I have a real interest,so come a Saturday if I have the time, I will spend some on the Internet looking at what is what.
Anyway it makes for very good conversation, beats small talk!
The various Sciences is one subject I adore!
Astronomy, Anthropology, Geology are my favourites'.
Keeps the 'little grey cells' firing as Poirot would say! Now I've the time to 'informally study' these, it's great!