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Instant Genius

Whether you’re curious about getting healthy, the Big Bang or the science of cooking, find out everything you need to know with Instant Genius. The team behind BBC Science Focus Magazine talk to world-leading experts to bring you a bite-sized masterclass on a new subject each week. New episodes are released every Monday and Friday and you can subscribe to Instant Genius on Apple Podcasts to access all new episodes ad-free and all old episodes of Instant Genius Extra.

Episodes

How making the right dietary choices can help to keep us healthy in every stage of our lives

From the time that we are first developing in the womb right through until we are in our old age, the food we eat has a huge impact on our health and wellbeing. But exactly what should we be feeding our infants, how do the dietary choices we make as adolescents affect us later in life and how can we approach nutrition as we age to make sure we stay healthy for as long as possible? In this episode I speak to Dr Federica Amati, a medical scientist and head nutritionist at the ZOE project. We talk ...

May 02, 202437 minSeason 1Ep. 241

The psychology and neuroscience of nostalgia

Whether they’re triggered by looking through old family photographs, hearing a piece of music you haven’t heard for years or eating a favourite childhood snack, feelings of nostalgia often come flooding into our hearts and minds. But what is going on in our brains when we have these feelings? In this episode I catch up with writer and historian Dr Agnes Arnold-Forster a writer, author of the new book Nostalgia: A History of a Dangerous Emotion. She tells us how this intriguing emotion has gone f...

Apr 28, 202427 minSeason 1Ep. 240

The neuroscience of remembering and forgetting

We all forget things from time to time, it’s a normal part of everyday life. But according to the latest research in neuroscience, it is forgetting, not remembering that is the brain’s default action. So why is this? In this episode I speak to Prof Charan Ranganath, director of the Dynamic Memory Lab at UC Davis and author of the book Why We Remember: The Science of Memory and How it Shapes Us. He tells us how memories form in our brains, how they are intimately linked to our emotions and imagin...

Apr 25, 202432 minSeason 1Ep. 239

Is our orbital space at breaking point?

When it comes to thinking about sustainability, most of us usually keep our feet on the ground. But as we extend our reach beyond this small rocky planet and out into the solar system, is it time to think about how we use space sustainably too? Our guest today is Aaron Boley, Associate Professor of astronomy and astrophysics at The University of British Columbia and co-author of Who Owns Space?: International Law, Astrophysics and the Sustainable development of space. With hundreds of thousands ...

Apr 21, 202437 minSeason 1Ep. 238

How to build a quantum computer

There is little doubt that the advent of the computer has had one of the most far-reaching impacts of any invention in the history of mankind. These days, it’s difficult for most of us to imagine life without them. But building ever faster processors is becoming something of a challenge. The solution to this could be quantum computers – machines so powerful they can tackle problems that would take even the biggest supercomputers we have today billions of years to solve. In this episode I speak t...

Apr 18, 202430 minSeason 1Ep. 237

How to keep your immune system healthy

We often hear about the importance of our immune system, but how can we maintain it and keep it healthy? The answer is easier than you might think. We spoke to Bobby Cherayil, the author of the new book The Logic Of Immunity, deciphering an enigma to learn more about the importance of a healthy immune system. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Apr 14, 202425 minSeason 1Ep. 236

The potential health benefits of green tea

Be it drank first thing in the morning, as an afternoon pick-me-up or to soothe our souls after hearing some bad news, we Brits love a cup of tea. But over recent years, the traditional cup of black builders’ tea has found a new rival vying for our attention in cafés and on supermarket shelves – its more traditional cousin green tea. Many people are making the change not for reasons of flavour but for its supposed health benefits. But is there any truth in this? In this episode I speak to Justin...

Apr 11, 202425 minSeason 1Ep. 235

How the mind affects physical health and vice versa

For years researchers around the world have viewed the brain and body as separate entities, to be treated using different methods and even in different hospitals. However, recent discoveries have turned this picture on its head. We now know that our brains and immune systems are intimately linked and have a huge influence on each other. In this episode I speak to Dr Monty Lyman a medical doctor, researcher and author who studies the relationship between the mind and the immune system. We talk ab...

Apr 07, 202431 minSeason 1Ep. 234

How AI will make the world a better place, not bring it to an end

Artificial Intelligence can seem scary, especially with rapid advancements, but what if it actually improves our future? We spoke to Nick Bostrum, a leading philosopher at the University of Oxford and author of the new book Deep Utopia to find out why AI could be a force for positive change. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Apr 04, 202428 minSeason 1Ep. 233

Busting social media diet and nutrition myths

These days as many as 60 per cent of us are turning to the Internet or social media to get health advice. It’s a staggering number, especially when you consider the fact that literally anyone, regardless of their background or qualifications, can set up an account and start giving out lifestyle or dietary tips that can have a huge effect on our wellbeing. In this episode I speak to Dr Idz, an NHS doctor with a background in nutritional research. He’s has made it his mission to fight the misinfor...

