Why do cats rule the Internet? Because they're cute, they're sassy and they behave so differently from humans -- or, as io9 editor-in-chief Annalee Newitz puts it, because cats act like they're from another planet, and the people most involved with web culture, self-styled "geeks" -- are drawn to that.
"I've been living with cats for my entire adult life and I can tell you with serene confidence that unlike dogs, cats are aliens," Newitz writes in a recent essay. "Dogs live in packs, like humans, and seem to natively understand the idea of dominance and submission that is so pervasive in Homo sapiens culture. Cats don't [care] about who is in charge, though. They don't navigate their worlds by looking to a leader."
Newitz learned this by watching the puzzling interactions between her own cats, Time and Space, who appeared to hate each other for no reason. Space would mind her own business while Time tried to play, and Newitz recounts that she would find the two attacking one another, seemingly without reason. Loathe to the idea of getting rid of one or both of her cats, Newitz went to great lengths to try to understand their behavior: