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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Avsnittssammanfattning

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.

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Höjdpunkter

What would happen if you opened a can of Coke in space?

00:04:09 · A caller presents a scientific mystery regarding pressurized containers in a vacuum.

The acceleration will be faster, even though the speed they end up at is going to be considerably slower.

00:15:24 · James explains his theory on why toddlers can initially outrun adults by focusing on the difference between acceleration and top speed.

There's a time limit on copyright. So I know with books, you know when you're in the bookshop, you can buy all the Dickens and all the Jane Austens for 99p. It's because they're out of copyright.

00:23:13 · James explains why classical composers like Beethoven do not receive royalties through the concept of copyright expiration.

upper-class people, posh people, tend to have all these little codes and shibboleths.

00:30:09 · The caller explains how certain linguistic patterns are used deliberately as markers of social class.

outside a spaceship, that can of Coke is likely to boil and then immediately freeze.

00:36:18 · A caller explains the effect of vacuum pressure on liquids in space.

Avsnitt

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 Aug 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 Aug 2026
740-

Harmonica making my dog howl

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 Jul 2026
739-

Do crabs have a dominant claw?

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 Jul 2026
738-

Are my polished nails suffocating?

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 Jun 2026