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Discovery

BBC World Service

Explorations in the world of science.

science

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26:59

Driverless Cars

Discovery ·

2014/06/16

Jack Stewart meets the engineers who are building vehicles that drive themselves. He has a ride in Google's driverless car, which has no steering wheel and no pedals. Google's Chris Urmson explains the company's approach to autonomous vehicles. Jack visits Stanford University's driverless car project where professor Chris Gerdes shows him Shelley, an automated Audi that races around a track at speed as well as a human driver. Chris is collaborating with a philosopher to explore some of the difficult

26:56

Driverless Cars

Discovery ·

2014/06/09

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

27:00

Taming the Sun

Discovery ·

2014/06/02

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

27:00

Beauty and the Brain

Discovery ·

2014/05/26

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

27:00

Alf Adams

Discovery ·

2014/05/19

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

26:59

Mark Miodownik

Discovery ·

2014/05/12

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

26:59

Sue Black

Discovery ·

2014/05/05

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

26:58

Whatever Happened to Biofuels - Part Two

Discovery ·

2014/04/28

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

26:59

Whatever Happened to Biofuels?

Discovery ·

2014/04/21

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

27:00

Peter Higgs

Discovery ·

2014/04/14

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

27:00

Vikram Patel

Discovery ·

2014/04/07

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

26:59

Inside the Shark's Mind

Discovery ·

2014/03/31

Fatal shark attacks on humans have been on the increase in Australia. For Discovery, marine biologist Dr Helen Scales finds out how scientists are exploring new, humane ways to reduce this number. At the start of this year, the state government of Western Australia decided to undertake the culling of sharks longer than three metres, after what they called an “unprecedented number of attacks”. In February, thousands of Australians protested against the cull, with conservationists claiming that it

26:59

The Biology of Freedom

Discovery ·

2014/03/24

Is free will unique to humans or a biological trait that evolved over time and across species? Whilst the existence and nature of free will has been hotly debated by philosophers through the centuries, the basic idea that we determine our own destiny is fundamental to human experience. We can even decide to act in ways which may threaten our very existence. Biology underpins how we behave but it is the human mind that decides to act. Recently, however, this idea has come under attack from

27:01

Fructose: the Bittersweet Sugar

Discovery ·

2014/03/17

If you believe the headlines fructose is 'addictive as cocaine', a 'toxic additive' or a 'metabolic danger'. So how has a simple sugar in fruit and honey got such a bad name and is there any evidence behind the accusations that it has caused the obesity epidemic? Meanwhile, a new health claim approved by the European Food Safety Authority for foods or drinks substituting fructose for other sugars, comes into force. Dr Mark Porter talks to leading world experts to sift through the evidence in

26:46

Hack my Hearing

Discovery ·

2014/03/10

Audiologists are concerned there may be a rising tide of 'hidden hearing loss' among young people. As electronic prices have fallen, sound systems have become cheaper and more powerful. At the same time, live music events and personal music players are more popular than ever, resulting in an increase in noise-related hearing damage. Aged 32, science writer Frank Swain is losing his hearing. In this programme, he asks what the future holds for people like him, part of a tech-savvy generation who want

26:41

Show me the Way to Go Home

Discovery ·

2014/03/03

Gardening grandmother Ruth Brooks, also known as 'the snail lady', was chosen as the BBC's Amateur Scientist of the Year in 2010. She noticed that despite repeatedly throwing her snails over the garden fence, her gastropods would return home to decimate her petunias. From her Radio 4 experiments, designed by mentor Dr Dave Hodgson, from the University of Exeter, they showed that snails do have a homing instinct, returning from distances of over 10 metres. In this documentary, Ruth sets out to

26:59

Saving the Oceans - Part Four

Discovery ·

2014/02/24

In part four of Saving the Oceans, Joel finds out how knowledge of the seas from Australia’s Aboriginal communities can feed into modern ocean science. And at Seasim - the world’s largest marine research laboratory - he looks at the ways human fertilisation treatments are being applied to help conserve coral. This includes techniques from human sperm banks being applied to coral. He also speaks to the scientists unlocking coral genetics in an attempt to help them survive rising sea

26:59

Saving the Oceans - Part Three

Discovery ·

2014/02/17

We look at the impact of climate change, overfishing and pollution on marine eco-systems and examine the scientific solutions to some of those issues. Presented by Joel Werner from the Australian broadcaster ABC Radio National, the series focuses on the improvements both for marine life and the people who depend on oceans for their livelihoods.In the third programme Joel looks at how data analysis has helped reduce deaths of seabirds caught up in commercial fishing operations. He hears how the same

27:00

Saving the Oceans - Part Two

Discovery ·

2014/02/10

The second episode in our four-part series Saving the Ocean in which we look at the impact of climate change, overfishing and pollution on ocean environments, and examine the scientific solutions to some of those issues. Presented by Joel Werner from the Australian broadcaster ABC Radio National, the series focuses on the improvements both for marine life and the people who depend on oceans for their livelihoods.In this second programme Joel looks at plans to help conserve sharks in the waters

26:57

Saving the Oceans - Part One

Discovery ·

2014/02/03

Saving the Ocean looks at the impact of climate change, overfishing and pollution - and examines the scientific solutions to some of those issues. In the first programme Joel Werner visits Kiribati – an isolated Pacific island group threatened by rising sea levels. They are also facing a range of more immediate problems - a high human population and a shortage of land puts pressure on natural resources. Joel meets the scientists working to keep the population afloat on these tiny coral atolls. He

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