RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
188 results for "zoo hypothesis" — page 1 of 10
X_5_23 — Zoonotic Disease: Pathogen Spillover from Animals to Humans
Zoonotic diseases — infections that transmit from animals to humans — constitute approximately 60–75% of all emerging infectious diseases and have caused the most devastating pandemics in human history. The Neolithic rev
X_4_20 — Autoimmune Disease Rise & Hygiene Hypothesis
The dramatic rise of autoimmune and allergic diseases in industrialized nations over the past half-century — while these conditions remain comparatively rare in developing countries — represents one of the most important
Q_2_17 — Fermi Paradox Solutions Comprehensive
The Fermi Paradox — named after physicist Enrico Fermi's 1950 lunchtime remark "Where is everybody?" — captures the apparent contradiction between the high probability of extraterrestrial civilizations (given the ~200–40
Q_3_01 — The Fermi Paradox & Drake Equation
Enrico Fermi's 1950 lunch question — "Where is everybody?" — remains one of the deepest unanswered questions in science. The galaxy is ~13.6 billion years old, contains ~100–400 billion stars, and (as we now know from Ke
Q_3_19 — The Fermi Paradox: A Catalog of Proposed Solutions
The Fermi Paradox — the apparent contradiction between the high probability of extraterrestrial civilizations (given ~200–400 billion stars in the Milky Way, with ~20% harboring Earth-like planets in habitable zones) and
S_4_06 — Interstellar Communication — SETI, Breakthrough Listen, and the Search for Intelligence
The scientific search for extraterrestrial intelligence (SETI) has proceeded for over six decades since Frank Drake's Project Ozma (1960) first aimed a radio telescope at nearby stars, yet no confirmed signal of intellig
F_4_11 — Indo-European Migrations: Yamnaya, Corded Ware, and the Steppe Hypothesis
The Indo-European language family — comprising roughly 450 languages spoken by nearly half the world's population — traces its origins to pastoralist communities of the Pontic-Caspian steppe between approximately 4500 an
I_1_08 — The Drake Equation, Fermi Paradox, and UAP Implications
The Drake Equation and the Fermi Paradox represent the two foundational frameworks for thinking about the probability of extraterrestrial intelligence — and their intersection with UAP discourse is both natural and conte
M_4_09 — Younger Dryas Impact and Lost Civilization Hypothesis
The Younger Dryas Impact Hypothesis (YDIH) proposes that a cosmic impact or airburst event approximately 12,800 years ago (12.8 ka BP) triggered the Younger Dryas cold reversal — a ~1,300-year return to near-glacial cond
M_4_15 — The Richat Structure and the Atlantis Hypothesis
The Richat Structure (Guelb er Richat, "Eye of the Sahara") is a prominent ~40-km-diameter circular geological formation in the Adrar Plateau of Mauritania (21.13°N, 11.40°W). Its concentric ring pattern — visible from s
C_1_14 — Dumézil's Trifunctional Hypothesis: Indo-European Social Structure in Myth
Georges Dumézil (1898–1986) was a French comparative mythologist and philologist who proposed that the mythologies, religions, and social institutions of Indo-European-speaking peoples share a common tripartite ideologic
ZG_5_19 — Marija Gimbutas: Old Europe, Goddess Archaeology, and the Kurgan Hypothesis
Marija Gimbutas (1921–1994) was a Lithuanian-American archaeologist whose "Kurgan hypothesis" and "Old Europe" thesis fundamentally reshaped Indo-European studies and Neolithic archaeology. Working at UCLA from 1963 unti
ZG_5_18 — Kurgan Hypothesis: Indo-European Origins and Steppe Migrations
The Kurgan hypothesis, formulated by Lithuanian-American archaeologist Marija Gimbutas in 1956 and elaborated through the 1970s–1990s, proposes that the Proto-Indo-European (PIE) language originated among pastoralist com
ZG_3_19 — Sapir-Whorf Hypothesis: Modern Evidence
The Sapir-Whorf hypothesis — the idea that the structure of a language influences its speakers' perception and cognition — has undergone a dramatic rehabilitation since the 1990s after decades of near-total rejection in
TH_06 — The Dislocated Consciousness Hypothesis
Almost nobody seriously doubts that people experience ghosts — the felt presence, the figure on the stair, the certainty of being watched. The real question is what produces those experiences, and the honest answer is th
G_2_10 — Zooarchaeology — Animal Bones as Cultural Evidence
Zooarchaeology (also called archaeozoology) is the study of animal remains — primarily bones, teeth, antler, horn, and shell — recovered from archaeological sites, to reconstruct past human-animal relationships, includin
O_5_16 — Gaia Hypothesis and Earth System Self-Regulation
The Gaia hypothesis, proposed by James Lovelock (atmospheric chemist, 1919–2022) and co-developed with Lynn Margulis (microbiologist, 1938–2011), posits that Earth's biosphere, atmosphere, oceans, and geosphere interact
R_2_07 — Stoned Ape Hypothesis — Psilocybin, Cognitive Evolution, and the McKenna Theory
The "Stoned Ape Hypothesis," proposed by ethnobotanist Terence McKenna in Food of the Gods (1992), posits that the consumption of psilocybin-containing mushrooms by early hominids (particularly Homo erectus and Homo erga
R_2_02 — Convergent Evolution and the Aquatic Ape Hypothesis
Convergent evolution — the independent development of similar features in unrelated lineages — is one of biology's most profound patterns. Eyes evolved independently at least 40-65 times (Fernald 2006). Echolocation evol
I_1_13 — Interdimensional & Ultraterrestrial Hypothesis
The interdimensional hypothesis (IDH) and ultraterrestrial hypothesis (UTH) propose that unidentified aerial phenomena originate not from extraterrestrial civilizations traveling across interstellar distances, but from b
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