A spineless creature experienced two doublings in DNA, triggering the evolution of humans and other animals.
Well, at least this explains where spineless managers came from. They are an evolutionary throwback. And it explains how they screwed it up so that we have all kinds of diseases.
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"I don't have to be petty. The Universe does that for me."
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Raj: I don't like bugs, okay? They freak me out.
Sheldon: Interesting. You're afraid of insects and women. Ladybugs must render you catatonic.
-- Big Bang Theory