If you've ever wondered "why", then this is the hour for you. Sometimes simple, sometimes intelligent, but almost always entertaining, probably the best hour of radio you could ever download!
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Σύνοψη επεισοδίου
In this episode of Mystery Hour, James O'Brien and guests explore a wide range of scientific and evolutionary curiosities. The discussion covers everything from DIY fruit fly traps and the physics of candle flames to why humans experience 'nose blindness' and the evolutionary reasons behind our preference for expansive views.
The show also tackles various listener questions regarding the sensory capabilities of birds, the nutritional differences between types of salt, and the mechanics of how rain can lead to car tire punctures. From aquarium fish behavior to the significance of the number three, no mystery is left unexamined.
Κεφάλαια
Κάντε κλικ σε ένα κεφάλαιο για να μεταβείτε απευθείας σε εκείνη τη στιγμή
Κυριότερα σημεία
And you get the metal lid of the jam jar and you punch as many holes in it as you want, as many as possible, really.
00:03:38 · James explains the specific technique required to construct a homemade fruit fly trap.
Your nose is still smelling it, but your brain is sort of going, yeah, all right, I've got that now. Calm down.
00:18:12 · The host describes the neurological process behind why people stop noticing certain scents over time.
Solids and liquids do not burn. Only gases can burn.
00:27:44 · The guest explains the scientific principle that combustion occurs in the gaseous phase rather than the solid or liquid state.
They know the environment. Believe it or not, they can detect food. They can see it. They can smell it. Smell it. And they can hear it.
00:38:09 · The caller explains the advanced sensory capabilities birds use to locate birdseed.
You're much more likely to get punches in the rain because in industry, when they cut rubber, they use water to lubricate the blade.
00:42:06 · A caller provides a technical explanation for why wet roads increase the likelihood of tire punctures from glass.
In this episode of Mystery Hour, James O'Brien and guests explore a wide range of scientific and evolutionary curiosities. The discussion covers everything from DIY fruit fly traps and the physics of candle flames to why humans experience 'nose blindness' and the evolutionary reasons behind our preference for expansive views.
The show also tackles various listener questions regarding the sensory capabilities of birds, the nutritional differences between types of salt, and the mechanics of how rain can lead to car tire punctures. From aquarium fish behavior to the significance of the number three, no mystery is left unexamined.
Δημοσιεύτηκε08 Οκτ 2026
Διάρκεια45:49
Επεισόδια
750-
Why is three the magic number?
Ακούστηκε
In this episode of Mystery Hour, James O'Brien and guests explore a wide range of scientific and evolutionary curiosities. The discussion covers everything from DIY fruit fly traps and the physics of candle flames to why humans experience 'nose blindness' and the evolutionary reasons behind our preference for expansive views.
The show also tackles various listener questions regarding the sensory capabilities of birds, the nutritional differences between types of salt, and the mechanics of how rain can lead to car tire punctures. From aquarium fish behavior to the significance of the number three, no mystery is left unexamined.
08 Οκτ 2026
749-
How did ancient buildings end up buried?
Ακούστηκε
James O'Brien hosts the 'Mystery Hour,' where callers present questions for the host and listeners to answer without looking up information. The episode covers a wide range of topics, including the mechanics of how archaeological buildings become buried, the historical origins of the full English breakfast, and why pigs are a staple breakfast meat.
The discussion also explores various scientific and psychological phenomena, such as the utility of altitude displays on Norwegian trains, the biological relationship between trees and fungi, and the concept of inattentive blindness. Additionally, callers touch upon lighter subjects like the habits of radio callers and whether TV quiz shows edit pauses into their broadcasts.
01 Οκτ 2026
748-
Who's filtering these callers?
Ακούστηκε
In this episode of 'Mystery Hour,' James O'Brien and various callers explore a wide range of curious questions spanning biology, linguistics, and history. The discussion covers everything from the functional purpose of the small pocket on jeans and the origins of the exclamation 'ow' to the complexities of the human swallowing reflex and the development of regional accents in British Sign Language.
The segment also delves into physical phenomena, such as the mechanics of tongue movement while chewing, the electrical differences between US and UK power grids, and how the autonomic nervous system triggers wakefulness. Ultimately, the episode connects these seemingly unrelated topics through the common theme of involuntary physiological responses to stimuli.
24 Σεπ 2026
747-
What makes a crisp a crisp?
Ακούστηκε
In this episode of Mystery Hour, James O'Brien explores a wide range of curiosities through listener interactions. The discussion covers everything from the structural reasons behind horizontal shirt buttons and how urban foxes survive droughts to the technical debate over what truly qualifies as a 'crisp.'
The show also delves into human biology and psychology, examining why stomachs rumble when empty, the mechanics of the fight-or-flight response, and the instinctual drive to park near others in empty car parks. Additionally, listeners share insights on Oyster card data storage and the development of mechanical models for pharmaceutical research.
