Expl1373-Flickr-NOAAPhotoLibrary Type post Author Casey Luskin Date August 11, 2026 CategoriesEvolutionOrigin of Life Tagged , abiotic chemical reactions, amino acids, archaea, bacteria, cellular organism, cofactors, common ancestry, environment, enzymatic metabolism, enzymes, evolutionary biologists, homology, hydrothermal vent, last archaeal common ancestor, Last Bacterial Common Ancestor, Last Universal Common Ancestor, lineages, LUCA, nucleobases, organic molecules, origin of life, Science Advances, Smithsonian Magazine, universal common ancestry Enzymes in Bacteria and Archaea Are So Dissimilar There Must Be “Two Origins of Life” Casey Luskin August 11, 2026 Evolution, Origin of Life 7 Don’t get distracted by wondering how the extreme heat near a vent (a toasty 750° F or more inside the vent) wouldn’t quickly break down organic molecules. Read More ›