“Both. I don’t know. But suppose something happened thirty, forty thousand years ago. There were shadow particles around before then, obviously—they’ve been around since the Big Bang—but there was no physical way of amplifying their effects at our level, the anthropic level. The level of human beings. And then something happened, I can’t imagine what, but it involved evolution. Hence your skulls—remember? No Shadows before that time, lots afterward? And the skulls the child found in the museum, that she tested with her compass thing. She told me the same thing. What I’m saying is that around
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