Life ≠ Alive

Michael Lachmann and Sara Walker: Our aim is to understand life on Earth and on other worlds, and to understand its origin. But in order to achieve this we might have to fundamentally change the way we think about life. A cat is an instance of an organism that is alive. But it is also a 4 billion-year-old lineage of independently derived functional information. The question of whether Schrödinger’s cat is alive or dead might not be the right one — in either case, it is life.

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