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    Science

    Discovery

    Explorations in the world of science.

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    Copyright: © (C) BBC 2026

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    Latest Episodes:
    Driverless Cars Jun 09, 2014
    Show notes

    Most traffic accidents are caused by human error. Engineers are designing vehicles with built in sensors that send messages to other cars, trucks, bikes and even pedestrians, to prevent collisions happening. The idea is to make the vehicles react to whatever's going on faster than the human drivers.

    Jack Stewart drives around the university town of Ann Arbor, in Michigan, in some of the many vehicles that are fitted with experimental devices in the world's largest connected vehicles project. He finds out how the system works from researchers at UMTRI, the University of Michigan's Transportation Research Institute, including the director, professor Peter Sweatman and human factors expert Dr Jim Sayer, Kirk Steudle, Director, Michigan Department of Transportation and a resident who has had her car fitted with an experimental device.

    (Photo: Right hand wing mirror, Nevada, USA, BBC copyright)


    Taming the Sun Jun 02, 2014
    Show notes

    ITER is the most complex experiment ever attempted on this planet. Its aim, to demonstrate that nuclear fusion, the power of the Sun, can give us pollution free energy that we can use for millions of years. But at the moment, it's still largely a vast building site in the Haut Provence of southern France, with little prospect of any nuclear reactions there for another decade. A recent management report made damning criticisms of the way ITER is run, of the relations between the central organisations, and the seven partners (USA, Russia, Japan, China, South Korea, India and Europe) contributing to the project. Roland Pease has been to Cadarache to see how work is progressing, and to hear of the hopes of the scientists who have dedicated their working lives to the dream.

    (Photo: The empty magnet-winding hall at ITER, BBC copyright)


    Beauty and the Brain May 26, 2014
    Show notes

    Dr Tiffany Jenkins asks what our brains can tell us about art. Can there ever be a recipe for beauty? Or are the great works beyond the powers of neuroscience?

    She talks to Professor Semir Zeki of University College London, the first person to coin the term, neuroaesthetics, about what happens in the brain when people in a scanner see paintings or hear music.

    Professor Gabi Starr at New York University tells Tiffany Jenkins why she thinks there are parts of the brain that light up when we like an art work.

    Tiffany visits Christie's auction house to explore whether the best art always commands the best prices.

    She also talks to Martin Kemp, Emeritus Professor of Art History at Oxford University, about our different responses to authentic paintings and to fakes.

    And Tiffany discusses with art critic JJ Charlesworth why neuroscience is having an influence in some areas of art appreciation.

    Picture: The reflection of trees in water, Credit: Getty


    Alf Adams May 19, 2014
    Show notes

    Alf Adams FRS, physicist at the University of Surrey, had an idea on a beach in the mid-eighties that made the modern internet, CD and DVD players, and even bar-code readers possible. You probably have half a dozen 'strained-layer quantum well lasers' in your home.

    Image credit: Alf Adams, BBC Copyright


    Mark Miodownik May 12, 2014
    Show notes

    Mark Miodownik's chronic interest in materials began in rather unhappy circumstances. He was stabbed in the back, with a razor, on his way to school. When he saw the tiny piece of steel that had caused him so much harm, he became obsessed with how it could it be so sharp and so strong. And he's been materials-mad ever since.

    Working at a nuclear weapons laboratory in the US, he enjoyed huge budgets and the freedom to make the most amazing materials. But he gave that up to work with artists and designers because he believes that if you ignore the sensual aspects of materials, you end up with materials that people don't want.

    For Mark, making is as important as reading and writing. It's an expression of who we are, like music or literature, and 'everyone should be doing it'. To this end, he wants our public libraries to be converted into public workshops, with laser cutters and 3 D printers in place of books.

    Image: Mark Miodownik, BBC Copyright


    Sue Black May 05, 2014
    Show notes

    Forensic anthropologist professor Sue Black began her career with a Saturday job working in a butcher's shop. At the time she didn't realise that this would be the start of a lifelong fascination with anatomy. Her job has taken her to some extreme and challenging locations to identify human bodies, such as Kosovo, where she uncovered evidence used in the UN's War Crimes Tribunal in The Hague.

    Back home, Sue has been integral in solving many high-profile criminal cases, including cracking Scotland's biggest paedophile ring in 2009.

    In The Life Scientific, Jim al-Khalili asks how she deals with the emotional pressures of the job, and why she is so fascinated by the inner workings of the human body.

