Contributor(s): Dr Chris Smith | Dr Chris Smith explores present-day predicaments and tomorrow's technologies, from the most surprising facts to the most innovative new inventions, from staggering stats to serious developments that will transform the world around us. Chris Smith is a medical doctor and scientist, employed as a specialist registrar and clinical lecturer in virology at Cambridge University. He is also the founder and driving force behind The Naked Scientist, a live weekly radio talkback show aired by the BBC.