PAH world hypothesis
Hypothesis about the origin of life / From Wikipedia, the free encyclopedia
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The PAH world hypothesis is a speculative hypothesis that proposes that polycyclic aromatic hydrocarbons (PAHs), known to be abundant in the universe,[1][2][3] including in comets,[4] and assumed to be abundant in the primordial soup of the early Earth, played a major role in the origin of life by mediating the synthesis of RNA molecules, leading into the RNA world. However, as yet, the hypothesis is untested.[5]