PODCAST

Curious Cases

BBC Radio 4

Hannah Fry and Dara Ó Briain tackle listeners" conundrums with the power of science!

science

All Episodes

42:44

The Venomous Vendetta

Curious Cases ·

2021/11/11

Whilst watching a documentary about some poisonous frogs, Curio Janni in Amsterdam, started to wonder what would happen if a frog licked itself or another frog of the same species. She asks Dr Adam Rutherford and Professor Hannah Fry to investigate whether an animal would react badly to a toxin it itself produces? In essence 'can a venomous snake kill itself by biting itself?'Of course the answer is complicated, but the sleuths know exactly who to ask.Steve Backshall, award-winning wildlife

37:40

The Slippery Situation

Curious Cases ·

2021/11/04

'What is the slipperiest thing in the world?' asks 8 year old Evelyn. Why do my feet slip on a wet floor but when my feet are even slightly moist it's nearly impossible to put on a pair of socks without falling over and cursing the universe. What is going on here?' asks Evelyn's Dad, Sam.Hannah and Adam investigate the science of friction and lubrication - so called 'tribology' with the help of tribologists and mechanical engineers Professor Ashlie Martini from California University Merced and

37:26

The Painless Heart

Curious Cases ·

2021/10/28

Why does my heart not ache after exercise? asks listener Keith. Rutherford and Fry explore how and why heart muscle cells are special.Dr Mitch Lomax is a sports scientist at the University of Portsmouth. She helps actual Olympic swimmers get faster. She explains how most of the muscles attached to our skeletons work: Tiny fibres use small-scale cellular energy, which, when all these fibres work in concert, turns into visible muscular movement. Mitch also explains how the dreaded Delayed Onset Muscle

40:20

The Weirdness of Water Part 2/2

Curious Cases ·

2021/10/21

“I don’t really understand why water has so many properties on different scales ranging from very large and cosmic to very small quantum and quarky - Could you help by zooming in and out on water to explain what is known about it? "Asks Neil Morton in Stirling. “Why does boiling water sound different to cold water?’ asks Barbara Dyson in Brittany in FranceOllie Gordon, in Christchurch in New Zealand, wants to know ‘why water is essential for all life as we know it?’And many more questions on the

37:19

The Weirdness of Water Part 1/2

Curious Cases ·

2021/10/14

“I don’t really understand why water has so many properties on different scales ranging from very large and cosmic to very small quantum and quarky - Could you help by zooming in and out on water to explain what is known about it?" asks Neil Morton in Stirling. Rutherford and Fry learn about the special hydrogen bonds that makes water such an unusual liquid.Quantum physicist Professor Patricia Hunt, at the Victoria University in Wellington in New Zealand explains to Hannah the quantum properties

39:03

The Guiding Hound

Curious Cases ·

2021/10/07

How do guide dogs know where they're going? It's not like their handler whispers in their ear and asks to go to the pharmacy, maybe the toothpaste aisle. So how does it work? asks Charlotte, aged 42. Dogs and humans have gone paw in hand for thousands of years. Historic and genetic evidence shows we’ve shaped each other's existence over millennia. But dogs were only first trained as guides for blind people in the UK 90 years ago. What’s the biology behind this extraordinary partnership? Hannah heads

8:52

We’re back!

Curious Cases ·

2021/09/30

Rutherford and Fry are back in the business of solving your science queries and rooting out the quirks and conundrums of everything that is science!

29:00

More Frytful Scares

Curious Cases ·

2021/02/23

It was a dark and stormy night. A secret message arrived addressed to Rutherford & Fry from a mysterious woman called Heidi Daugh, who demanded to know: "Why do people like to be scared? For example, going on scary amusement park rides and watching horror movies that make you jump.”What followed was an investigation, which would test our intrepid duo to their very limits. They explore the history of horror, starting with its literary origins in the Gothic fiction classic 'The Castle of

29:50

Back to The Sinister Hand

Curious Cases ·

2021/02/16

Why are some people left-handed, whereas the majority are right handed? Rutherford and Fry revisit The Sinister Hand episodes to further investigate handedness in humans and animals. They considered cockatoos, chimpanzees and Hannah's dog, Molly, to discover that humans are unique, with just one in ten of us being left-handed.They ask if there is an evolutionary reason for just 10% of the human population being southpawsHannah talks to primatologist Prof Linda Marchant from Miami University about

40:31

A Weighty Matter Part 2/2

Curious Cases ·

2021/02/09

The doctors continue their investigation into gravity, and answer Peter Fraser’s question: Is dark matter a proper theory or just a fudge to fit existing 'proper' theories to otherwise inexplicable observations?Whilst scientists are pretty convinced our understanding of gravity is largely correct, there are still some significant gaps. Namely, given the way galaxies are observed to behave, around 85% of the matter that they think should be in our universe is missing. So where – and, as importantly,

