RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

738 results for "Fu Xi" — page 24 of 37

D_3_10 Verified Sites & Artifacts

D_3_10 — Derinkuyu and Cappadocian Underground Cities

Derinkuyu — the deepest known underground city in Cappadocia, central Turkey — extends approximately 85 meters (280 feet) below the surface across 18 recognized levels (8 fully excavated and open to visitors), with the c

Derinkuyu Cappadocia underground city subterranean tuff volcanic rock
D_3_02 Sites & Artifacts

D_3_02 — Paracas Trident, Candelabra, and Cross-Cultural Trident Symbolism

The Paracas Candelabra (also called "Candelabro de Paracas" or "the Trident") is a massive geoglyph carved into the sandy hillside of the Paracas Peninsula on Peru's southern coast, overlooking Pisco Bay. Measuring ~180

Paracas Candelabra trident Pisco Bay geoglyph Nazca Lines Paracas culture
D_3_06 Sites & Artifacts

D_3_06 — Terracotta Army — First Emperor's Eternal Guard

The Terracotta Army is a collection of approximately 8,000 life-sized clay soldier figures, 130 chariots, 520 chariot horses, and 150 cavalry horses buried in three major pit complexes adjacent to the mausoleum of Qin Sh

Terracotta Army Qin Shi Huang terracotta warriors Pit 1 Pit 2 Pit 3
D_4_09 Verified Sites & Artifacts

D_4_09 — Cenotes: Maya Sacred Wells, Karst Hydrology, and Underworld Cosmology

Cenotes (from Yucatec Maya dz'onot or ts'onot) are natural sinkholes formed by the dissolution and collapse of limestone bedrock in the Yucatan Peninsula, exposing the vast underground freshwater aquifer beneath. Over 6,

cenote dz'onot Yucatan karst Chichén Itzá Sacred Cenote Maya sacrifice
D_4_01 Sites & Artifacts

D_4_01 — Underground Cities and Myths

Over 200 underground cities have been discovered in Cappadocia alone, with Derinkuyu extending 18 stories deep and capable of sheltering 20,000 people. Major recent discoveries include the Midyat underground city (2020),

Derinkuyu Cappadocia Kaymakli underground subterranean tunnels
B_5_09 Verified Beings & Entities

B_5_09 — The Underworld: Descent Myths and Subterranean Realms

The Underworld — the realm beneath or beyond the living world where the dead reside, spirits dwell, and cosmic forces operate — is among the most universal motifs in human mythology. Virtually every major civilization ha

underworld descent myth katabasis Duat Hades Xibalba
B_5_15 Verified Beings & Entities

B_5_15 — Popol Vuh: K'iche' Maya Creation Narrative and Supernatural Beings

The Popol Vuh is the principal mythological and cosmogonic text of the K'iche' Maya, preserved in a colonial-era transcription completed around 1554–1558 CE and first recorded in Latin script by Francisco Ximénez circa 1

popol vuh k'iche' maya hero twins hunahpu xbalanque xibalba
B_2_07 Beings & Entities

B_2_07 — Fairy, Fae, and 'Hidden People' Traditions

Across virtually every human culture, traditions exist of "hidden peoples" — beings who inhabit a parallel realm adjacent to but normally invisible within the human world. In Ireland, they are the Aos Sí (Tuatha Dé Danan

fairy fae faerie sidhe aos sí tuatha dé danann
B_2_06 Beings & Entities

B_2_06 — Nephilim / Giants Comprehensive

"Nephilim" appears only twice in the Hebrew Bible (Genesis 6:4, Numbers 13:33), yet the concept of giant offspring from divine-human unions pervades virtually every ancient tradition worldwide. The Hebrew term carries am

Nephilim giants Genesis 6 b'nei ha'Elohim daughters of men Rephaim
B_1_22 Verified Beings & Entities

