In the episode, Miranda only ends up spraying and using the 1% in the end (Superman diluted her 100% solution so that it didn't affect her more than the 1% would). They claim that the 100% would be permanent, but I don't know if I actually believe that necessarily. Do they mean that it would affect them for over 100 years (which would be pretty much "permanent" for everyone sprayed) or do they mean that it would cause major genetic changes to the population?
Also, how long would a different percentage have lasted? Is it a straight line graph or curve? Would it have affected people differently than the 1% did? etc.
CLARK: No. I'm just worried I'm a jinx.
JONATHAN: A jinx?
CLARK: Yeah. Let's face it, ever since she's known me, Lois's been kidnapped, frozen, pushed off buildings, almost stabbed, poisoned, buried alive and who knows what else, and it's all because of me.
-"Contact" (You're not her jinx, you're her blessing.)
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