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Originally posted by: Yoda Is Your Father
But then they'll just figure out a way to simultae a pulse by surgically attaching the thumb to their own hand or something.
Reminds me of something I heard on Deep Space 9 at one point. When Sisko was wondering if his father was a changeling, his father says "Go ahead and take your blood tests. Don't you realize that there isn't a test in the world a smart man can't figure his way around".