The idea of an animal that can count or do math might sound like something out of a viral news story or TikTok video. But a sense of quantity, sometimes called "numerosity," appears across a ...

In Obduction, the Villeins use a base 4 number system — and you'll have to use it to solve puzzles. To understand it, you have to think about our own numbers for a minute. We use base 10. This means ...