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Discovery podcast

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  BBC World Service  

Explorations in the world of science.

Explorations in the world of science.

 

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Duration

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#774

Inside Health: How can we age well?

From the Hay Festival, James and a panel of experts explain what we can all do to help ourselves age well. We discover what’s going on in our bodies when we age, the difference between biological and chronological age, as well as getting the audience moving for a physical test. James is joined by gerontologist Sarah Harper from the University of Oxford, biomedical scientist Georgina Ellison-Hughes from King’s College London, and doctor Norman Lazarus to understand how exercise, diet, and mental health all have a part to play in how we age. ... Read more

16 Dec 2024

26 MINS

26:28

16 Dec 2024

#773

The Life Scientific - Peter Goadsby

Throbbing head, nausea, dizziness, disturbed vision – just some of the disabling symptoms that can strike during a migraine attack. This neurological condition is far more common than you might think, affecting more people than diabetes, epilepsy and asthma combined. While medications, to help relieve the symptoms of migraine, have been around for some time, they haven’t worked for everyone. And what happens in the brain during a migraine attack was, until recently, poorly understood. Peter Goadsby is Professor of Neurology at King's College London’s Institute of Psychiatry, Psychology & Neuroscience and is a true pioneer in the field of migraine. Over the course of his career, he has unravelled what happens in the brain during a migraine attack and his insights are already benefiting patients - in the form of new medications that can not only treat a migraine, but also prevent it from occurring. Peter shares this year’s Brain Prize, the world's largest prize for brain research, with three other internationally renowned scientists in the field. ... Read more

09 Dec 2024

26 MINS

26:27

09 Dec 2024

#772

The Life Scientific: Kip Thorne

Kip Thorne is an emeritus professor of theoretical physics at Caltech, the California Institute of Technology, and someone who has had a huge impact on our understanding of Einsteinian gravity. Over the course of his career Kip has broken new ground in the study of black holes, and been an integral parts of the team that recorded gravitational waves for the very first time – earning him a share in the 2017 Nobel Prize for Physics. He went on to promote physics in films: developing the original idea behind Christopher Nolan’s time-travel epic Interstellar and, since then, advising on scientific elements of various big-screen projects; including, most recently, the Oscar-winning Oppenheimer. In a special edition of The Life Scientific recorded in front of an audience of London’s Royal Institution, Prof Jim Al-Khalili talks to Kip about his life and career, from his Mormon upbringing in Utah to Hollywood collaborations – all through the lens of his unwavering passion for science. ... Read more

02 Dec 2024

26 MINS

26:29

02 Dec 2024

#771

The Life Scientific - Vicky Tolfrey

It's summer - no really - and although the weather might have been mixed, the sporting line-up has been undeniably scorching - from the back-and-forth of Wimbledon, to the nail-biting Euros, to the current pageantry of the Summer Olympics. Next month the 2024 Paralympic Games get underway in Paris, involving the world’s very best para athletes; and Professor Vicky Tolfrey is at the forefront of the science that makes their sporting dreams a reality. Vicky is the Director of the Peter Harrison Centre for Disability Sport at Loughborough University, a hub for elite para-sport research. She’s worked with stars from the worlds of wheelchair athletics, basketball, rugby and tennis, amongst others – and in 2017, became the first European recipient of the International Paralympic Committee’s prestigious Scientific Award. She tells Professor Jim Al-Khalili about her work with elite para athletes, her experiences at major international sporting events, and her childhood dreams of becoming an Olympian herself. ... Read more

