Instant Genius

Thinking about retiring? Or maybe someone in your family is. Hopefully, we’ll all reach the age where we can at some point. But how can we navigate it in good mental and physical health, for ourselves and our loved ones?In this episode we speak to Tania Wiseman, associate professor of occupational therapy at Swansea University.She runs us through what can happen to us when we retire and how to best cope with it. Learn more about your ad choices. Visit podcastchoices.com/adchoices

At our core, humans are deeply curious about the unknown – and ghostly spirits are no exception. From Hamlet to The Sixth Sense to Ghostbusters, the excitement or horror of encountering ghosts or spirits is ingrained in the human imagination. But for many people it’s very real: for people who feel someone’s presence who isn’t there, or see someone or something, or hear voices.In this episode of Instant Genius, we spoke to psychologist Ben Alderson-Day ahead of the Cheltenham Science Festival about why some of us believe in ghosts, science mediums and psychological disorders, and what makes someone more likely to feel presences. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Be it in the office or at home, it’s likely there’s at least one narcissist in your life. But what exactly are the key traits of narcissism? Are narcissists necessarily bad people? And how can you tell if you’re one?To answer these questions and much more, we’re joined by Dr Erica Hepper, lecturer in psychology at the University of Surrey. She also unpacks the key misconceptions about narcissism, its causes, and whether narcissists can ever change their behaviour. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Currently only 14 per cent of UK rivers are rated as having a ‘good’ ecological status. Agricultural runoff and the release of untreated sewage are the leading causes of water pollution. But why are rivers in such a bad way and what can we do about it?In this episode we speak to Dr Tanja Radu, senior lecturer in water engineering at Loughborough University. She tells us how we’ve reached this point in river pollution, the risk it poses to human health and what we can do to set things right. Learn more about your ad choices. Visit podcastchoices.com/adchoices

In this episode we speak to Thomas Curran, Assistant Professor of Psychological and Behavioural Sciences at the London School of Economics and author of The Perfection Trap – The Power of Good Enough in a World that Always wants more.He tells us why perfectionism is on the rise, why that’s a bad thing and what we can do about it. Learn more about your ad choices. Visit podcastchoices.com/adchoices

You may have heard the phrase ‘we know more about the moon than the deep sea’ – it’s now an old phrase, dating back to 1948. In fact, we actually know quite a bit more about the ocean than you might think – which physicist and oceanographer Helen Czerski shows in her new book Blue Machine. But it’s still full mysteries, and that’s why Helen says that the secrets of the moon and the ocean are incomparable, because when it comes to the ocean there is just so much more to know, and we urgently need to uncover more.In this episode we speak to Helen about some of the secrets hidden – and found – in the ocean’s currents, including shipwrecks and missing planes, what we’ve learned from rubber ducks and Finding Nemo, and the swirling currents in underwater rivers and waterfalls. Learn more about your ad choices. Visit podcastchoices.com/adchoices

In this episode we speak to Alexandra Horowitz, professor of canine cognition at Barnard College, Columbia University and author of Inside of a Dog – What Dogs, See, Smell and Know.She tells us what your dog is trying to tell you when they stare at you, what causes them to tilt their heads from side to side and why so many of them seem to like rolling in poo. Learn more about your ad choices. Visit podcastchoices.com/adchoices

It goes without saying that breasts get a lot of attention. But less focus is given to the science behind them: why do we have them? Why are they all different, and does it matter? What happens when things go wrong?GP and author Dr Philippa Kaye is out to change that in her latest book, Breasts: An Owner’s Guide. In today’s podcast she tells us about the science of human breasts, the benefits – and costs – of having them, current research in breast cancer and sports, and how to take care of yours. Learn more about your ad choices. Visit podcastchoices.com/adchoices

From HG Well’s The Time Machine, to Doctor Who and Back to the Future, time travel has become a beloved staple of science fiction. But will humans ever actually be able to jump through time? According to physics, quite possibly.To explain this today, we’re joined by Lawrence Krauss, theoretical physicist and author of the new book The Known Unknowns: The Unsolved Mysteries of the Cosmos. He delves into the strangest theories of time travel, time tourism, and also what most time travel movies get wrong. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Want to get better at interpreting body language? Well, most books on the topic are unlikely to help you. At least, that’s the argument of Geoff Beattie, professor of psychology at Edge Hill University.He claims that most stereotypes of non-verbal communication, be it defensive arm-crossing or nervous hair twiddling, are vastly misunderstood. In this episode, Beattie unpacks these body language myths – and also explains science worth paying attention to. Learn more about your ad choices. Visit podcastchoices.com/adchoices