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. Watch full episodes of Instant Genius on BBC Science Focus Magazine's YouTube channel.
Episodes
November 20, 2025 • 25 mins
Many of us will have experienced changes in our emotional states after failing to get a good night’s sleep. Maybe we find that we lose our temper more easily or that we’re more likely to feel sad or upset. But what exactly is going on in our bodies and brains when we lack sleep that gives rise to these, often troubling, effects?
In this episode, we’re joined by Dr Bogdan Matei, a medical psychiatrist and master trainer for the lux...
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November 16, 2025 • 31 mins
According to the United Nations, around one-third of all the food currently produced across the planet is being lost or wasted, oftentimes before it even reaches our plates. As well as the loss of essential sources of nutrition needed to feed the global population, issues in food supply chains are using up other vital resources such as water, labour and energy. So, what can we do to ensure that as much food as possible makes it fro...
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November 13, 2025 • 55 mins
This episode was recorded on November 6th 2025.
Artificial intelligence has been the movement of the moment in recent years. Since it burst to prominence in 2022, hundreds of millions of people have started using AI systems every day – for everything from writing essays to coding software, generating art and planning their lives.
But with soaring valuations, constant hype, and growing concerns about how much these systems really ...
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November 9, 2025 • 38 mins
Recent UN data tells us that currently 670 million people around the world are going hungry. There’s little doubt that food security is one of the most serious problems that the human race is facing. How have we reached this point of crisis and what solutions can we put in place to make sure everyone on the planet has enough nutritious food to eat without causing further harm to the environment?
As part of our four-part miniseries...
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November 6, 2025 • 24 mins
Along with their vast size and habit of jumping playfully out of the water, whales are renowned for their haunting melodic vocalisations. However, after decades of research, scientists still aren’t sure why these mysterious creatures sing their other-worldly songs. Could it be a form of sexual display? Maybe it’s a method of communication? Or is it possible that the giant marine mammals are using these plaintive moans as a form of ...
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November 2, 2025 • 28 mins
Over the past several decades nutritional advice from doctors and expert researchers has largely relied on one-size-fits-all approach – eat five portions of fruit and veg a day, limit your intake of sugar and salt, stay away from overly fatty or processed foods as much as possible – but in recent times it has become clear that, while this is all good advice, the real-life picture is much more subtle. The latest research has reveale...
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October 30, 2025 • 26 mins
Throughout our lives we all go through several significant periods of change – puberty, young adulthood, middle age, retirement. Each comes with its own quirks and challenges, but perhaps one of the most underdiscussed of these stages is menopause. The lowering of hormone levels and eventual cessation of ovulation caused by menopause can affect women’s mental and physical health, performance in the workplace and even social life. S...
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October 26, 2025 • 38 mins
Wikipedia. It needs almost no introduction. Few websites are more well-known, more commonly used and more foundational to the web as we know it than the online encyclopedia. This week, we’re joined by its founder, Jimmy Wales, to talk about how the platform has evolved over the past two decades, the challenges of maintaining trust and neutrality in an age of misinformation, and how AI could shape Wikipedia’s future. Jimmy also shar...
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October 23, 2025 • 38 mins
Hippies, the Beatles, flower power, magic mushrooms, raves and festivals – that’s what most of us associate with psychedelics. But there is mounting evidence that these drugs could also be used medicinally, particularly to treat mental illnesses such as depression.
In this episode, we speak to Prof David Nutt, a psychopharmacologist who has spent decades researching how drugs affect the brain. Now a professor at Imperial College L...
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October 21, 2025 • 34 secs
What will we all be eating in 2050? How will it be produced? And how can our diets keep us healthier for longer? If these are questions you'd like answered, why not check out the upcoming Future of Food mini-series.
You'll discover how cutting-edge farming technology is helping us to produce food that's kinder to the environment, how overlooked foods such as algae and seaweed may soon become a common sight on our plates, and how n...
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October 19, 2025 • 27 mins
The commonly held story goes that we all begin life as a single cell in our mother’s womb and go on from there to develop into fully formed adult human beings composed of cells of our own creation. However, recent research is showing that this isn’t quite the full picture. Not all of the cells in our bodies come from this single starting point. We are, in fact, all host to cells that have migrated from the bodies of other people – ...
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October 16, 2025 • 38 mins
Thanks to hundreds of years of scientific progress we now know, that like every other living thing on Earth, human beings are simply assemblages of atoms and molecules that evolved over eons through a series of complex, iterative processes. But somewhere along this long and meandering journey we developed consciousness – the deep sense of self-awareness that allows us to think, feel and even allows us to attempt to understand what’...
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October 12, 2025 • 28 mins
Stars feel like a fundamental feature of the Universe – as essential as planets, galaxies and space itself. But since we know the Universe had a beginning (the Big Bang), there must also have been a first star. Before it, there was only darkness; after it, the cosmos as we know it began to take shape.
Exactly what those first stars were like – and how they transformed everything that followed – remains one of astronomy’s great mys...
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October 9, 2025 • 32 mins
Humanity is beautifully diverse. Some of that diversity is visible, but hidden beneath the surface, there is also a hidden web of genetic variation that collectively tells a story about how people have adapted to their environments, sometimes in weird and wonderful ways.
In this episode, we speak to Prof. Herman Pontzer, an evolutionary anthropologist at Duke University, USA, and the author of Burn: the misunderstood science of me...
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October 5, 2025 • 40 mins
Chances are that when most of us think about the notion of crime our minds turn to acts committed against an individual – be it theft, fraud or even physical assault. But every day ecological crimes are committed against the planet we all live on that often fly under the radar despite the significant, far-reaching effects they have on all of us.
In this episode, we’re joined by criminal psychologist and bestselling author, Dr Juli...
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October 2, 2025 • 25 mins
Be it a cold, drafty room in a creaky old country house or a still, quiet forest on a dark night, chances are that at one point or another we’ll all have entered an environment that for some reason made us feel uneasy. But what exactly makes a certain place or situation feel so creepy, and why do we get these feelings in the first place?
In this episode, we’re joined by psychologist and magician Prof Richard Wiseman to talk about ...
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September 28, 2025 • 34 mins
Chances are when we’re treated with medicines in hospital or pick up our prescriptions at the pharmacy, we don’t give much thought about how the drugs that are so vital for our health and wellbeing came to be. The fact is the journey that a new medicine takes from its beginnings in the laboratory to finally being administered to patients can be long and arduous. It typically takes the work of countless scientists, researchers and t...
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September 25, 2025 • 35 mins
Is our planet under threat from the depths of space? In this episode, we talk to solar physicist Dr Ryan French. Normally, Ryan is busy unravelling the mysteries of our Sun, but today we’ll be delving into a slightly darker topic – the many risks posed to our delicate planet from space. In his recent book, "Space Hazards: Asteroids, solar flares and cosmic threats”, Ryan covers all the many dangers our planet faces from space rocks...
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September 21, 2025 • 25 mins
Many of us treat our pet dogs or cats with the same love and attention that with give to our human babies, some of us give our cars or other prized possessions human names and may even, at times, talk to them. This is known as anthropomorphism – the tendency within many of us to assign human qualities to non-human animals and even inanimate objects.
In this episode, we’re joined by Dr Justin Gregg to talk about his latest book, Hu...
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September 18, 2025 • 29 mins
It’s a little-known fact that bats are one of the most successful animals on Earth, with almost 1,500 different species currently identified. Their agility in flight and prowess as hunters, wide-ranging diversity in size and behaviour and ability to adapt to almost any environment have allowed them to conquer almost every corner of the globe. But despite their success, many species of bats are now under threat.
In this episode, we...
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