25 Nov 2024

26 MINS

26:28

25 Nov 2024

#770

The Life Scientific - Dawn Bonfield

The engineering industry, like many other STEM sectors, has a problem with diversity: one that Dawn Bonfield believes we can and must fix, if we're to get a handle on much more pressing planetary problems... Dawn is a materials engineer by background, who held roles at Citroën in France and British Aerospace in the UK. But, after having her third child, she made the difficult decision to leave the industry - as she thought at the time, for good. However a short spell working in post-natal services and childcare gave her new skills and a fresh perspective. This led to Dawn rehabilitating the struggling Women in Engineering Society and creating ‘International Women In Engineering Day’, which has just celebrated its 10th anniversary. Today, she’s Professor of Practice in Engineering for Sustainable Development at King’s College London, and the founder of Magnificent Women: a social enterprise celebrating the story of female engineers over the past century. She’s also President of the Commonwealth Engineers’ Council and has had her work supporting diversity and inclusion recognised with an MBE. Dawn talks to Professor Jim Al-Khalili about why 'inclusive engineering' should not be dismissed as tokenism, and why she's optimistic about the engineering sector's power to change the world. ... Read more

18 Nov 2024

26 MINS

26:28

18 Nov 2024

#769

The Life Scientific: Raymond Schinazi

In recent decades, we have taken huge steps forward in treating formerly fatal viruses - with pharmacological breakthroughs revolutionising treatment for conditions such as HIV, hepatitis and herpes. Raymond Schinazi has played a big role in that revolution. Ray was born in Egypt, where his mother’s brush with a potentially deadly illness during his childhood inspired a fascination with medicine. His childhood was scattered; after his family were forced to leave their homeland and travelled to Italy as refugees, Ray ended up on a scholarship to a British boarding school - and subsequently went on to study and flourish in the world of chemistry and biology. Today, Ray is the director of the Laboratory of Biochemical Pharmacology at Emory University in Atlanta, where he also set up the renowned Center for AIDS Research. His work in the early days of HIV studies led to drugs that many with the virus still take today; while his contribution to developing a cure for Hepatitis C has saved millions of lives around the world. Speaking to Jim al-Khalili, Ray reflects on his route to success and explains why he is confident that more big breakthroughs are on the horizon. ... Read more

11 Nov 2024

26 MINS

26:28

11 Nov 2024

#768

The Life Scientific - Janet Treasure

From anorexia nervosa to binge-eating, eating disorders are potentially fatal conditions that are traditionally very difficult to diagnose and treat - not least because those affected often don’t recognise that there’s anything wrong. But also because of the diverse factors that can influence and encourage them. Janet Treasure is a Professor of Psychiatry at King’s College, London - where she's focused on understanding the drivers behind these disorders, to help develop more effective treatments. Her study of twins in the 1980s offered one of the earliest arguments of a genetic link to anorexia, rather than the purely psychological motivations accepted at the time; while her most recent work explores holistic ways to better treat these conditions. Speaking to Jim Al-Khalili, Janet explains the work that's revealed anorexia's roots in both body and mind - as well as how attitudes towards eating disorders are slowly changing. ... Read more

04 Nov 2024

26 MINS

26:28

04 Nov 2024

#767

The Life Scientific: Anne Child

Marfan syndrome is a genetic disorder that makes renders the body’s connective tissues incredibly fragile; this can weaken the heart, leading to potentially fatal aneurysms. What’s more, anyone with the condition has a 50/50 chance of passing it on to their children. Dr Anne Child is a clinical geneticist who’s dedicated her professional life to finding answers and solutions for people affected by Marfan’s. Born in Canada, she met her British future-husband while working in Montreal in a case she describes as "love at first sight" - and in the 1970s she relocated her life to the UK. There, an encounter with a Marfan patient she was unable to help set Anne on a career path for life. She subsequently established the team that discovered the gene responsible for Marfan's, and founded the Marfan Trust to drive further research. Since then, life expectancy for those with the condition has jumped from 32 years old, to over 70. Speaking to Professor Jim Al-Khalili, Anne shares how she and her team achieved this remarkable turnaround. ... Read more

28 Oct 2024

26 MINS

26:29

28 Oct 2024

#766

The Life Scientific: Conny Aerts

Many of us have heard of seismology, the study of earthquakes; but what about asteroseismology, focusing on vibrations in stars? Conny Aerts is a professor of Astrophysics at the University of Leuven in Belgium - and a champion of this information-rich field of celestial research. Her work has broken new ground in helping to improve our understanding of stars and their structures. Conny describes herself as always being “something of an outlier” and she had to fight to follow her dream of working in astronomy. But that determination has paid off - today, Conny is involved in numerous interstellar studies collecting data from thousands of stars, and taking asteroseismology to a whole new level. Recorded at the 2024 Cheltenham Science Festival, Prof Jim Al-Khalili talks to the pioneering Belgian astrophysicist about her lifelong passion for stars, supporting the next generation of scientists, and her determination to tread her own path. ... Read more

