age of polar exploration as he looks at the history of RRS Discovery, the world's first purpose-built scientific vessel. Heading to the Victorian shipbuilding capital of Dundee, Rob finds out why this was the only place in Britain that could make a ship capable of taking on the formidable ice floes of Antarctica, and tells the story of how a chance meeting in London would define the course of polar exploration.