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A group of scientists claim that the origin of life for complex organisms on Earth might have occurred not once, but twice. This challenges our current understanding of early evolution and the biological history of our planet. However, their findings have been rather controversial. Let's have a look at the evidence.
Paper 1 here: https://www.nature.com/articles/s41467-025-59760-9
Paper 2 here: https://www.nature.com/articles/s41598-025-04512-4
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