I am from the US, and I did have to lookup what a philosopher's stone is. Though I don't know if I would agree that knowledge of such a fictional or mythologic

I am from the US, and I did have to lookup what a philosopher's stone is. Though I don't know if I would agree that knowledge of such a fictional or mythological object is any more or less sophisticated, so much as a cultural difference in what types of fiction or mythology are more culturally common. I also don't know anything about what my "sign" is in astrology and I don't think that makes me less sophisticated than those who do. I just have different kinds of useless knowledge.