What makes something entertaining or not isn't necessarily a property of the topic. I think you just need an expert who is a good communicator and really enthus

What makes something entertaining or not isn't necessarily a property of the topic. I think you just need an expert who is a good communicator and really enthusiastic about the thing to help you understand why it's cool or important or interesting. The trouble is there are only so many Carl Sagan level people to go around.