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Primordial soup, also known as prebiotic soup and Haldane soup, is the hypothetical set of conditions present on the Earth around 3.7 to 4.0 billion years ago. It is an aspect of the heterotrophic theory (also known as the Oparin–Haldane hypothesis) concerning the origin of life, first proposed by Alexander Oparin in 1924, and J. B. S. Haldane in 1929.
The 2015 NASA strategy on the origin of life aimed to solve the puzzle by identifying interactions, intermediary structures and functions, energy sources, and environmental factors that contributed to the diversity, selection, and replication of evolvable macromolecular systems, [2] and mapping the chemical landscape of potential primordial ...
Since then, the primordial soup theory (Oparin–Haldane hypothesis) has become the foundation in the study of abiogenesis. [88] [89] [90] Although Oparin's theory became widely known only after the English version in 1936, Haldane accepted Oparin's originality and said, "I have very little doubt that Professor Oparin has the priority over me ...
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In phase 2, H 2 reacts with CO 2 to produce CH 4 while the atmosphere cools for thousands of years and steam condenses to an ocean. Phase 3 represents the Miller-Urey atmosphere that persists for millions of years, where N 2 and CH 4 photochemistry generates HCN. The atmosphere returns to a CO 2 and N 2 dominated atmosphere after H 2 escapes ...
Robert Shapiro has summarized the "primordial soup" theory of Oparin and Haldane in its "mature form" as follows: [32] The early Earth had a chemically reducing atmosphere. This atmosphere, exposed to energy in various forms, produced simple organic compounds ("monomers").
A step-by-step guide to how one debunked story fueled Republicans’ Biden impeachment effort Analysis by Zachary B. Wolf and Marshall Cohen, CNN February 22, 2024 at 6:17 AM
China accused the United States of a “serious regression” in its position on Taiwan, after the State Department updated the Taiwan section of its website.