How you map numbers in your mind isn’t universal, even among people who read the same language

Imagine taking out a 12-inch ruler and finding that the number 12 is on the left side and the number 1 is on the right side.
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Everyone maps numbers in space. But why don’t we all use the same directions?

For Westerners, numbers and time run left to right. For some Bolivians, any direction will do Consider a ruler, a timeline or even weights lined up in a gym. Why are the smaller values, the earlier ...