Freeze–thaw cycles in an icy pond could let an enzyme copy RNA double helices indefinitely — suggesting one way in which evolution could have begun.

中文翻译：

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结冰的池塘如何启动生命的自我复制

在冰冷的池塘中冻融循环可以让酶复制 RNA 无限期地双螺旋——这表明进化可能以一种方式开始。