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Will we all abandon our cars in favour of self-driving taxi apps by the year 2030, or is this pure fantasy?Justin Rowlatt takes on the many sceptical responses he received from readers to an article on the BBC website in which he sought to explain "Why you have (probably) bought your last car". In it, Justin laid out the thesis of tech futurist Tony Seba that the convergence of three new technologies - the electric vehicle, autonomous driving, and the ride-hailing app - together spelled the imminent death of the traditional family-owned petrol car.But can AI really handle the complexities of driving? Is there enough lithium in the world for all those car batteries? And what if this new service becomes dominated by an overpriced monopolist? Just some of the questions that Justin pitches to a field of experts, including psychology professor Gary Marcus, management professor Michael Cusumano, renewable energy consultant Michael Liebreich, and Uber's head of transport policy Andrew Salzberg.Credit: Laurence Knight(Picture: Illustration of electric car; Credit: 3alexd/Getty Images)

Had a late night? Well here's a programme about insomnia and the businesses trying to solve it.Elizabeth Hotson takes part in what is possibly the world’s laziest gym class, and speaks to bed manufacturers, sleep app engineers and the inventor of a sleep robot.But does any of these solutions actually work? Elizabeth asks Dr Michael Farquhar, sleep consultant at Evelina London Children’s Hospital. Plus Dr Michael Grandner, director of the sleep and health research programme at the University of Arizona, suggests a cost effective way of curing insomnia. Producer: Elizabeth Hotson(Picture: Man suffering from insomnia; Credit: chameleonseye/Getty Images)

How did whisky become the world's favourite tipple? Elizabeth Hotson discovers the secrets behind the water of life.Rachel McCormack, author of Chasing the Dram, tells us how the giants of scotch attained their legendary status, and we delve into the archives of one of the world's most famous whisky brands with Christine McCafferty of drinks leviathan Diageo. Elizabeth also talks to distillers from across the globe, including Whistlepig from the US state of Vermont, Japan’s Chichibu distillery, Spirit of Hven in Sweden and Rampur from India. She also unlocks the secrets of Scotland's silent distilleries during a visit to Edradour, and samples the most popular whisky cocktail at one of the world's best bars. Lucky Elizabeth!(Picture: Glenlivet barrels; Credit: BBC)