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.

748 results for "cross-cultural NDE" — page 1 of 38

Verified

INTERDOC_64 — Cross-Cultural Constellations: Independent Invention vs. Diffusion as a Knowledge-Transmission Probe

The 88 modern IAU constellations are a cultural product — 48 from Ptolemy (~150 CE, derived from Mesopotamian/Babylonian sources), 12 from Keyser and de Houtman (~1596, Dutch East Indies), and 28 filled in by 17th–18th c

constellation systems cross-cultural astronomy precession Polynesian navigation cultural diffusion independent invention
D_3_02 Verified 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
C_1_01 Credible Global Traditions

C_1_01 — Cross-Cultural Patterns & Synthesis

This synthesis document maps the universal serpent/reptilian being across 13 major civilizations, finding that all 13 originally depicted serpent figures positively — as teachers, civilizers, and wisdom-keepers. The nega

cross-cultural patterns serpent knowledge-giver teacher flood
Y_2_05 Credible Altered States

Y_2_05 — Near-Death Experiences: Cross-Cultural Analysis

Near-death experiences (NDEs) — profound subjective experiences occurring during clinical death, cardiac arrest, or perceived proximity to death — have been reported across virtually all cultures and historical periods.

near-death experience NDE cross-cultural NDE tunnel experience life review being of light out-of-body experience
ZH_5_05 Verified Archaeoastronomy

ZH_5_05 — Cross-Cultural Constellation Patterns: Connecting Star Groupings Worldwide

Every documented human culture groups stars into constellations or asterisms — named patterns that organize the sky into a readable, memorizable, and culturally meaningful map. Yet surprisingly few star groupings are uni

constellations cross-cultural asterism star patterns IAU Greek
B_2_03 Credible Beings & Entities

B_2_03 — Underground Creatures and Myths

Virtually every ancient civilization across the globe has myths and legends about beings living underground. These stories span continents, cultures, and millennia — often with striking similarities despite no known cont

underground subterranean Nagas Patala Agartha Hopi
C_1_04 Verified Global Traditions

C_1_04 — Orpheus and the Descent to the Underworld Archetype

This document examines Orpheus and the Descent to the Underworld Archetype, a topic within the Global Traditions research area. Key areas of investigation include Definition and Etymology, The Common Structure, Joseph Ca

katabasis descent to underworld Orpheus Eurydice Inanna Ereshkigal
C_5_25 Verified Global Traditions

C_5_25 — Underworld Journey / Katabasis: Descent to the Land of the Dead

The katabasis (Greek: κατάβασις, "going down") — the hero's or god's descent to the underworld and return — is one of the oldest and most universal narrative structures in world mythology. The Descent of Inanna (Sumerian

katabasis underworld descent Inanna Orpheus Odysseus
C_5_06 Verified Global Traditions

C_5_06 — Mesopotamian Underworld — Ereshkigal and Kur

The Mesopotamian underworld — known as Kur, Irkalla, or the "Land of No Return" — represents one of humanity's earliest detailed conceptions of an afterlife realm. Unlike the moralized afterlives of later traditions (Egy

Ereshkigal Kur Irkalla Mesopotamian underworld Inanna descent Ishtar descent
B_2_14 Verified Beings & Entities

B_2_14 — Undead and Revenant Traditions Beyond Vampires

The revenant — a corpse that returns from death to interact with the living — is one of the most ancient and widespread categories in world folklore, distinct from (though overlapping with) the vampire tradition treated

undead revenant draugr jiangshi zombie voodoo
M_1_09 Verified Forbidden Archaeology

M_1_09 — Voynich Manuscript — Undeciphered Text Analysis

The Voynich Manuscript (Beinecke Rare Book and Manuscript Library, Yale University, catalog number MS 408) is a hand-written, lavishly illustrated codex of approximately 240 vellum pages (c. 234 surviving, some missing)

Voynich Manuscript Beinecke Library MS 408 undeciphered unknown script mysterious text
M_1_17 Credible Forbidden Archaeology

M_1_17 — Underwater City Discoveries (Dwarka, Yonaguni, Pavlopetri)

The discovery and investigation of submerged archaeological sites — cities, harbors, temples, and infrastructure now lying beneath coastal waters due to post-glacial sea level rise, tectonic subsidence, or local geologic

underwater archaeology submerged cities Dwarka Yonaguni Monument Pavlopetri sea level rise
A_1_20 Verified Foundations

A_1_20 — Elamite and Proto-Elamite Script: Iran's Undeciphered Writing Systems

The Elamite civilization of southwestern Iran — centered on the cities of Susa and Anshan — was one of the earliest complex societies of the ancient Near East, rivaling Sumer and Akkad yet remaining far less understood d

Elamite Proto-Elamite Susa undeciphered script Elam Achaemenid Elamite
Credible

INTERDOC_71 — The NDE Paradox: Consciousness Without Neural Activity & Substrate Independence

The near-death experience (NDE) paradox is the question of whether subjective phenomenology reported during cardiac arrest reflects (a) post-hoc reconstruction during recovery, (b) hidden residual neural activity not cap

near-death experience NDE AWARE study AWARE-II substrate independence bioelectricity
Credible

INTERDOC_68 — Entity Categories as Attractors in Consciousness State-Space

A recurring mystery across the corpus: why do DMT users, shamanic practitioners, near-death experiencers, medieval monks, ancient temple visitors, and modern abduction reporters describe the same limited set of entity ty

entity encounters consciousness state-space attractors DMT entities NDE beings shamanic entities
W_4_18 Verified World Civilizations

W_4_18 — Tiwanaku and Wari: Pre-Inca Andean Empires

Tiwanaku (Tiahuanaco) and Wari (Huari) were the two dominant polities of the Andean Middle Horizon (c. 500–1000 CE), together representing the first large-scale expansionary states in South American history and the most

Tiwanaku Wari Huari Middle Horizon Andean pre-Inca
W_1_30 Verified World Civilizations

W_1_30 — Alexander the Great: Conquest, Hellenization, and Cultural Fusion

Alexander III of Macedon (356–323 BCE), known as Alexander the Great, created the largest empire the ancient world had seen in just 13 years of campaigning — conquering from Greece to Egypt to the Indus Valley, covering

alexander the great macedon hellenistic conquest persia darius
ZH_3_06 Verified Archaeoastronomy

ZH_3_06 — Andean Dark Constellations and Milky Way Astronomy

Andean astronomical traditions, particularly as documented in Quechua-speaking communities of Peru and Bolivia and inferred from colonial-era Spanish accounts of Inca cosmology, are distinguished by a feature unique in w

dark constellation dark cloud constellation Andean astronomy Inca astronomy Milky Way Mayu
ZH_1_21 Credible Archaeoastronomy

ZH_1_21 — Dendera Zodiac

The Dendera Zodiac — a circular bas-relief approximately 2.5 meters in diameter carved on the ceiling of a chapel in the Temple of Hathor at Dendera, Egypt — is the most complete surviving depiction of the ancient sky fr

Dendera zodiac Egyptian astronomy Hathor temple bas-relief ecliptic
C_1_09 Verified Global Traditions

C_1_09 — Storm God Pattern — Thunder, Dragon-Slaying, and Indo-European Myth

The storm god who defeats a chaos serpent/dragon (the Chaoskampf — "chaos-battle") is arguably the most widely distributed mythological motif across Indo-European cultures and beyond. Zeus defeats Typhon, Thor battles Jö

storm god thunder god chaoskampf dragon-slaying Indo-European Zeus