How you map numbers in your mind isn't universal, even among people who read in 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.

Why Humans Are Obsessed With Numbers Too Big to Understand

Mathematician Richard Elwes discusses humanity's long-time fascination with ginormous numbers—and what this obsession reveals ...