It’s an argument that goes back millennia. You’re either a cat person or a dog person, and no amount of reasoning, evidence, or cohabitation is going to change that. Science, however, just threw its weight behind one side, and cat people are going to be completely insufferable about it. According to a recent Live Science piece, the question of whether humans are more closely related to cats or dogs depends entirely on how you’re measuring. And one answer is going to make cat people unbearable at dinner parties for the foreseeable future. Videos by VICE From a pure evolutionary standpoint, it’s a tie. Cats, dogs, and humans are all mammals, but the family tree branches off quickly. Both cats and dogs fall within the order Carnivora, while humans are primates. Those two groups split from a common ancestor somewhere between 90 and 95 million years ago, according to Mark Springer , professor emeritus of evolution, ecology, and organismal biology at UC Riverside.…