

In practice, sure—if nothing else, it means they wanted a tattoo. The mere presence of a tattoo has some cultural relevance, even if the particular design is otherwise meaningless. (Unless they got it involuntarily like an Auschwitz tattoo, which still has meaning of a different kind.)









Did the bacterium evolve to fight cancer in its host just due to selection pressure to prevent host death?
If that’s the case, I’m surprised it was able to do it better than its host’s immune system—I guess bacteria can evolve faster due to shorter generations?