Chris Rowan: "⚒️🧪 Serendipity! How a 2.4 billion year-old rock “picked up by chance” turned out to contain surprisingly complex microfossils from the time of the Great Oxidation Event. https://news.unsw.edu.au/en/erica-picked-up-a-rock-10-years-ago-it-might-hold-the-oldest-form-of-complex-life-on-earth"