Mar 31, 202435 minSeason 1Ep. 232

What happens in our bodies as we age? And is it possible to turn back the clock?

Be it biology, psychology or philosophy, ageing and death are undoubtedly two of the most difficult concepts to tackle in any field of research, so where do we even begin? In this episode I speak to Prof Sir Venki Ramakrishnan, a researcher based at Cambridge University’s MRC Laboratory of Molecular Biology, a former president of the Royal Society and recipient of the 2009 Nobel Prize in Chemistry. We talk about the fascinating discoveries he outlines in his latest book Why We Die: The New Scien...

Mar 29, 202443 minSeason 1Ep. 231

How science can help you have better conversations

Do you ever find yourself in a meeting at work or in a social occasion and notice how someone in the room seems able to effortlessly and succinctly put their ideas across while also listening to others and giving them room to speak? Chances are that person is a supercommunicator. In this episode I’m joined by Pulitzer Prize-winning author Charles Duhigg to talk about his book Supercommunicators: How to Unlock the Secret Language of Connection. He tells us how by asking deeper questions, listenin...

Mar 25, 202432 minSeason 1Ep. 230

Synaesthesia: How some of us experience music as shapes and colours and words as flavours

Do you experience sounds or music visually as certain shapes? Or perhaps you are able to ‘taste’ words or ‘hear’ colours. If so, it sounds like you have synaesthesia, a neurological phenomenon that leads to some of us experiencing a merging of different senses that are not typically connected. In this episode we catch up with Prof Jamie Ward, a psychologist and synaesthesia researcher based at the University of Sussex. He tells us about the varying forms synaesthetic experiences can take, what w...

Mar 22, 202425 minSeason 1Ep. 229

Why you’re not actually addicted to your phone

Just about everywhere we look today, screens, and in particular social media, are being called addictive, and being blamed for causing mental health problems and damaging childhood development. But does the evidence support this? In today’s episode we catch up with Pete Etchells, professor of psychology and science communication at Bath Spa University and author of Unlocked: The real science of screen time. Pete tells us why we need to redefine our relationship with technology and why social med...

Mar 18, 202435 minSeason 1Ep. 228

How personalised medicine is about to change healthcare

There’s no doubt new advances in science and technology are having a huge impact on the way we live our lives these days. From Big Data and artificial intelligence to genomics and wearable devices that track daily our activity. Of course, medicine is no exception. All of these technological steps forward are pointing healthcare towards a coming era of personalised medicine that focusses more directly on the needs of the individual patient. In this episode we speak to Professor Sir Munir Pirmoham...

Mar 15, 202429 minSeason 1Ep. 227

How some of the most fascinating discoveries in astronomy were made by accident

For those of us on the outside, scientific discoveries can often appear to be neat, tidy and well thought out in advance. Theorists come up with a hypothesis on a chalkboard and then it’s up to the experimentalists to attempt to prove their theories right or wrong through observation. But this isn’t always the case, especially when it comes to astronomy. In this episode we catch up with Chris Lintott, a professor of astrophysics at the University of Oxford and a presenter on BBC’s Sky at Night t...

Mar 11, 202431 minSeason 1Ep. 226

The surprising role of clouds in climate change

Clouds aren’t just the harbingers of bad weather. Turns out, they are crucial players in the climate – and so, too, in climate change. In this episode we speak to climate scientist Dr Paulo Ceppi, who contributed to Greta Thunberg’s The Climate Book, to learn about how clouds change our world. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Mar 08, 202427 minSeason 1Ep. 225

Why giraffes are undergoing a silent extinction

There can be few animals that are as iconic and instantly recognisable as giraffes. But despite their unique, almost mystical appearance and enduring worldwide popularity, their numbers are dwindling. According to researchers, they are undergoing something known as a silent extinction. In this episode we catch up with Dr Sam Penny, a conservationist and lecturer based at Bristol Zoological Society. He tells us about the current thinking on the existence of not one but several different giraffe s...

