"If people say harsh words to me though, I don't care. It's a risk to my life. The Taliban don't want us to be working, so they'll shoot us. And women who break their rules, they put acid on them. I said, if they shoot me, OK, but if they put acid on me, I will be alive as a dead body. I was always so afraid of that."

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There is no agreement on the extent to which metabolism could develop independently of a genetic material. In my opinion, there is no basis in known chemistry for the belief that long sequences of reactions can organize spontaneously -- and every reason to believe that they cannot. The problem of achieving sufficient specificity, whether in aqueous solution or on the surface of a mineral, is so severe that the chance of closing a cycle of reactions as complex as the reverse citric acid cycle, for example, is negligible.

— Leslie Orgel