    In her spare time, Sue Black also advises crime fiction authors like Val McDermid, providing inspiration for new plotlines and characters. In return, Val and a group of writers have offered to help with Sue's latest challenge - fundraising for a mortuary. This facility will use new techniques to embalm bodies and promises to revolutionise the way surgeons are trained.

    (Photo: Sue Black, BBC copyright)


    Whatever Happened to Biofuels - Part Two Apr 28, 2014
    Show notes

    Whatever happened to biofuels? They were seen as the replacement for fossil fuels until it was realised they were being grown on land that should have been used for food crops. But now there is serious research into new ways of producing biofuels, from waste materials, from algae and from bacteria.

    Gaia Vince takes to the water of Strangford Lough in Northern Ireland where Professor Matthew Dring and Dr Karen Mooney from Queens University, Belfast, are experimenting in growing algae that could be turned into fuel. She visits Professor Alison Smith's algae lab at Cambridge University. Graham Ellis from Solazyme in California explains how his company has already made fuel from algae that has been sold at the pumps and powered a plane, in a mixture with conventional fuel. And Professor Nick Turner at Manchester University and Professor John Love at Exeter University talk about how they are manipulating bacteria to make diesel.


    Whatever Happened to Biofuels? Apr 21, 2014
    Show notes

    Biofuels were hailed as the environmental solution to fossil fuels not that long ago. Made from living crops they take up carbon dioxide as they grow. So burning them shouldn’t disturb the balance of warming gases in the atmosphere.

    But for the last few years the publicity about biofuels has been mainly negative. And for good reason – biofuels are made from crops such as oil palm - grown in place of food crops or even rainforests. In some cases using these crops actually produces more CO2 than burning fossil fuels. However research is being done into new kinds of biofuels that aren’t in competition with food crops.

    Gaia Vince travels to Bavaria in Germany to meet Dr Markus Rarbach, head of biofuels at Clariant. This company has set up a demonstration plant that produces ethanol from sugars in the waste products of wheat grown nearby.

    Also on the programme is professor Gregory Tucker from Nottingham University who talks about research into new ways of getting sugars out of the inedible parts of crops; agricultural economist, Dr Paul Wilson, discusses what farmers think about making biofuels out of their straw; and Dr Angela Karp at Rothamsted Research, who is growing new willow varieties, which could be made into biofuels.

    Image Credit: Clariant


    Peter Higgs Apr 14, 2014
    Show notes

    An extended interview with the Nobel prize laureate. Peter Higgs tells Jim Al-Khalili that he failed to realise the full significance of the Higgs boson and to link it to the much celebrated Standard Model of Physics. He puts the oversight down to a string of missed opportunities, including one night at a physics summer camp when he chose to go to bed early.

    Working alone in Edinburgh in the 1960s, Peter Higgs says he was considered "a bit of a crank... No-one wanted to work with me". In 1964, he predicted the possible existence of a new kind of boson but, at the time, there was little interest.

    Three years later, the Higgs mechanism was shown to be central to the new Standard Model of Physics, which brings together three of the four fundamental forces of nature and has dominated physics ever since. Higgs met one of the key architects of the Standard Model several times, but they failed to realise they were working on the same thing.

    The 1970s were an exciting time for particle physics but Higgs says he lacked technical competency. He adds that work pressure contributed to the breakdown of his marriage. Four decades and several billion pounds on, scientists at the Large Hadron Collider at CERN confirmed that the Higgs boson had indeed been found and Peter Higgs shot to fame.

    This ephemeral speck of elusive energy is now so well-known it's featured in car adverts and countless jokes. There's even song by Nick Cave called the Higgs Boson Blues. But Higgs has always called it the 'scalar boson' and remains embarrassed that it is named after only him. He remains surprised that another British physicist, Tom Kibble from Imperial College, London didn't share the 2013 Nobel Prize for Physics along with him and Belgian physicist, Francois Englert.

    These days, he's constantly stopped in the street and asked for autographs and photographs which, he says, is "nice but a bit of a nuisance".

    Producer: Anna Buckley Image Credit: BBC


    Vikram Patel Apr 07, 2014
    Show notes

    Jim al-Khalili talks to psychiatrist Vikram Patel about the global campaign he is leading to tackle mental health. He reflects on his early career working in Zimbabwe, when he doubted any western diagnosis or treatments for peoples' distress would be of much use. However, his subsequent research made him question this and come to the realisation that some conditions, like depression and psychosis, could be tackled universally. Now based in India, Vikram's research guides the public health approach he is taking. Yet critics question the application of Western categories for diagnosis and treatment to other parts of the world.

    (Photo: Vikram Patel)


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