James O'Brien's Mystery Hour

James O'Brien's Mystery Hour

Global

738 - Are my polished nails suffocating?
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!
738 - Are my polished nails suffocating?
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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!

Episodens resumé

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.

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And you're in a tiny room with a priest who's also your housemaster and a hate figure. And one of you lets rip the most extraordinary guall. And that laughter there, I used to think was unique because you're trying to hold it in.

00:01:48 · James O'Brien shares a personal anecdote about the difficulty of suppressing laughter in a religious school setting.

I think it involves a sort of form of self-hypnosis. I think that they goose-step and it sort of puts them in a sort of semi-trance-like state where they won't challenge or question any orders.

00:15:36 · The host offers a theory on why exaggerated military marching styles like the goose-step might be used.

It's the physical size. I've actually sent you a picture. If you want to check out my slice of gluten-free bread... you'll feel very, very sorry for me and my very large and ever increasingly growing in size community of celiac people.

00:18:28 · A listener complains about the disproportionately small size of gluten-free bread products.

Every washing machine that I've ever had an interaction with, when it gets to the last minute, it's always never a minute.

00:38:51 · A caller expresses frustration regarding the perceived inaccuracy of washing machine timers during the final stage of a cycle.

Well, if we process at 16 frames a second, think back to your cinema, dogs process at 50 frames a second.

00:42:56 · A caller explains the biological difference in visual processing speeds between humans and dogs.

Episoder

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
737-

Do birds herd sheep?

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 jun. 2026
736-

Ducks in the sea?

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 jun. 2026
735-

Can mosquitoes get drunk?

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 jun. 2026
734-

Why is popcorn a cinema snack?

28 maj 2026