This hypothesis was originally proposed by James A. Lake and colleagues in 1984 based on the discovery that the shapes of ribosomes in the Crenarcaeota and eukaryotes are more similar to each other than to either bacteria or the second major kingdom of archaea, the Euryarchaeota.
Riemann hypothesis | Alvarez hypothesis | Witch-cult hypothesis | extraterrestrial hypothesis | two-source hypothesis | Rare Earth hypothesis | Hebrew Gospel hypothesis | Articulata hypothesis | Warburg hypothesis | Two-source hypothesis | Turnover-pulse hypothesis | Three-source hypothesis | Swoon hypothesis | Stolen body hypothesis | Statistical hypothesis testing | Schinzel's hypothesis H | Random walk hypothesis | Generalized Riemann Hypothesis | Four-document hypothesis | Extraterrestrial Hypothesis | Extraterrestrial hypothesis | Efficient-market hypothesis | Dopamine hypothesis of schizophrenia | Documentary Hypothesis | documentary hypothesis | Biophilia hypothesis | Augustinian hypothesis | Apparent-time hypothesis |