This is an interesting topic. I apologise, but I haven't listened to any of your fathers' talks (I don't have a sound card on my computer here). However, there are many scientific arguments for evolution too:
http://www.newscientist.com/evolutionmyths Just recently, an interesting situation was witnessed in a laboratory, where a strain of E.coli was seen evolving new and beneficial characteristics:
http://www.newscientist.com/channel/life/evolution/dn14094-bacteria-make-major-e
volutionary-shift-in-the-lab.html I think that one interesting point on this whole issue is that one side (evolutionists) took discoveries and ideas and built a non-theistic theory around it, while the other side (creationists) already have an theistic explanation and then reconcile scientific discoveries into it. Both require a degree of faith, but it depends upon whether one favours faith in God, or faith in human reason. Exciting stuff!