Why A Sandwich Has A Legal Definition
In 2006, a British court ruled on whether a 'wrap' is a sandwich. In US tax law, a burrito isn't. Food categories are now a regulated battleground.
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Rabbit hole
Things Humans Made Complicated
Conventions that started simple and never recovered.
4 guides
Format:
4 guides
Why Time Zones Are A Patchwork
The world was supposed to have 24 neat time zones. Instead it has 38, plus a 45-minute one, a 30-minute one, and a country with no time zone at all.
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Why There Are 60 Minutes In An Hour
You count in tens because you have ten fingers. You count time in sixties because 4,000 years ago, the Sumerians counted in sixties too.
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Why There Are 7 Days In A Week
The month is the moon, the year is the sun, the day is the earth. But the week? The week has no astronomical reason. It's pure human invention.
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