生命如何起源？科学家们仍在探索

How Did Life Begin? Scientists disagree on how biology got started and on whether we can ever know for sure BY SARAH SCOLES ILLUSTRATIONS BY DEENA SO’OTEH In a laboratory at McMaster University in Ontario, a device that seems almost alive glows purple as it churns through its work. Atop a boxy base that resembles a small kitchen island, a windowed hemispherical chamber sits. Cords and instruments poke from it like flower petals. Gas billows from its bottom. The setup’s purpose is hard to fathom if you don’t know what it is and even perhaps if you do. Inside that little chamber is a whole world. Its name is, appropriately, the Planet Simulator. …