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BBC World Service

Discovery

What effect will warming temperatures have on health? One place to look for answers is Bulgaria. In the summer of 2023, Bulgaria experienced numerous heatwaves, leading to the country experiencing one of the highest rates of heat mortality in Europe. But how are these numbers calculated? How exactly does heat affect us? Who is most likely to suffer from ill health due to heat? And how can we protect ourselves in an increasingly warming world? Along with a panel of experts, Claudia Hammond will explore these questions and more with a live audience at the Sofia Science Festival in Bulgaria. Are we prepared for how rising temperatures will affect our health? This programme aims to find out.

How does heat affect our health?

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 crossing the road. 

In 2005 Brian was awarded a Royal Society Research Fellowship for his work on high energy particle collisions at CERN and elsewhere – an enviable academic achievement. In 2009, he was voted one of the sexiest men alive by People magazine. He has invented a new kind of celebrity – a scientist who is regularly snapped by the paparazzi.

Brian wants everyone to be as excited as he is about the laws that govern our universe - the beautiful, counter-intuitive and often weird world of quantum mechanics that explains what happens inside the nucleus of every atom, right down at the level of those exotically named elementary particles – quarks, neutrinos, gluons, muons. 

Challenged by Jim to explain the rules of quantum mechanics in just a minute, Brian succeeds; while conceding that the idea that everything is inherently probabilistic, is challenging. Even Einstein found it difficult. Schrodinger’s cat, or Brian Cox, for that matter, are simultaneously both dead and alive. That’s a fact. What this is all means is another question. “Am I just an algorithm?” Brian asks. “Probably”, says Jim. 

Producer: Anna Buckley

(Photo: Brian Cox, BBC copyright)

Brian Cox

"I'm determined to prove botany is not the 'Cinderella of science'". That is what Professor Kathy Willis, director of Science at the Royal Botanic Garden in Kew, told the Independent in 2014. In the two years since she took on the job at Kew she has been faced with a reduction in government funding. So, Kathy Willis has been rethinking the science that is to be done by the staff of the Gardens and has been criticised for her decisions.

But as well as leading this transformation, Kathy has a distinguished academic career in biodiversity. She is currently a professor at Oxford University and, during her research career, she has studied plants and their environments all over the world, from the New Forest, when she was a student in Southampton, to the Galapagos Islands where she studied the impact of the removal of the giant tortoises on the vegetation there.

(Photo: A Galapagos turtle walks in the Primicias farm in Santa Cruz Island, Galapagos Archipelago, Ecuador, Credit: AFP/Getty Images)

Future of Biodiversity

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.

The Life Scientific - Peter Goadsby

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.

Inside Health: How can we age well?

Dr Chris van Tulleken shares stories from the making of his chart-topping podcast, Fed. In conversation with Leyla Kazim, at Hay Festival 2024.

In Fed, Dr Chris van Tulleken, investigated the entangled web of forces that shape what ends up on our plates. And he focused his investigation around one foodstuff in particular. The most widely eaten meat on our planet, a staple of nearly every diet and a global food production phenomenon: the humble chicken, Chris dug into the history of our relationship with this extraordinary animal, to try to get to the truth of why we eat so much of it, and what that means for the birds, for us, and for the planet.

In this lively conversation, recorded live at Hay festival 2024, Chris talks to Leyla Kazim about the hidden stories behind the globalised food networks of today. From industrial-scale farming, to food labelling, to ethical dilemmas, environmental quandaries, and the complexities of the world of fast food. Plus tales from the adventure that ran through the whole series: raising his own tiny flock of broiler chickens, in his back garden.

Hay Festival Special

Perhaps you couldn't drift off, or maybe you woke in the middle of the night and then couldn't nod off again.
In this edition of Inside Health we're talking all about insomnia. It’s an issue that may affect many of us at some point in our lives – but for some it goes beyond a short period of not being able to sleep and becomes something more serious.
James is joined by a trio of experts ready to answer to them: Dr Allie Hare, president of the British Sleep Society and consultant physician in sleep medicine at the Royal Brompton Hospital, Colin Espie, a professor of sleep medicine at Oxford University and Dr Faith Orchard, a lecturer in psychology at Sussex University. We’re going to find out why we get insomnia, when to seek help and how much factors like ageing, menopause, needing the loo or shift work matter. And we'll look at the latest advice and treatments. Can insomnia be fixed?

Inside Health: Can Insomnia be fixed?

In 2016, Niall McCann was left with a bruised spinal cord when he crashed his speed glider into the side of a mountain at 50mph.

He shares his journey to recovery and some unexpected life lessons he has had to navigate, from soiling himself in inconvenient places and not being able to control his flatulence, to having to re-learn how to have sex again.

We also hear from a Mountain Rescue medic on what looked like an “unsurvivable” situation and Niall’s surgeon on fixing his “exploded” spine.

Inside Health: Life after my mountain accident

A mathematician searching for love discovers that relationships aren’t always as simple as equations—are his calculations the issue, or is there something deeper at play? Meanwhile, at an engineering conference, a young researcher’s seemingly minor mistake uncovers a scandal of epic proportions. Can numbers find love or unveil problems? From personal dilemmas to professional revelations, this episode dives into the unexpected ways numbers can change lives.

Uncharted: Love Bytes

Amid the desperation of war-starved Netherlands, a doctor defies conventional wisdom to save gravely ill children, uncovering a treatment that sparks both hope and controversy. Years later, in 1967, a young female researcher detects a strange, pulsing signal. Could it be mundane interference or evidence of alien life? From lifesaving breakthroughs to cosmic discoveries, this story celebrates the determination of pioneers who challenge convention and pursue truth against the odds.

Uncharted: The grain of truth

Anne Magurran started her career as an ecologist counting moths in an ancient woodland in northern Ireland in the 1970s, when the study of biological diversity was a very young science. Later she studied piranas in a flooded forest in the Amazon. Turning descriptions of the natural world into meaningful statistics is a challenge and Anne has pioneered the measurement of bio-diversity. It’s like an optical illusion, she says. The more you think about bio-diversity the more difficult it is to define. After a bout of meningitis in 2007, she set up BioTime, a global open access database to monitor changes in biodiversity over time and is concerned about ‘the shopping mall effect’. Just as high streets are losing their distinctive shops and becoming dominated by the same chain stores, so biological communities in different parts of the world that once looked very different are now starting to look the same.

Anne Magurran

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