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   Gamma rays convert CH4 to complex organic molecules, may explain origin of life (phys.org)
ScholarlyArticle: "γ-Ray Driven Aqueous-Phase Methane Conversions into Complex Molecules up to Glycine" (2024) https://onlinelibrary.wiley.com/doi/10.1002/anie.202413296 :

> Abstract: γ-Ray is capable of driving an aqueous-phase CH4+H2O+O2 conversion selectively into CH3COOH via ⋅CH3 and ⋅OH radical intermediates, and driving an aqueous-phase CH3COOH+NH3 conversion into NH2CH2COOH via ⋅CH2COOH and ⋅NH2 radical intermediates. Such γ-ray driven aqueous-phase methane conversions probably play an important role in the formation network of complex organic molecules in the universe, and provides a strategy to convert abundant CH4 into value-added products at mild conditions.