The stories behind the episodes — history, pop culture, and the little things that make you just dangerous enough to hold your own. New reads every week.
What is the shopping cart theory? The 2020 internet argument that returning your cart tests your character, where it came from, and why a quarter beats it.
What is Dunbar's number? The 150-person ceiling on how many people you can really know, where the figure came from, and why researchers still fight over it.
What is the broken windows theory? The 1982 idea that unpunished small rule-breaking spreads, the abandoned-car study, and where the theory got it wrong.
Society runs on rules nobody ever wrote down - from party exits to armrests to the shopping cart test. Here's the etiquette we all follow, why we rage when it's broken, and the science behind it.