马修斯说，接触土壤中的细菌或许也能影响人类的大脑：“这不过显示了我们是从采猎者进化而来，期间不断与泥土打交道。
Matthews says that exposure to soil bacteria may affect human brains too. "It just shows that we evolved with dirt as hunter-gatherers," she says.
整个进化过程会由此重启——卡斯汀兄弟和丘奇认为镜像掠食者可以进化，但届时无论何种生命会幸存下来，人类都不可能位列其中。
It would be a total evolutionary reboot-both Kasting and Church think mirror predators would evolve, but whatever life existed on Earth by that point wouldn't include us.
进化论怀疑者会说人类不可能是从黑猩猩进化来的——这也许是对的。
Skeptics of evolution might say there's no way humans evolved from chimps — and they would be right.
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