This is an installment of Reading Reddit, a Slate pop-up blog about Reddit. In the beginning, there was 1. Then, there was 2. Soon after that, there was 3, and 4, and ...

People first started to count in singles and duals. They didn't assign numbers. I, you, he, she would refer to one. Duals were expressed with an "operator": He and you; neither this nor that; either ...

Have you even thought deeply about Buzz Lightyear's famous catchphrase from the "Toy Story" movies? Probably not. But maybe you've sometimes looked up at the night sky and wondered about the nature of ...