Dr Doom's investment advice

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Economist Marc Faber, nicknamed Dr Doom, has predicted a coming disaster in the global economy as a result of the printing of money by central banks. He tells Lesley Curwen that the place to invest is not in paper currencies which have been devalued, but in gold and other precious metals. And the BBC's Paulo Cabral reports from Brazil on its world-beating recycling of drinks cans, thanks to an army of scavengers who collect them. Plus, our regular commentator Lucy Kellaway takes a quizzical look at how the vampire stories of Twilight inspired one hedge fund manager.