translation.en: So bearing that in mind, as a chemist, I wanted to ask myself the question frustrated by biology: What is the minimal unit of matter that can undergo Darwinian evolution?
translation.zh: 这一点我牢记心中 作为一个化学家的我，不禁扪心自问， 这个被生物学忽视掉的问题： 什么是最小的 且能适应达尔文进化论的物质单元？