Mar 04, 202436 minSeason 1Ep. 224

Why we are seeing the return of infectious diseases

In the first quarter of 2024, infectious diseases including measles, plague, and cholera have all reared their ugly heads again. Are we seeing an unprecedented level of disease re-emergence? Why do they come back? And what would it take for another Black Death to happen? To find out, we spoke to Paul Hunter, Professor in Medicine at UEA’s Norwich Medical School. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Mar 01, 202428 minSeason 1Ep. 223

How to overcome social paranoia and anxiety

Do you often find yourself worrying that people are talking about you behind your back? If so, don’t worry: according to our guest, Prof Daniel Freeman, it’s an extremely common thought pattern – and one you can easily break free from. Daniel is a Professor of Psychology at Oxford University and author of new book Paranoia: A Psychologist’s Journey Into Extreme Mistrust and Anxiety. In this episode, he explains the link between paranoia and social anxiety, exactly how to tell how paranoid you ar...

Feb 26, 202437 minSeason 1Ep. 222

How feelings of listlessness and aimlessness has become an epidemic, and how we can beat it

Are you feeling demotivated and aimless and struggling to figure out why? If so, it sounds like you might be languishing – a term used to describe the epidemic of listlessness that has spread across the globe in recent years. In this episode we speak to Dr Corey Keyes, author of Languishing: How to Feel Alive Again in a World That Wears Us Down. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Feb 23, 202431 minSeason 1Ep. 221

Placebo: Why this miraculous experience really works

The placebo effect is a seemingly wonderful experience, healing people with no apparent cure - but how does it really work? We spoke to Jeremy Howick, an epidemiologist and author of the new book The Power of Placebos to find out. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Feb 19, 202428 minSeason 1Ep. 220

How to cope with whatever life throws at you

We all have a breaking point. But how close we come to it – and how we cope – comes down to our unique blend of genetics and life experiences. In this episode, we speak to health psychologist Prof Vincent Deary about how we’re adapted to get through with tough times, the physiological processes at work when we’re struggling, and how to build yourself back and recover from fatigue. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Feb 16, 202432 minSeason 1Ep. 219

How understanding your boredom can improve your life

It's easy to try to ignore feelings of boredom, but it can actually be trying to tell you something. We spoke to James Danckert, a professor of cognitive neuroscience to find out more about this strange feeling. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Feb 12, 202428 minSeason 1Ep. 218

How animals speak to each other

From birdsong to wolf howls, from dolphins’ clicks and whistles to gibbons’ whoops and wows, the natural world is filled with a myriad of animal vocalisations that are as varied as they are numerous. But what is their purpose? How did they evolve? And will we ever be able to understand them? In this episode we catch up with Dr Arik Kershenbaum, a zoologist based at the University of Cambridge and author of the new book Why Animals Talk. He tells us why some animals are chattier than others, how ...

Feb 09, 202431 minSeason 1Ep. 217

How to perfect your coffee routine

Coffee is a drink favoured by billions of people around the world, but doing it right isn't easy. We spoke to Christopher Hendon, a computational materials chemist and coffee expert from the University of Oregon. He talks us through how to make great coffee at home, where to spend your money, and debunks the myths of the coffee world. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Feb 05, 202428 minSeason 1Ep. 216

Why humans need laughter

Laughter is a fundamental part of our lives, but why do we do it? We spoke to Sophie Scott, a professor of cognitive neuroscience at the University College London to better understand why and how we laugh. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Feb 02, 202425 minSeason 1Ep. 215

Why hedgehog numbers are falling and how we can stop it

Whether it’s from reading Beatrix Potter’s Mrs Tiggy-Winkle or from encounters in our own gardens, many of us have a special place in our hearts for hedgehogs. But sadly, the charismatic mammals are having a bit of a hard time of late, with their numbers declining across the globe. So, what can we do to help them? In this episode we catch up with Dr Sophie Lund Rasmussen, a research associate at WildCRU, at the University of Oxford, or as she is otherwise known Dr Hedgehog. She tells us about th...

Jan 29, 202426 minSeason 1Ep. 214

How to lose weight the scientific way

Chances are, many of us will have tried to drop a few pounds at some point in our lives. And it’s likely that to do so we will have cut down on the amount of calories we are consuming, exercised a bit more and relied on willpower to stop ourselves reaching for the biscuit tin, bag of crisps or can of fizzy drink. But is there a more effective method? In this episode we catch up with Dr Andrew Jenkinson, a bariatric surgeon based at University College London Hospital and author of the book How to...

Jan 26, 202425 minSeason 1Ep. 213

Avocados: Nutritional superfood or environmental disaster?

Since their first appearance on our supermarket shelves several decades ago, avocados have gone from being a mere exotic curiosity to a regular feature on many millennials’ breakfast tables. But how has this happened and what does it mean for our diets, the food industry and the environment? In this episode we speak to Honor May Eldridge, a food and farming expert and author of the book The Avocado Debate. She tells us about the avocado’s fascinating journey from everyday staple in traditional S...

Jan 22, 202428 minSeason 1Ep. 212