How Crowds Work

Stuff You Should Know

iHeartPodcasts

Society & Culture

4.5 • 82.7K Ratings

🗓️ 17 February 2026

⏱️ 46 minutes

🔗️ Recording | iTunes | RSS

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Summary

If you’ve ever been out of your house you’ve probably been in a crowd before. They can be as mundane as an elevator full of people or as consequential as a mass of protesters. But did you know there’s psychology to crowds? And they follow fluid dynamics?

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Transcript

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0:00.0	This is an IHeart podcast.
0:02.0	Guaranteed Human.
0:04.0	Welcome to Stuff You Should Know, a production of IHeart Radio.
0:14.0	Hey and welcome to the podcast. I'm Josh. There's Chuck. There's Jerry.
0:20.0	You squeeze us together in a one meter square space.
0:24.7	We're still doing pretty good on steps you should know.
0:28.5	You know what's funny is I was reading, and we'll get to it. But when things start to become
0:34.0	problematic as far as people per square meter, Mm-hmm. And I started to panic.
0:39.2	Oh, really?
0:40.0	Yeah.
0:40.6	Oh, man.
0:41.0	That didn't get me, but it occurred to me that some people listening to this are
0:44.8	going to feel that way, too.
0:46.5	Yeah, because we're talking about crowds.
0:48.0	And if even the discussion of being in very close proximity to someone else
0:53.4	triggers you,
0:54.3	then consider this your warning.
0:56.9	Yeah, great, great job, Chuck.
0:58.7	Yeah, sure.
0:59.6	So we are talking crowds today, Chuck.
1:01.5	You spoiled the entire episode by mentioning that.
1:04.6	Yeah.
	...

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