PODCAST

Curious Cases

BBC Radio 4

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

science

All Episodes

14:00

The Sinister Hand Part 1

Curious Cases ·

2016/10/03

Neal Shepperson asks, "What determines left or right handedness and why are us lefties in the minority?"When we started investigating this question it became clear that there were just too many scientific mysteries to squeeze into one episode. So there are two whole episodes devoted to this very Curious Case.One in ten people are left-handed, but where does this ratio come from and when did it appear in our evolutionary past?Hannah talks to primatologist Prof Linda Marchant from Miami University

15:41

The Counting Horse

Curious Cases ·

2016/06/02

"Can horses count?" asks retired primary school teacher, Lesley Marr.Our scientific sleuths consider the case of Clever Hans, with a spectacular re-enactment of a 20th century spectacle. Plus, we hear from Dr Claudia Uller who has been conducting modern studies on equine counting.Mathematician Prof Marcus Du Sautoy explains the basic concept of counting to Adam, and Hannah looks across the animal kingdom to find the cleverest mathematical creature.If you have any questions you'd like the duo to

16:51

The Hairy Hominid

Curious Cases ·

2016/05/30

Our science detectives answer the following perplexing problem, sent in by Hannah Monteith from Edinburgh in Scotland:"How does leg hair know it has been cut? It doesn't seem to grow continuously but if you shave it, it somehow knows to grow back."Hannah consults dermatologist Dr Susan Holmes, from the Hair Clinic at Southern General Hospital in Glasgow, to discover why the hairs on your legs don't grow as long as the hairs on your head.Adam attempts to have a serious discussion about the

16:11

A Study in Spheres

Curious Cases ·

2016/05/26

Today the team study the heavens, thanks to listener Brian Passineau who wonders 'why everything in space tends to be circular or spherical?'Hannah gazes at Jupiter at The Royal Observatory, Greenwich with Public Astronomer, Dr Marek Kukula. Science writer, Philip Ball, explains how the astronomical obsession with celestial spheres came to an untidy end.And physicist Dr Helen Czerski helps Adam on his quest to find the perfect natural sphere.If you have a scientific mystery for the team to

15:13

The Psychic Tear

Curious Cases ·

2016/05/26

Listener Edith Calman challenges our scientific sleuths to investigate the following conundrum:'What is it about extreme pain, emotional shock or the sight of a three year old stumbling their way through an off-key rendition of 'Away in a Manger' that makes the brain send messages to the lacrimal glands to chuck out water?"Hannah discovers how the eye produces tears, with the help of Dr Nick Knight. Broadcaster Claudia Hammond, author of 'Emotional Rollercoaster', explains why Darwin experimented on

18:48

The Tea Leaf Mystery

Curious Cases ·

2016/05/26

Today the team examine the chemistry of tea, in answer to the following question sent in by Fred Rickaby from North Carolina:"When we are preparing a cup of tea and the cup contains nothing but hot, brewed tea we need to add milk and sugar. My wife always adds the sugar first, stirs the cup to make sure it is dissolved and then add the milk. So, is that an optimum strategy for adding milk and sugar to a cup of tea?” Adam consults Prof Andrea Sella from University College London about the perfect

13:46

The Stellar Dustbin

Curious Cases ·

2016/02/18

An unusual case today for science sleuths Hannah Fry and Adam Rutherford sent by Elisabeth Hill:'Can we shoot garbage into the sun?'The duo embark on an astronomical thought experiment to see how much it would cost to throw Hannah's daily rubbish into our stellar dustbin. From space elevators to solar sails, they explore the various options that could be used to send litter to the Sun. Featuring space scientist Lucie Green and astrophysicist Andrew Pontzen.If you have any everyday mysteries for the

13:15

The Squeamish Swoon

Curious Cases ·

2016/02/11

Science sleuths Hannah Fry and Adam Rutherford investigate the following question sent in by Philip Le Riche:'Why do some people faint at the sight of blood, or a hypodermic needle, or even if they bash their funny bone? Does it serve any useful evolutionary purpose, or is just some kind of cerebral error condition?'Adam is strapped onto a hospital tilt table in an attempt to make him blackout and Hannah receives an aromatic surprise.Featuring consultant cardiologists Dr Nicholas Gall and Dr Adam

12:28

The Aural Voyeur

Curious Cases ·

2016/02/11

Drs Rutherford and Fry tackle a vexing case sent in by Daniel Sarano from New Jersey, who asks why people shout on their mobile phones in public.Our science sleuths find the answer by delving into the inner workings of telephony with a tale of engineering rivalry, Victorian etiquette and early otolaryngology.Featuring acoustic technologist Nick Zakarov and historian Greg Jenner, author of 'A Million Years in a Day: A Curious History of Daily Life.'If you have any scientific cases for the team to

13:21

The Phantom Jam

Curious Cases ·

2016/02/11

Drs Rutherford and Fry set out to discover what makes traffic jam. Adam ventures on to the M25 in search of a tailback, and Hannah looks at projects around the world that have attempted to solve the scourge of the traffic jam.Featuring Neal Harwood from the Transport Research Laboratory and BBC technology reporter, Jane Wakefield. And Masdar City man.If you have any scientific cases for the team to investigate please email: curiouscases@bbc.co.ukPresenters: Hannah Fry & Adam Rutherford Producer:

13:53

The Scarlet Mark

Curious Cases ·

2016/02/11

Drs Adam Rutherford and Hannah Fry are on hand to solve everyday mysteries sent in by listeners. For the last few weeks they've been collecting cases to investigate using the power of science - from why people shout on their mobile phones to what causes traffic jams. In the first episode, called 'The Scarlet Mark', they get to the root of the following conundrum, posed by Sheena Cruickshank in Manchester: 'My eldest son is ginger but I am blonde and my husband brunette so we are constantly asked

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