Fisher说：“不论这个识别因素是什么，这就像指印一样，千差万别”。她与哈佛大学进化生物学家Hopi Hoekstra的研究成果在今天《自然》在线上发表。

"Whatever the recognition factor is, it is extremely variable, like a fingerprint," says Fisher, who reports her findings with Harvard evolutionary biologist Hopi Hoekstra online today in Nature.

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反正和它们相比，其他蝙蝠、老鼠或寄生蜂看起来也差不了多少。 但实际上，人类的生命有时候就取决于是否能识别出那些细微的差别来。

In fact, our own lives sometimes depend on recognizing the subtle differences.

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而且，他确实识别出WMAP数据里有一定数量的圆环具有明显低于周围背景的温度差。

And indeed, he identified a number of rings within the WMAP data that had a temperature variance that was markedly lower than that of the surrounding sky.

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