Whether you’re curious about getting healthy, the Big Bang or the science of cooking, find out everything you need to know in under 30 minutes 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.Then when you’ve mastered the basics with Instant Genius. Dive deeper with Instant Genius Extra, where you’ll find longer, richer discussions about the most exciting ideas in the world of science and technology. Only available on Apple Podcasts. See acast.com/privacy for privacy and opt-out information.
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How to hack your brain to make better decisions
Every day we’re presented with hundreds if not thousands of decisions: What do we want for breakfast? Should we call our mothers or spend time with our friends? Should we go out for a workout or watch TV and eat snacks? Of course, some of the choices we make are more significant than others and can have huge impacts on our lives. But what do these decisions say about us and how can we try to make better choices? In this episode, we catch up with neuroscientist and professor of communication at the University of Pennsylvania Emily Falk to talk about her latest book What We Value: The Neuroscience of Choice and Change. She tells us how certain regions of our brains are involved in the many decisions we make, how we weigh up short and long-term rewards, and how we can all make more thoughtful choices that align with our goals if we just make a few tweaks to our behaviour. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Everything you need to know before heading off to see the Northern Lights
These days many of us have a bucket list, a set of experiences we’d like to have at least once in our lives. Seeing the Northern Lights with our own eyes is likely top of many of these. But what is the best way to ensure that when we do take a trip to see this mysterious, ghostly phenomenon we have a genuinely once-in-a-lifetime experience? In this episode we speak to Tom Kerss an aurora chaser, astronomer and author of the book Northern Lights: The definitive guide to auroras about the best way to see the breathtaking phenomenon of the Aurora Borealis. He tells us when and where to go to have the best chances of seeing the Northern Lights, what we should take and wear to have the best experience, and why often it’s a better idea to put down your camera and simply enjoy the spectacle. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Why a healthy ocean is vital for the survival of the human race and planet Earth
The ocean covers more than 70 per cent of our planet’s surface. Thanks to its ability to absorb the excess carbon and heat generated by climate change, its potential to generate clean energy and the bountiful source of food it provides to both humans and animals, there’s little doubt the ocean is vital for the continued survival of the human race and of the planet itself. But all is not well. Ocean temperatures are climbing, coastal water levels are rising, and extreme weather events are becoming more and more common. In this episode we speak to special advisor on ocean issues to the United Nations Sturla Henriksen about his latest book The Ocean: How It Has Formed Our World – And Will Shape Our Destiny. He tells us about the many challenges we are facing to keep the ocean healthy and why we need to take a more holistic approach to combat them. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Food science: Why fermentation is the future of food
Humans have been fermenting foods for millennia, due to the process’s ability to enhance the flavours of what we eat and preserve it for when times are lean. Now, new science is uncovering how eating fermented food is beneficial for both our physical and mental health and how it may possibly play a key role in the food of the future by creating a source of alternative protein. In this episode we speak to Rodrigo Ledesma-Amaro, Director of the Bezos Centre for Sustainable Protein and the Microbial Food Hub at Imperial College London. He tells us how we all eat more fermented food than we may think, why it’s so good for our guts and how cutting-edge science can help us to create tasty fermented food that is also kind to the environment. This episode is brought to you in association with EIT Food https://www.eitfood.eu/ Learn more about your ad choices. Visit podcastchoices.com/adchoices
The science behind the stunning phenomenon of the Northern Lights
The Northern Lights are surely one of the most awe-inspiring phenomena anyone can be lucky enough to witness occurring on planet Earth. But how exactly do solar winds breezing out of the Sun and hitting our planet’s atmosphere create the enchanting phosphorescent display that dances across the night sky? In this episode we speak to Tom Kerss an aurora chaser, astronomer and author of the book Northern Lights: The definitive guide to auroras about the science behind the breathtaking phenomenon of the Aurora Borealis. He tells us how the colours of the Northern Lights are created by particles ejected from the Sun hitting the Earth’s magnetic field, how auroras also exist on other planets within the Solar System and talks us through the many things we can learn from studying this fascinating cosmic phenomenon. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Food Science: How to become an expert baker through science
Baking can be hard. Measurements need to be exact and techniques perfected. But with the right tricks and by understanding the science of baking, you can become the envy of your friends with the perfect loafs and cakes. Part of our Food Science series, we spoke to Cristiana Solinas. She is the head of the National Bakery School at London South Bank University. She talks us through the science of how to make good sourdough, why your loaves are coming out too dry and busts the biggest science myths in daily baking. This episode is brought to you in association with EIT Food https://www.eitfood.eu/ Learn more about your ad choices. Visit podcastchoices.com/adchoices
The biggest unsolved mysteries of the quantum realm
This year quantum physics celebrates its 100th anniversary. And while we’ve made great progress in understanding its many intricacies and quirks, it’s likely that quantum behaviour will continue to fascinate and beguile scientists around the world for years to come. In this episode we speak to Prof Jim Al-Khalili, a theoretical physicist based at the University of Surrey, author of several best-selling books and the long-time presenter of BBC Radio 4’s The Life Scientific. He tells us about the many disagreements that have surrounded quantum theory over the past century, how the theory raises deep scientific and philosophical questions about the nature of reality itself, and why we still have so much to learn. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Food Science: The fascinating science of cheesemaking
