I posted this on my own blog, but since stu may be intersted in this, I will also post it here.
My aunt just pointed me to this excellent article written by an astronomer-colleague of hers.
http://biologos.org/uploads/projects/wiseman_white_paper.pdf
It inspires me to think again about developing a presentation that I could give to church groups. This article could form a good outline for such a presentation.
