James O'Brien's Mystery Hour

James O'Brien's Mystery Hour

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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Resumen del episodio

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.

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And if you go back, if you look at some government websites, they say that it can be recorded as either the 28th or the 1st of March on some official documents.

00:05:21 · A caller named Nigel discusses the historical ambiguity of recording February 29th on official paperwork.

The youngsters don't watch normal telly, Lewis. They're watching everything on their devices and streaming.

00:13:31 · The host explains why older audiences are targeted with specific advertisements on traditional television.

And it turned out that the tongue responds in a specific way to sweet, sour, salt and bitter. And it responded to this thing that he found in seaweed in a fifth way, in a different enough way. And that is called umami.

00:18:26 · The host describes the scientific discovery of the fifth taste sensation known as umami.

Every time we put down a sheet of paper, the cat sits on it.

00:28:37 · A listener presents a question about why their cat is attracted to sitting on white, square-shaped objects.

It's called Automatic Content Recognition and it's going to get more precise.

00:42:31 · The host explains the technology used to deliver personalized advertisements based on what is being watched on television.

Episodios

745-

What's the point of bay leaves?

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 sep. 2026
744-

Smallest living thing in the human body?

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 ago. 2026
743-

Why can we smell rain before it falls?

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 ago. 2026
742-

Why does posh slang stay the same?

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 ago. 2026
741-

Walking around in a see-through dress?

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 ago. 2026