21 Oct 2024

26 MINS

26:28

21 Oct 2024

#765

The Life Scientific: Dr Nira Chamberlain

When does a crowd of people become unsafe? How well will the football team Aston Villa do next season? When is it cost-effective to replace a kitchen? The answers may seem arbitrary but, to Nira Chamberlain, they lie in mathematics. You can use maths to model virtually anything. ... Read more

14 Oct 2024

26 MINS

26:29

14 Oct 2024

#764

The Beaches

A top secret little-known mission that changed the outcome of World War II. Not Alan Turing's Enigma code-breaking mission but a daring foray, conducted behind enemy lines on the shores of Normandy. Harrison Lewis and wetland scientist Christian Dunn re-enact one of the most remarkable feats of the Second World War and discover the intricate details of the daring but forgotten science that underpinned D-Day. ... Read more

07 Oct 2024

26 MINS

26:29

07 Oct 2024

#763

Protein: Powerhouse or piffle?

Take a trip around the supermarket and you'll see shelves of products claiming to be 'high in protein'. Scroll through your social media and you'll find beautiful, sculpted people offering recipes and ideas for packing more protein into your diet. Science presenters Dr Julia Ravey and Dr Ella Hubber have noticed this too. They wanted to unpick the protein puzzle to find out what it does in our bodies and how much we really need. Can this macronutrient really help us lose weight, get fit and be healthier? Along the way, they speak to Professor Giles Yeo from the University of Cambridge, Bridget Benelam from the British Nutrition Foundation, Paralympian hopeful Harrison Walsh, and food historian Pen Vogler. Presenters: Dr Julia Ravey and Dr Ella Hubber Producer: Alice Lipscombe-Southwell Editor: Martin Smith ... Read more

30 Sep 2024

26 MINS

26:29

30 Sep 2024

#762

The Life Scientific: Mike Edmunds

What is the universe made of? Where does space dust come from? And how exactly might one go about putting on a one-man-show about Sir Isaac Newton? These are all questions that Mike Edmunds, emeritus professor of astrophysics at Cardiff University and president of the Royal Astronomical Society (RAS), has tackled during his distinguished career. And although physics is his first love, Mike is fascinated by an array of scientific disciplines - with achievements ranging from interpreting the spread of chemical elements in the Universe, to decoding the world’s oldest-known astronomical artefact. Recording in front of an audience at the RAS in London, professor Jim al-Khalili talks to Mike about his life, work and inspirations. And who knows, Sir Isaac might even make an appearance. ... Read more

23 Sep 2024

26 MINS

26:28

23 Sep 2024

#761

Hannah Critchlow

With 86 billion nerve cells joined together in a network of 100 trillion connections, the human brain is the most complex system in the known universe. Dr Hannah Critchlow is an internationally acclaimed neuroscientist who has spent her career demystifying and explaining the brain to audiences around the world. Through her writing, broadcasting and lectures to audiences – whether in schools, festivals or online – she has become one of the public faces of neuroscience. She tells Prof Jim Al-Khalili that her desire to understand the brain began when she spent a year after school as a nursing assistant in a psychiatric hospital. The experience of working with young patients - many the same age as her - made her ask what it is within each individual brain which determines people’s very different life trajectories. In her books she explores the idea that much of our character and behaviour is hard-wired into us before we are even born. And most recently she has considered collective intelligence, asking how we can bring all our individual brains together and harness their power in one ‘super brain’. And we get to hear Jim’s own mind at work as Hannah attaches electrodes to his head and turns his brain waves into sound. ... Read more

16 Sep 2024

26 MINS

26:28

16 Sep 2024