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.
523 results for "facial action coding system" — page 8 of 27
X_3_19 — Gastroenterology & Digestive Disorders
Gastroenterology encompasses the study and treatment of the entire gastrointestinal (GI) tract — from esophagus to rectum — along with the liver, pancreas, and biliary system. The human gut is the body's largest immune o
X_3_02 — Vaccination and Immunology History
Vaccination — the deliberate stimulation of adaptive immune responses using weakened, killed, or component pathogens to provide protection against infectious disease — is among the most consequential medical intervention
INTERDOC_69 — Suppression and Cascade Risk as Entangled Institutional Failure Modes
Two phenomena that appear to belong to different domains — knowledge suppression (why institutions reject inconvenient truths) and cascade collapse (why complex civilizations fail catastrophically) — share a common deep
INTERDOC_66 — Information Persistence Through Catastrophic Events
Three apparently unrelated phenomena share a deep structural feature:
W_4_02 — Polynesian Navigation and Rapa Nui
The Polynesian settlement of the Pacific Ocean — the largest migration in human prehistory — colonized virtually every inhabitable island across 16 million km² of open ocean using non-instrument navigation techniques of
W_4_15 — Ancestral Puebloan: Chaco Canyon, Mesa Verde, and Cliff Dwellings
The Ancestral Puebloan peoples (formerly "Anasazi" — a Navajo term meaning "ancient ones" or "ancient enemies," now considered disrespectful by many Puebloan descendants) developed one of the most architecturally and ast
W_1_17 — Islamic Caliphates Comparative Governance
The Islamic caliphates (632–1258 CE for the Rashidun–Abbasid sequence) governed the largest contiguous empire in history by the Umayyad period, stretching from the Iberian Peninsula to the Indus Valley. This document com
W_1_01 — Olmec Civilization and Serpent-Jaguar Symbolism
The Olmec civilization (~1500–400 BCE), centered in the tropical lowlands of Mexico's Gulf Coast (modern Veracruz and Tabasco), is widely considered the "mother culture" of Mesoamerica — the civilization from which later
W_3_12 — Gupta Empire: Classical India's Golden Age
The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu
W_2_23 — Pyu City-States
The Pyu city-states (c. 200 BCE – 1050 CE) were the earliest urbanized polities in mainland Southeast Asia, located in the dry zone and Irrawaddy River valley of modern Myanmar (Burma). Three major walled cities — Beikth
W_2_28 — Gupta Empire: Classical India's Golden Age
The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu
W_2_01 — Jōmon People and Pre-Yamato Japan
This document examines Jōmon People and Pre-Yamato Japan, a topic within the Global Traditions research area. Key areas of investigation include Chronological Framework, The Oldest Pottery in the World, Population and Se
W_5_35 — I Ching: The Book of Changes, Divination, and Binary Philosophy
The I Ching (Yìjīng, 易經, "Classic of Changes") is among the oldest continuously used texts in human history, with roots extending to the Western Zhou dynasty (c. 1000–750 BCE) and legendary attribution to Fu Xi (trigrams
W_5_08 — Mongol Empire and Nomadic Civilization
The Mongol Empire (1206–1368 CE) was the largest contiguous land empire in human history, stretching from Korea to Hungary at its peak under Genghis Khan's successors. Arising from the unification of nomadic Turko-Mongol
TOA_Transparency — Research Methodology & Verification Overview
Theories of Anything is a 3,627-document multi-disciplinary research knowledge base built through a human–AI partnership (Gortiva and Cairn, a Claude-based model from Anthropic). Every document follows an identical templ
ZH_4_02 — Precession in Ancient Culture: Hamlet's Mill Thesis
Hamlet's Mill: An Essay on Myth and the Frame of Time (1969), by MIT historian of science Giorgio de Santillana and ethnologist Hertha von Dechend, is one of the most intellectually ambitious — and controversial — works
ZH_5_19 — History of Astrology: Babylonian Origins to Modern Practice
Astrology — the belief that celestial bodies influence terrestrial events and human character — originated in Mesopotamia (c. 2000–1000 BCE), was systematized into natal horoscopy in the Hellenistic period (c. 1st centur
ZH_5_10 — Naked-Eye Observational Limits: Precision, Techniques, and Ancient Achievement
For all but the last ~400 years of human history, every astronomical observation was made with the unaided eye. Understanding the limits and capabilities of naked-eye observation is therefore essential for evaluating anc
ZH_5_20 — Maya Calendar Systems: Cycles of Time and Cosmic Order
The Maya calendar system represents one of the most sophisticated timekeeping frameworks developed by any civilization, integrating multiple interlocking cycles to track sacred, civil, agricultural, and cosmic time over
ZH_2_02 — Indian Astronomical Traditions: Aryabhata to Jantar Mantar
Indian astronomy (Jyotish Shastra) constitutes one of the most mathematically sophisticated astronomical traditions of the pre-modern world, spanning from the Vedic period (c. 1500–500 BCE) through the classical siddhānt
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