Humans, for the most part, count in chunks of 10 — that’s the foundation of the decimal system. Despite its near-universal adoption, however, it’s a completely arbitrary numbering system that emerged ...

Z(10). When you stack such rings one on top of the other, and you let them represent, in turn, the units, tens, hundreds, thousands, ten thousands, and so on, based on each ring's location, you get ...

If we, like cartoon characters, had four fingers on each hand, it might have had a surprising effect on how we look at the world. Our number system is a decimal system, or base ten system, meaning ...