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Discovery

BBC World Service

Explorations in the world of science.

science

All Episodes

49:07

The Evidence: Coronavirus Special

Discovery ·

2020/03/21

A panel of international experts take a global look at the science of Covid-19. We hear about vaccines, treatments, strategies to contain the virus and the role of big data.

34:55

Professor Martha Clokie

Discovery ·

2020/03/16

Professor Martha Clokie tells Jim Al-Khalili how she found viruses that destroy antibiotic-resistant bugs by looking in stool samples, her son's nappies and estuary mud. Could viruses improve our health where antibiotics have failed? As a child, Martha Clokie spent a lot of time collecting seaweed on Scottish beaches. She loves plants and studied botany for many years. But mid-career, she learnt about all the viruses that exist in nature. We tend to focus on the viruses that make us ill but there

26:26

Demis Hassabis

Discovery ·

2020/03/10

Jim Al-Khalili finds out why Demis Hassabis wants to create artificial intelligence and use it to help humanity.Thinking about how to win at chess when he was a boy got Demis thinking about the process of thinking itself. Being able to program his first computer (a Sinclair Spectrum) felt miraculous. In computer chess, his two passions were combined. And a lifelong ambition to create artificial intelligence was born.Demis studied computer science at Cambridge and then worked in the computer games

27:39

Isaac Newton and the story of the apple

Discovery ·

2020/03/02

The story of how Newton came up with his gravitational theory is one of the most familiar in the history of science. He was sitting in the orchard at Woolsthorpe, thinking deep thoughts, when an apple fell from a tree. And all at once, Newton realised that the force of gravity pulling the apple down to the ground must be the same as the force that holds the moon in orbit around the earth. But was that really how he came up with his great idea? These days, historians of science don’t fall for cosy

27:06

Science Stories - Sophia Jex-Blake

Discovery ·

2020/02/24

Naomi Alderman tells the science story of Sophia Jex-Blake, who led a group known as the Edinburgh Seven in their bid to become the first women to graduate as doctors from a British university. Her campaign was long and ultimately personally unsuccessful as she had to go to Switzerland to gain her qualification. Although Edinburgh University allowed the Seven to attend some lectures, they had to be taught apart from the male students. There was great antipathy to the women which culminated in

27:33

Science Stories - Mary Somerville, pioneer of popular...

Discovery ·

2020/02/17

Mary Somerville was a self-taught genius who wrote best-selling books translating, explaining and drawing together different scientific fields and who was named the nineteenth century's "queen of science". Born Mary Fairfax in 1780, she was an unlikely scientific hero. Her parents and her first husband did not support her scientific pursuits and it was only when she became a widow at 28 with two small children that she began to do novel mathematics. With her second husband, William Somerville, she

27:30

Stem cells: Hope and hype

Discovery ·

2020/02/10

Lesley Curwen reports on the magical aura that has been drawing so many people around the world to pay for “regenerative” therapies which harness the healing power of stem cells. In this programme, she reports on the battle of regulators in the USA and in Australia to stop unproven and risky therapies harming patients.Featuring: Texas lawyer Hartley Hampton; Galen Dinning; stem cell researcher and host of The Niche blog, Professor Paul Knoepfler from the University of California, Davis School of

27:23

Stem cell hard sell

Discovery ·

2020/02/03

Stem cells are cells with superpowers. They can become many different types of cells in our bodies, from muscle cells to brain cells, and some can even repair tissue. But the remarkable promise of this exciting new field of medicine has led to a new booming market of private clinics, which offer to treat a range of conditions (from arthritis to autism) using regenerative therapies which they claim harness the healing powers of stem cells. In this first of two programmes, Lesley Curwen investigates

27:33

The road to Glasgow

Discovery ·

2020/01/27

Climate change is upon us. In 2018 the IPCC published a report with the most significant warning about the impact of climate change in 20 years. Unless the world keeps warming to below 1.5% degrees Celsius the impact on the climate will be severe. Sea levels will rise, leading to flooding, and extremes of temperature will become more common. The UK Met Office has forecast that the global average surface temperature for the five-year period to 2023 is predicted to be around 1.0 °C above

27:18

Ecological grief

Discovery ·

2020/01/20

As the Earth experiences more extreme weather, and wildlife is dying, from corals, to insects, to tropical forests, more people are experiencing ecological anxiety and grief. Science journalist Gaia Vince has been reporting on the growing crisis across our planet’s ecosystems, and has met many who are shocked and saddened by the enormity of the environmental changes taking place. She talks to scientists and medics working at the frontline of environmental change, and hears that, despite being