B_1_22 — Psychopomp: Death Guide Comparative Across World Mythology

A psychopomp (Greek: ψυχοπομπός, "guide of souls," from psyche "soul" + pompos "conductor") is a being — god, angel, spirit, animal, or human specialist — whose role is to escort the souls of the dead from the world of t

psychopomp death guide Hermes Anubis Charon Valkyrie
B_1_27 Verified Beings & Entities

B_1_27 — Muse: Inspiration Deities Across Cultures

The concept of divine inspiration — the idea that creative and intellectual achievement flows not from the individual alone but from a supernatural source that acts through the creator — is one of the most persistent ide

muse inspiration creativity divine inspiration Muses Saraswati
B_3_03 Beings & Entities

B_3_03 — Mami Wata and Pan-African Water Spirit Traditions

This document examines Mami Wata and Pan-African Water Spirit Traditions, a topic within the Beings and Entities research area. Key areas of investigation include Overview of the Tradition, Etymology and Naming, Visual I

Mami Wata Mammy Water water spirit mermaid serpent snake
B_3_13 Verified Beings & Entities

B_3_13 — Sphinx Entities: Guardian Riddle-Keepers Beyond Giza

The Sphinx — a composite creature with a lion's body and a human (or divine) head — appears as a guardian being across multiple civilizations of the ancient world, functioning as a liminal protector stationed at threshol

sphinx Egyptian sphinx Greek sphinx Mesopotamian lamassu shedu guardian figure
ZD_1_12 Verified Information & Computation

ZD_1_12 — Information Geometry and Fisher Information

Information geometry is the mathematical field that applies differential geometry — the mathematics of curved spaces, manifolds, metrics, and connections — to the study of probability distributions and statistical models

information geometry Fisher information statistical manifold Riemannian geometry metric tensor natural gradient
ZD_1_02 Information & Computation

ZD_1_02 — Information Theory — Shannon, Entropy, and the Bit

Claude Shannon's 1948 paper "A Mathematical Theory of Communication" is one of the most consequential scientific publications of the 20th century. It defined information quantitatively — measured in bits — independent of

information theory Claude Shannon entropy bit channel capacity noise
ZD_1_01 Information & Computation

ZD_1_01 — Algorithms, Computation, and the Limits of Knowledge

An algorithm is a finite, unambiguous sequence of instructions for solving a problem — a concept formalized independently by Alan Turing (Turing machine, 1936) and Alonzo Church (lambda calculus) in response to David Hil

algorithms computation Turing machine Gödel incompleteness Church-Turing thesis
ZD_1_06 Information & Computation

ZD_1_06 — Boolean Algebra and Logic Gates: The Mathematics of Digital Systems

Boolean algebra, formalized by George Boole in 1854, reduces logical reasoning to algebraic manipulation of binary values (TRUE/FALSE, 1/0). This seemingly simple mathematical system became the foundation of the entire d

Boolean algebra logic gates AND OR NOT NAND
ZD_1_10 Information & Computation

ZD_1_10 — Automata Theory and Formal Languages

Automata theory studies abstract computational machines and the classes of languages they recognize, forming the mathematical backbone of computer science. The Chomsky hierarchy (1956–59) classifies formal languages into

automata theory formal languages Chomsky hierarchy finite automata pushdown automata Turing machine
ZD_1_09 Information & Computation

ZD_1_09 — Conway's Game of Life and Recreational Mathematics

Conway's Game of Life (1970), a two-dimensional cellular automaton devised by mathematician John Horton Conway (1937–2020), stands as perhaps the most famous example of how astonishingly complex behavior can arise from e

Game of Life cellular automata Conway recreational information-computation emergence self-replication
ZD_1_11 Verified Information & Computation

ZD_1_11 — Turing Machine, Computability, and the Limits of Computation

The Turing machine — a mathematical model of computation defined by Alan Turing in his 1936 paper "On Computable Numbers, with an Application to the Entscheidungsproblem" — is the foundational formalism of theoretical co

Turing machine computability decidability halting problem Church-Turing thesis algorithm