Ben and his wife counted 24 sirens in a single day, sparking a quest to prove they're dangerously unnecessary.
As heard by us
A siren gets treated like common sense, then the numbers ask a sharper question.
The episode treats sirens as a spandrel, using Ben-Nadav Hafri's work to ask what seems indispensable but may simply travel with something that actually does the useful work.
Why you'd press play
If you like one small ambulance-coding change turning into a surprisingly loud public argument.
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