17 Σεπ 2026
746-
I've got to smell my dog's paws
Ακούστηκε
In this episode of Mystery Hour, James O'Brien and various guests explore a wide array of scientific, historical, and everyday curiosities. The discussion covers everything from the biological reasons why dog paws smell like popcorn and how ancient civilizations developed base-12 mathematics to the science behind mushroom flavor intensification and the visibility of the moon during the day.
Listeners also delve into the mysteries of modern life, investigating why margarine consistency has changed, the mechanics of peanut butter oil separation, and the psychological implications of arm-crossing. The episode concludes with historical insights into battlefield casualty practices and the biological limitations that prevent strawberries from overrunning the world.
10 Σεπ 2026
745-
What's the point of bay leaves?
Ακούστηκε
In this episode of Mystery Hour, James O'Brien and guests explore a wide range of listener inquiries, from the historical ambiguities of leap year dates to why cats are drawn to square objects. The show delves into the science of taste through the concept of umami, investigates the mechanics behind revolving doors, and examines how modern television uses Automatic Content Recognition for targeted advertising.
The episode also features a deep dive into industrial history with an interview with Brian, a retired factory worker, who discusses his 32-year career at Heinz and the technical evolution of can production.
03 Σεπ 2026
744-
Smallest living thing in the human body?
Ακούστηκε
James O'Brien hosts a segment of Mystery Hour, engaging with callers on a wide array of scientific, historical, and trivia-based questions. The episode explores topics ranging from the history of chef uniforms and the chocolate textures of Cadbury bars to biological inquiries regarding amoebas, rodent tooth growth, and the scale of viruses.
The conversation also delves into the mechanics of the water cycle, the unique business model of Sam Smith's pubs, and the physiological sensations of brain freeze. Through listener interactions, the host explores various curiosities including film trivia involving Frank Sinatra and the sensory experiences of synesthesia.
27 Αύγ 2026
743-
Why can we smell rain before it falls?
Ακούστηκε
In this episode of the 'Mystery Hour' on LBC, James O'Brien and guests answer a diverse range of listener questions. The discussion covers human physiology, such as how we regulate body temperature and why we can smell rain before it falls, alongside topics like the legal nuances of court oaths and the behavior of seagulls.
The episode also explores technical and scientific curiosities, including the mechanics of maritime weight limits via the plimsoll line, the impact of water density on buoyancy, and the architectural reasons behind arch-shaped railway stations. Additional segments touch upon gardening, specifically regarding drought-resistant weeds and tree fern care.
20 Αύγ 2026
742-
Why does posh slang stay the same?
Ακούστηκε
In this episode of Mystery Hour, James O'Brien and various callers explore a wide range of scientific and social curiosities. Topics include the physics of opening a soda can in space, the behavior of eggs underwater, and why toddlers can accelerate so quickly to escape adults.
The conversation also delves into linguistic evolution between urban and posh slang, the visibility of meteor showers, and biological mysteries such as how SPF usage affects freckles and the evolutionary theories behind peripheral vision.
13 Αύγ 2026
741-
Walking around in a see-through dress?
Ακούστηκε
James O'Brien opens Mystery Hour with news regarding political candidates before diving into a wide-ranging series of listener questions. The episode explores diverse topics, from the social norms of seaside attire and the sensation of 'ghost glasses' to the scientific reasons behind circular planetary craters and the physics of football celebrations.
The discussion also touches upon the linguistic origins of historical dating, the persistence of Northern English surnames, and the mechanics of why public toilets may smell. The show concludes by addressing the visual effects of polarizing sunglasses and awarding a prize to a listener.
06 Αύγ 2026
740-
Harmonica making my dog howl
Ακούστηκε
In this episode of Mystery Hour, James O'Brien and various callers explore a wide array of scientific, historical, and trivial curiosities. The conversation covers topics ranging from the science of milk absorption in porridge and whether birds possess taste buds to the historical origins of Scotland Yard and the etymology of UK place names.
The segment also delves into the mechanics of 20/20 vision, the biological processes of egg production in hens, and the unique historical traffic patterns at the Savoy Theatre. From the hygiene of public transport seating to why dogs howl at harmonicas, the episode provides answers to a diverse range of listener questions.
30 Ιούλ 2026
739-
Do crabs have a dominant claw?
Ακούστηκε
James O'Brien hosts a 'Mystery Hour' segment where callers present various enigmas for the audience to solve. The episode covers a wide range of topics, including the etymology of 'peppermint', the spelling history of Boreham Wood, and the requirements for installing hedgehog crossing signs.
The discussion expands into diverse subjects such as the physics of solar energy reflected by the moon, historical reasons for driving on the left side of the road, and the mechanics of injury time in rugby versus football. The episode also explores US political registration strategies, motorway numbering systems, and the evolutionary biology and communication methods of fiddler crabs.
23 Ιούλ 2026
738-
Are my polished nails suffocating?
