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Bennu Asteroid Samples Rewrite Origins of Prebiotic Life Molecules

Bennu Asteroid Samples Rewrite Origins of Prebiotic Life Molecules

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 New analysis of asteroid Bennu shows that amino acids can form in cold, icy, and radioactive environments, overturning the idea that warm water is essential. Isotopic evidence points to multiple chemical pathways and diverse solar origins for life’s basic molecules, reshaping theories about how prebiotic chemistry emerged in the early Solar System.

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