“Hell,” Hnatt said vigorously, “that’s what it’s not; it’s an acceleration of the natural evolutionary process that’s going on all the time anyway, only usually it’s so slow we don’t perceive it. I mean, look at our ancestors in caves; they were covered with body-hair and they had no chins and a very limited frontal-area brain-wise. And they had huge fused molars in order to chew uncooked seeds.” “Okay,” Emily said, nodding. “The farther away we can get from them the better. Anyhow, they evolved to meet the Ice Age; we have to evolve to meet the Fire Age, just the opposite. So we need that
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