Whether it’s the crowning glory on the top of a pizza Margherita, layered between two pieces of bread in a sandwich laced with pickle, or simply enjoyed by itself at the end of a meal, many of us adore cheese. But how exactly is it made, what gives it its distinct flavour and how can we make so many different varieties? In this episode, we speak to Bronwen Percival, a cheese buyer for Neal's Yard Dairy in London, co-founder of the website MicrobialFoods.org and author of the book Reinventing the Wheel. She tells us about the process that leads to milk becoming cheese, why we shouldn’t be afraid of mould and why some cheeses melt so beautifully to give what pizza fans call ‘the pull’. This episode is brought to you in association with EIT Food https://www.eitfood.eu/ Learn more about your ad choices. Visit podcastchoices.com/adchoices
How birds’ bizarre mating rituals have played a key role in their evolution
Be it the extravagant displays of peacocks fanning their tails, the beautiful, complex song of nightingales or the meticulous art installation-like structures built by bouwerbirds, the animal kingdom filled with a huge variety of fascinating mating rituals. But more than being mere quirks of evolution, these behaviours play a significant role in driving the process itself. In this episode, we catch up with science writer and best-selling author Matt Ridley to talk about his latest book, Birds, Sex and Beauty: The Extraordinary Implications of Darwin’s Strangest Idea. He tells us about the runaway processes that have led to the development of these flamboyant displays and behaviours, why choosing a mate may well be a popularity contest, and why it’s so important to give birth to sexy sons. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Food Science: How eating chocolate boosts your brain, heart and gut health
Chocolate has a reputation. It is sugary and bad for you. But in its purest form, it can be beneficial to your health. As part of our Food Science series, we spoke to Megan Povey, a physicist at the University of Leeds who specialises in food processing. They explain how chocolate is made, the benefits it can have on your health and what separates good and bad chocolate. This episode is brought to you in association with EIT Food https://www.eitfood.eu/ Learn more about your ad choices. Visit podcastchoices.com/adchoices
Why OCD is a serious, debilitating mental condition, not just a need for cleanliness or order
We all experience distressing or intrusive thoughts at some point in our lives but for around two to three per cent of us these can be incredibly difficult to ignore and can begin to have a significant debilitating effect on our lives. Clinically this is known as obsessive compulsive disorder or OCD – a condition that many of us will have heard of but few understand. In this episode, we speak to Dr Marjan Biria, a clinical psychologist based at University College London. She tells us about some common obsessions and compulsions experienced by those with OCD, why thoughts are not actions and why people who say they are ‘a little bit OCD’ because they like cleanliness or order are significantly misunderstanding the condition. Learn more about your ad choices. Visit podcastchoices.com/adchoices
How truth and honesty are key to tackling the climate crisis
Despite decades of international climate summits, the ongoing work of various campaign groups and open letters signed by some of the world’s most prominent scientists highlighting the crucial need for action, carbon emissions, biodiversity loss and sea level rises are still going up across the globe. So, what are we getting wrong? In this episode, we speak to leading researcher and author Mike Berners-Lee about his latest book A Climate of Truth, Why We Need it and How to Get It. He argues that truth and honesty are key if we are to avert what he refers to as the climate polycrisis. Facts and data need to be reported frankly and clearly, policymakers and business leaders need to be held to higher standards of honesty and when it comes down to it, we can all make a difference by educating ourselves, questioning the information we’re presented with and, ultimately, voting with our wallets. Learn more about your ad choices. Visit podcastchoices.com/adchoices
How to combat uncertainty in a post-truth world
These days we’re bombarded with information and claims that purport to explain almost every conceivable aspect of our lives, be it down to the bold assertions made by policymakers, the confidence of anonymity afforded by social media or just our natural human inclination to be fooled by a well-spoken know-it-all. But exactly who are the people making these claims, how do they reach their conclusions, and really, can anyone ever actually be certain about anything? In this episode, we catch up with the statistician, epidemiologist and author Adam Kucharski to take about his latest book Proof, The Uncertain Science of Uncertainty. He tells us how Abraham Lincoln’s background as lawyer led him to study the nature of proof beyond reasonable doubt and how it helped him to win his presidency, how picking holes in previous logical thinking enabled Albert Einstein to discover some of his greatest theories, and what the COVID pandemic taught us all about the value of scientific rigour and evidence-based conclusions. Learn more about your ad choices. Visit podcastchoices.com/adchoices
How AI is helping us to understand how our brains learn
The human brain is surely one of the most complex and fascinating creations in all of nature. It’s through them that we experience the world around us, develop knowledge and skills, and carry within us memories of events and experiences that occurred decades in the past, which we can later draw on to face new challenges. But when it comes to understanding exactly what is going on between our ears, we’re only just starting to scratch the surface. Could artificial intelligence technology help us in this quest? In this episode, we’re joined by Prof Andrew Saxe, a computational neuroscientist based at University College London. He tells us about the work his lab is carrying out on modelling the function of our brains using artificial intelligence, what this research has already uncovered about how our brains learn and what we can look forward to discovering in the coming decade or so. Learn more about your ad choices. Visit podcastchoices.com/adchoices
What our coastlines can tell us about the planet’s past and future
From the dramatic caves that bring to mind the pirates and smugglers of yore to the rolling sand dunes many of us likely played in as children, our coastlines are home to all manner of fascinating features, forged over centuries by crashing waves and harsh, unforgiving weather. But far from simply being picturesque, these landmarks can teach us about our planet’s past and ultimately, its future. In this episode, we speak to writer and author Matthew Yeomans about his latest book Seascape: Notes from a Changing Coastline. He speaks to us about the observations he made of the many and varied effects of climate change while walking along the Welsh coastline, how the threat of coastal flooding is very real and how nature-based solutions may well be the most effective way of protecting our precious coastlines. Learn more about your ad choices. Visit podcastchoices.com/adchoices