Thank you for your responses! I will check out The Story of Science and Little Big Minds. It's reassuring to know there are other artsy/mathy spiritual kids out there - mostly girls?

She hasn't talked about reincarnation, nor am I trying to suggest that about her. I'm just impressed that she is mulling over some of the bigger concepts of life and death.

I don't think "religion" is the term to accurately describe DD's thinking.

Kelly, I love the idea that these are the minds of young philosophers. Maybe I should share Descartes' concepts of dualism with her. Philosophy 101 was a long time ago for me so I'll have to brush up. smile