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Discovery

BBC World Service

Explorations in the world of science.

science

All Episodes

27:00

Trauma at War

Discovery ·

2014/11/03

They call them 'The Unexpected Survivors'. The casualties from the war in Afghanistan whose injuries were so severe that they were not expected to survive, but who survived nevertheless. In October, after 13 years Britain and the United States officially brought their combat operations in Helmand Afghanistan to an end. Camp Bastion, the coalition stronghold – once one of the largest military bases in the world – has been dismantled leaving a handful of buildings that will now be handed over to the

26:59

Trauma: The Fight for Life

Discovery ·

2014/10/27

Dr Kevin Fong explores the development of modern trauma medicine and discovers how the lessons from conflict and catastrophe have equipped us to deal with even the worst disasters, providing a system that could save lives that would otherwise have been lost. First of two programmes.

26:59

Brian Cox

Discovery ·

2014/10/20

Professor Brian Cox of Manchester University describes how he gave up appearing on Top of the Pops to study quarks, quasars and quantum mechanics. Although he describes himself as a simple-minded Northern bloke, he has acquired an almost God-like status on our TV screens, while the ‘Cox effect’ is thought to explain the significant boost to university admissions to read physics. He talks to Jim al-Khalili about learning to be famous, his passion for physics and how he sometimes has difficulty

27:00

Urine Trouble: What’s in our Water

Discovery ·

2014/10/13

You have a headache and take a pill. The headache is gone, but what about the pill? What we flush away makes its way through sewers, treatment works, rivers and streams and finally back to your tap. Along the way most of the drugs we take are removed but the tiny amounts that remain are having effects. Feminised fish in our rivers, starlings feeding on Prozac-rich worms, and bacteria developing antibiotic resistance - scientists are just beginning to understand how the drugs we take are leaving

26:58

Patients Doing It for Themselves

Discovery ·

2014/10/06

Patient power is on the rise. But is it rising too far? Frustrated by the time it takes to develop new drugs, the ethical barriers to obtaining clinical data or the indifference of the medical profession to obscure diseases, patients are setting up their own clinical trials and overturning the norms of clinical research. A DIY clinical trial sounds like a joke – and a dangerous one at that. But as Vivienne Parry discovers, it's real and on the rise as greater access to medical data allows more

27:00

Preventing Disease in Animals

Discovery ·

2014/09/29

Diseases devastate livestock around the world. In chickens for example the deadly strain of bird flu and the lesser known bacterial infection Campylobacter, not only harms the chickens but is also a real threat to human health. Melissa Hogenboom visits one of the world’s leading genetics institutions, the Roslin Institute in Edinburgh in the UK and hears about new genetic techniques to combat diseases in our livestock. In chickens, professor Helen Sang uses a subtle form of genetic modification,

26:55

Beyond the Abyss

Discovery ·

2014/09/22

Rebecca Morelle talks to explorers of deep ocean trenches, from film-maker James Cameron to biologists discovering dark realms of weird pink gelatinous fish and gigantic crustaceans. The deepest regions of the ocean lie between 6,000 and 11,000 metres. Oceanographers term this the Hadal Zone. It exists where the floor of abyss plunges into long trough-like features, known as ocean trenches. The Hadal zone is the final frontier of exploration and ecological science on the planet. At its most extreme,

26:57

Power Transmission

Discovery ·

2014/09/15

Gaia Vince looks at the future of power transmission. As power generation becomes increasingly mixed and demand increases, what does the grid of the future look like?

26:59

Biosafety

Discovery ·

2014/09/08

Accidents happen in science labs all over the world, but when you’re working with deadly pathogens the consequences can be disastrous. The reputation of America’s ‘gold standard’ The Centres for Disease Control and Prevention in Georgia has recently become tarnished as news emerged that 80 workers were inadvertently exposed to live anthrax, and a deadly strain of flu was accidentally sent to another lab. Further reports of tick-box safety culture, lethal samples sent in ziplock plastic bags and

26:59

Mum and Dad and Mum

Discovery ·

2014/09/01

Alana Saarinen is a 13-year-old girl who lives with her mum and dad in Michigan, USA. She loves playing golf and the piano, listening to music and hanging out with friends. In those respects, she's like many teenagers around the world. Except she's not, because Alana is one of a handful of people in the world who have DNA from three people. The BBC's Science Correspondent Rebecca Morelle explores how more children like Alana could be born. The UK is looking to legalise a new technique which would