Ακούστηκε
In this episode of Mystery Hour, James O'Brien and his guests explore a wide array of curiosities, from the scientific nature of laughter and the biological mechanisms of cell growth to the peculiar logistics of ice cream van routes in Scotland. The discussion ranges from lighthearted debates on sartorial choices and the inaccuracy of washing machine timers to historical anecdotes regarding 10 Downing Street.
Listeners also weigh in on various modern dilemmas, including the challenges of gluten-free bread, the effectiveness of smartwatch sleep tracking, and how dogs navigate through woods at high speeds. The segment blends personal anecdotes with scientific inquiries, covering everything from the history of military goose-stepping to the mystery of whether fingernails can breathe under nail varnish.
25 Ιούν 2026
737-
Do birds herd sheep?
Ακούστηκε
In this episode of Mystery Hour, James O'Brien and various callers explore a wide array of curiosities, ranging from the science of glassware and champagne preservation to the mechanics of auction increments. The discussion delves into unexpected topics, including the functionality of lift buttons in the UK, the behavior of pollinators, and the biological navigation of mice.
The episode also addresses lighter mysteries, such as a surge of 'quack' messages from listeners and the logic behind fishermen wearing camouflage. From the defensive behaviors of lapwings protecting their nests to the industry standards of lift safety, the show connects diverse scientific and anecdotal observations.
18 Ιούν 2026
736-
Ducks in the sea?
Ακούστηκε
James O'Brien hosts the 'Mystery Hour,' navigating a range of topics from the scientific density of sweet potatoes and the history of playing cards to the biological recycling of elements in the natural world. The episode also features discussions on birdwatching with the Merlin app and the behavior of sea-dwelling ducks in Greece.
The episode is marked by breaking news regarding the resignation of the Secretary of State for Defence, John Healy. The discussion explores the political tension between military readiness and Treasury spending constraints, and the potential impact of this resignation on Prime Minister Keir Starramer's leadership.
11 Ιούν 2026
735-
Can mosquitoes get drunk?
Ακούστηκε
James O'Brien hosts a series of 'Mystery Hour' segments, where listeners pose whimsical and scientific questions for the hosts and guests to answer. The episode explores a wide range of topics, from the biological effects of alcohol on mosquitoes and the mechanics of skin pigmentation to the logistics of bus route numbering and the movement of cars into shopping malls.
Through a mix of humor and scientific explanation, the show delves into the nuances of genetics, such as DNA sharing between relatives, and the biological realities of eyelash mites and regional accents. The segments feature expert insights into how thermal sensing works in insects and the role of melanocytes in protecting the skin from UV light.
04 Ιούν 2026
734-
Why is popcorn a cinema snack?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
28 Μάιος 2026
733-
How do football commentators remember players?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
21 Μάιος 2026
732-
When did people start Mexican waving?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
14 Μάιος 2026
731-
Why are slugs coming for my dishwasher?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
07 Μάιος 2026
730-
Why has my bagel got a hole in it?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
30 Απρ 2026
729-
What colour is his ball?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
23 Απρ 2026
728-
Why is the luggage all over the place?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
16 Απρ 2026
727-
Easter eggs: what's all that about?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
02 Απρ 2026
726-
Why are there so many breads?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
26 Μάρ 2026
725-
Why don't I burn when I'm cycling?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
26 Μάρ 2026
724-
Why are letters shaped like that?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
12 Μάρ 2026
723-
Sniffing empty bottles?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
05 Μάρ 2026
722-
Why is my hamster so ungrateful?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
26 Φεβ 2026
721-
Where did they get the water from for the canals?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
12 Φεβ 2026
720-
Why won't my glasses blow off?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
29 Ιαν 2026
719-
An insult to science
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
22 Ιαν 2026
718-
Can you feel the tension in a room?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
15 Ιαν 2026
717-
Is some music too hard to play?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
08 Ιαν 2026
716-
My kitten won't listen to me
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
18 Δεκ 2025
715-
Mystery Hour Travel Edition: It's in a tin
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
11 Δεκ 2025
714-
How genetically related am I to Farage?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
04 Δεκ 2025
713-
Raw meat, leaves and that?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
27 Νοέ 2025
712-
Who invented the suit?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
20 Νοέ 2025
711-
Where did "Geordies" come from?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
13 Νοέ 2025
710-
A major induction hobs dispute
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
06 Νοέ 2025
709-
Unbelievable bee content
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
30 Οκτ 2025
708-
The truth about Guinness
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
23 Οκτ 2025
707-
Big Boxer's Beards
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
16 Οκτ 2025
706-
Why do journalists shout questions on Downing Street?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
09 Οκτ 2025
705-
One question hijacks Mystery Hour
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
25 Σεπ 2025
704-
Running the marathon with a fridge
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
18 Σεπ 2025
703-
Where are the acorn trees?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
11 Σεπ 2025
702-
What should I do with this pigeon?
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.
14 Αύγ 2025
701-
The tyranny of the picture frame
Ακούστηκε
This is a catch-up version of James O'Brien's Mystery Hour. To join the game, call 0345 60 60 973, Thursdays at 12pm.