27:29

The misinformation virus

Discovery ·

2020/01/13

In this online age, the internet is a global megaphone, billions of messages amplified and shared, even when they're false. Fake science spreads faster than the truth ever could, unhindered by national boundaries. Mainstream scientists are struggling to respond. The science journalist and writer, Angela Saini, is fascinated by how bad ideas spread and in this programme she investigates the very real impact of online scientific misinformation. From the dangerous anti-vaccination campaigns to those

27:21

The silence of the genes

Discovery ·

2020/01/06

In summer of 2019 NICE approved the use of a completely new class of drugs: the gene silencers. These compounds are transforming the lives of families who have rare debilitating – and sometimes fatal - diseases such as amyloidosis and porphyria. James Gallagher, BBC Health and Science Correspondent, reveals the ups and downs in the story of how a Nobel prize winning discovery of RNA interference has become a useful drug in less than a quarter of a century.Professor Craig Mello, one of the winners of

27:19

Alexis Carrel and the immortal chicken heart

Discovery ·

2019/12/30

Philip Ball tells the story of Alexis Carrel, the French surgeon who worked to preserve life outside the body and create an immortal chicken heart in a dish. His quest was to renew ageing flesh, repair and rebuild our bodies and keep them healthy far beyond the usual human lifespan. In the early twentieth century his science was pioneering but his mission to achieve eternal life was underpinned by a dark and terrifying agenda. Carrel was a racist who advocated eugenics to preserve the superior

27:18

Ramon Llull: Medieval prophet of computer science

Discovery ·

2019/12/23

Philip Ball tells the story of Ramon Llull, the medieval prophet of computer science. During the time of the Crusades Llull argued that truth could be automated and used logic over force to prove the existence of the Christian God. It was a dangerous idea that got him thrown into prison and threatened with execution but today he is hailed, not as a prophet of the Christian faith, but of computer science.Philip Ball talks to historian Pamela Beattie of the University of Louisville in Kentucky about

27:15

Ignaz Semmelweiss: The hand washer

Discovery ·

2019/12/16

Lindsey Fitzharris tells the story of Ignaz Semmelweiss, the hand washer. In a world that had no understanding of germs, he tried to apply science to halt the spread of infection. Ignaz Semmelweis observed that many young medical students at his hospital in Vienna went directly from an autopsy, still covered in contaminated dead flesh, to attend pregnant women. Could this be the reason for such high maternal mortality rates from conditions like puerperal fever? Believing that the disease was caused

27:04

Madame Lavoisier's Translation of Oxygen

Discovery ·

2019/12/09

Philip Ball tells the story of Madame Lavoisier; translator of oxygen. At a time when science was almost a closed book to women, Madame Marie Anne Lavoisier’s skills were indispensable. A translator, illustrator and critic of scientific papers, she learnt chemistry herself and helped her husband Antoine Lavoisier develop his theory of the role played by oxygen in combustion. As modern science was taking shape it lacked any universal language, so communication in many tongues was vital to stay ahead

26:28

Galileo's lost letter

Discovery ·

2019/12/02

Galileo famously insisted in the early 17th Century that the Earth goes round the Sun and not vice versa – an idea that got him into deep trouble with the Catholic Church. In 1633 Galileo was put on trial for heresy by the Inquisition, and was threatened with imprisonment, or worse, if he did not recant. Galileo spent the rest of his days under house arrest and is now seen by some as a near-martyr to science in the face of unyielding religious doctrine. But the discovery of a letter questions the

26:28

Robin Dunbar

Discovery ·

2019/11/25

Maintaining friendships is one of the most cognitively demanding things we do, according to Professor of Evolutionary Psychology Robin Dunbar. So why do we bother? Robin has spent his life trying to answer this deceptively simple question. For most of his twenties, he lived with a herd of five hundred gelada monkeys in the Ethiopian highlands. He studied their social behaviour and concluded that an ability to get on with each other was just as important as finding food, for the survival of the

26:28

Katherine Joy

Discovery ·

2019/11/18

Katherine Joy studies moon rock. She has studied lunar samples that were brought to earth by the Apollo missions (382kg in total) and hunted for lunar meteorites in Antarctica, camping on ice for weeks on end and travelling around on a skidoo. Working at the forefront of the second wave of lunar exploration, she studied remote sensing data from Europe’s first mission to the moon, Smart 1 which launched in 2003 and data from many subsequent missions. She tells Jim Al-Khalili why she believes the

26:28

Sir Gregory Winter

Discovery ·

2019/11/11

In an astonishing story of a scientific discovery, Greg Winter tells Jim Al-Khalili how decades of curiosity-driven research led to a revolution in medicine.Forced to temporarily abandon his work in the lab when a road rage incident left him with a paralysed right arm, Greg Winter spent several months looking at the structure of proteins. Looking at the stunning computer graphics made the pain in his arm go away. It also led him to a Nobel Prize winning idea: to ‘humanise’ mouse antibodies. A visit

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