43:06

A Weighty Matter Part 1

Curious Cases ·

2021/02/02

The doctors investigate a millennia-old query, as listener Emma in New Zealand asks: ‘How does gravity pull us?’People have been thinking about how gravity works for a very long time. Way longer than when that particular apple almost certainly didn’t fall on the head of Isaac Newton. Cosmologist Andrew Pontzen begins guiding us through our journey by taking us back to the almost entirely incorrect writings of ancient Greeks.We then fast forward past Galileo and Newton, and throw in an extra

50:13

The Flying Clock and the Stopped Watch

Curious Cases ·

2021/01/26

Do individuals perceive time differently? Psychologist and presenter of All in the Mind, Claudia Hammond wrote the book ‘Time Warped – Unlocking the Mysteries of Time Perception’. She explains how emotion and memory are big factors in how time is perceived. She stresses how time can stretch and squeeze depending on whether you are looking backwards or forwards. And she explains how lockdown has warped time in different ways for different people.Professor David Eagleman, from Baylor College of

45:02

The Mosquito Conundrum

Curious Cases ·

2021/01/19

The doctors put mosquitoes on trial, as listener Cathy in the UK asks, ‘What is the point of mosquitoes?’ in response to our show about wasps. Mosquitoes have undeniably played a role in killing millions of people. Malaria is the single biggest cause of death in human history. But Erica McAlister, senior curator of flies and fleas at the UK’s Natural History Museum, reveals that not all mosquitoes are interested in biting us for a blood meal, or are involved in transmitting disease. Only the females

50:13

The Scientific Exploration of Astrology

Curious Cases ·

2021/01/12

Astrology – could there be something to it? asks Dan from Australia. Rutherford and Fry investigate the science that has investigated astrology.Professor Richard Wiseman, (sceptical of all things paranormal and a Virgo) and Professor in the Public Understanding of Psychology at the University of Hertfordshire, explains the long history of the scientific investigation of astrology. He has also run his own experiments to test whether astrology can help you play the stock market and to investigate if

48:12

The Noises That Make Us Cringe

Curious Cases ·

2021/01/05

Why do some people find noises like a fork scraping a plate so terrible? asks Findlay in Aberdeenshire. Rutherford and Fry endure some horrible noises to find out the answer.Warning - This episode contains some horrible soundsTrevor Cox, Professor of Acoustic Engineering at the University of Salford, has run experiments to find out the worst, most cringe-making sound. He divided horrible sounds into three categories: scraping sounds, like nails down a blackboard; disgusting sounds like a snotty

42:21

The Pizza Diet

Curious Cases ·

2020/12/29

Can I make a pizza that contains my recommended daily intake of everything? asks listener Paul in Manchester. We investigate whether a pizza can meet our full dietary requirements.The optimum diet for humans has been long contested. From William the Conqueror's alcohol diet to the infamous apple cider vinegar diet, discovering the healthiest nutrition is a centuries-long work in progress. So could The Pizza Diet be the next food fad? We investigate a theory that a basic margherita pizza – with its

48:06

The Good and Bad in Fungi

Curious Cases ·

2020/12/22

"Why are some fungi helpful and others harmful?" asks Paul Glaister in Reading. Rutherford and Fry try to outdo each other with fungal top trumps to get to grips with the answer.Decomposition ecologist Lynne Boddy, Professor of Microbial Ecology at Cardiff University, helps Hannah calculate the amount of dead plant material we’d be buried in across the globe, if we didn’t have fungi to recycle it. And she describes her first fungal encounter in her student flat which was riddled with dry rot, and

42:41

The Martian Mission

Curious Cases ·

2020/12/15

What would it take for humans to live permanently on Mars? asks Martin in Weston-super-Mare, UK. The doctors dig into requirements and possibilities of a long-term Martian outpost. We know that many missions to Mars have failed, for a range of reasons – malfunctions, crashes and even a mix-up between imperial and metric units. Getting to Mars – let alone decelerating from 30,000 miles per hour to a safe landing speed in about seven minutes – is not straightforward. Aerospace engineer Anita Sengupta

38:10

The Hamster Power Hypothesis

Curious Cases ·

2020/12/08

"How many hamsters on wheels would it take to power London?" asks Judah from Virginia in the USA. Rutherford & Fry return with engineering, ethics and economics to answer this electric query.Smart grid engineer Lynne McDonald helps keep the lights on for 8.3 million homes and businesses across London at UK Power Networks. She explains how the kilowatt hours we see on our electricity bills relate to the thousands of gigawatt hours required when thinking about powering the whole of London. In

11:03

We’re back!

Curious Cases ·

2020/12/01

Rutherford and Fry are back in the business of solving your science queries and rooting out the quirks and conundrums of everything that is science!

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