check out this link for some interesting info on the "greed center" of your brains...http://news.yahoo.com/s/hsn/20061005/hl_hsn/studyspotsthebrainsselfishnessoffswitch
Why is it we can't duplicate
Yeah well, we're talking about something we know 100% for sure to have happened (life creation), not some theoretical possibility like on star trek, which probably would require super advanced technology.
I'm also wondering if life creation has only happened once, hmm.