Species of human lice thus mirror the splits in the tree of ape and human evolution.

人体上的虱子物种反映了猿和人类进化历程的分节点。

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Human beings have evolved to jump away from spiders, cockroaches, rats, bedbugs, earwigs, lice, fleas and centipedes.

从类已经进化成见到蜘蛛、蟑螂、老鼠、臭虫、蠼螋、虱子、跳蚤、和蜈蚣等害虫就吓得立刻跳开的地步。

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Human head lice are related genetically to lice on chimpanzees, and the two species began to diverge as humans and chimps diverged.

人类头上的虱子同黑猩猩身上的虱子有遗传学上的关联。随着人类和黑猩猩的分化，这两种虱子也开始分道扬镳。

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For instance, one emerging service company in our own region that recently came to my attention performs the highly specialized service of treating human head lice.

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The author gives us such delicious tidbits as the fact that the date of human adoption of clothing can be determined by the genetic history of the human body lice, which requires clothing (ours, not theirs) to sustain itself.

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