[b_sharp]

Birth rates, death rates, disease rates, recessive gene rates, available food supplies,...

Your calculations have missed quite a few factors.

[Fester Chugabrew]

Your calculations have missed quite a few factors.

Yep. As I said, I am not smart enough to do the math, but neither am I dumb enough to accept the word "impossible" as applicable to generating six billion people from eight. Yet even doing it my own stupid, simple way it doesn't take a lot of multiplication, does it?