26:59

Antibiotic Resistance Crisis - Part Two

Discovery ·

2014/08/25

Infectious bacteria are becoming resistant to the drugs that used to kill them. The last new class of antibiotics was discovered in the 1980s. There is little in the development pipelines of the world’s pharmaceutical industry. Drug companies got out of antibiotics as their attention switched to much more lucrative daily medicines for chronic diseases. Public funding on antibiotic research has also withered. Now that the gathering crisis of antibiotic resistance is becoming recognised by

26:27

Antibiotic Resistance Crisis - Part One

Discovery ·

2014/08/18

The discovery and harnessing of antibiotic drugs in the mid-20th Century led some medics to predict the end of infectious diseases. But the bacteria fought and continue to fight back, evolving resistance to many of the drugs that used to kill them. Public health officials warn that without new drugs, medicine will return to the days where ‘a cut finger on Monday leads to death of Friday’. Without protective antibiotics to keep infections at bay, scores of standard surgical operations and

26:58

Cosmology

Discovery ·

2014/08/11

In March astronomers in the BICEP2 collaboration announced they had found gravitational waves from the Big Bang. But now the evidence is being questioned by other scientists. Dr Lucie Green reports on the debate and asks if scientists can ever know what happened billions of years ago when the universe was formed.Image copyright: Steffen Richter, Harvard University

29:27

Rosetta Mission Arriving At Comet

Discovery ·

2014/08/04

On 6th August, the space probe Rosetta ends its 10 year journey and arrives at Comet 67P/Churyumov-Gerasimenko. If all goes well, Rosetta will be the first spacecraft to go into orbit around a comet. The European Space Agency probe will then accompany the comet until December 2015, studying the 4 kilometre-wide lump of ice and rock dust at a level of detail far surpassing any previous comet flyby.In the words of Rosetta scientist Joel Parker, “Previous comet missions have been one-night stands,

26:59

Professor Sir Michael Rutter

Discovery ·

2014/07/28

Professor Sir Michael Rutter has been described as the most illustrious and influential psychiatric scientist of his generation. His international reputation has been achieved despite the fact that as a young doctor, he had no intention of becoming a researcher, nor interest in becoming a child psychiatrist. In fact he became a world leader as both. His career has spanned more than five decades and is marked by a remarkable body of high-impact research and landmark studies. The theme running through

27:00

What has Happened to El Nino?

Discovery ·

2014/07/21

At the start of 2014 meteorologists warned of a possible El Nino event this year. The portents were persuasive – a warming of the central Pacific much like that which preceded the powerful El Nino event of 1997. But since then the Pacific climate system seems to have stalled. What’s going on? What are the prospects for an El Nino to develop later this year? What impacts might it have? Roland Pease delves below the Pacific surface to find out what drives El Nino cycles, the most powerful single

26:58

Swarming Robots

Discovery ·

2014/07/14

Adam Hart looks at how new developments in understanding insect behaviour, plant cell growth and sub cellular organisation are influencing research into developing robot swarms. Biological systems have evolved elegant ways for large numbers of autonomous agents to govern themselves. Staggering colonies built by ants and termites emerge from a decentralized, self-governing system: swarm intelligence. Now, taking inspiration from termites, marine animals and even plants, European researchers are

26:59

Anaesthesia

Discovery ·

2014/07/07

General anaesthetics which act to cause reversible loss of consciousness have been used clinically for over 150 years. Yet scientists are only now really understanding how these drugs act on the brain and the body to stop us feeling pain. Linda Geddes reports on the latest research using molecular techniques and brain scanners. Linda visits the Anaesthesia Heritage Centre where William Harrop-Griffiths, president of the Association of Anaesthetists of Great Britain and Ireland, tells her about the

26:56

Janet Hemingway

Discovery ·

2014/06/30

Janet Hemingway, the youngest woman to ever to become a full professor in the UK, talks about her career at the frontline of the war on malaria. Whilst many researchers look for vaccines and treatments to this global killer, Janet's approach, as a trained entomologist, has been to fight the mosquito - the vector - which transmits the malaria parasite.Image: Janet Hemingway, BBC Copyright

26:59

Ageing and the Brain

Discovery ·

2014/06/23

Geoff Watts investigates the latest thinking about our brain power in old age. He meets researchers who argue that society has overly negative views of the mental abilities of the elderly - a dismal and fatalistic outlook which is not backed up by recent discoveries and theories. Geoff talks to professor Lorraine Tyler who leads a large study in Cambridge (CamCAN) which is comparing cognition and brain structure and function in 700 people aged between 18 and 88 years old. He also meets scientists

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