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.

2,842 results for "Royal Game of Ur" — page 19 of 143

D_5_07 Verified Sites & Artifacts

D_5_07 — Handbag / Knowledge Container Motif

One of the most puzzling cross-cultural motifs in ancient art: a "handbag" or bucket-shaped object appears in the hands of divine and semi-divine beings across civilizations separated by thousands of miles and thousands

handbag motif banduddû bucket purse knowledge container ME container
D_5_29 Credible Sites & Artifacts

D_5_29 — The Djed Pillar: Stability, Resurrection, and the Backbone of Osiris

The Djed pillar is one of ancient Egypt's most pervasive and enigmatic symbols — an object resembling a column with four horizontal bars near its top, associated with stability (djed = "enduring/stable"), the god Osiris,

djed pillar osiris egyptian symbolism backbone of osiris raising the djed stability
D_5_01 Verified Sites & Artifacts

D_5_01 — Art, Paintings & Alleged UFO/Alien Imagery

Ancient and medieval art worldwide contains imagery that some interpret as depicting aerial craft or non-human beings — from Tassili n'Ajjer's "round-headed beings" (~8000 BCE) to medieval paintings with disc-shaped obje

paintings UFO alien Madonna Baptism of Christ Ubaid figurines
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
B_4_17 Speculative Beings & Entities

B_4_17 — Psychic Vampires and Energy Parasites: Cross-Cultural Concepts of Vital Force Draining

The concept of psychic vampirism — entities or persons who drain vital energy, life force, or emotional well-being from others — appears across cultures and historical periods, bridging folklore, occultism, psychology, a

psychic vampire energy vampire psychic parasitism vital force prana draining qi depletion
B_4_03 Verified Beings & Entities

B_4_03 — Psychopomp Traditions — Guides of the Dead Across Cultures

A psychopomp (from Greek psychopompos — "guide of souls") is a being, deity, spirit, or figure whose primary function is to escort the dead from the world of the living to the afterlife. This is one of the most universal

psychopomp guide of souls Hermes Anubis Valkyrie Charon
B_2_24 Credible Beings & Entities

B_2_24 — Wild Man: Feral Human Mythology and Bigfoot Traditions

The Wild Man — a large, hairy, human-like being living in the wilderness beyond civilization's edge — appears in mythologies, folklore, and claimed-sighting reports across every inhabited continent. The earliest fully de

wild man Enkidu Sasquatch Bigfoot yeti yeren
B_2_17 Verified Beings & Entities

B_2_17 — Ancestral Heroes and Demigods: Heracles, Maui, Cú Chulainn

Ancestral heroes and demigods — beings of mixed divine and human parentage, or mortal heroes who achieve quasi-divine status through extraordinary deeds — represent a theological category that mediates between the fully

demigod culture hero Heracles Hercules Maui Cú Chulainn
B_2_12 Verified Beings & Entities

B_2_12 — Doppelgängers, Spirit Doubles, and the Ka

The experience of encountering one's own double — or a spectral duplicate of another person — is one of the most unsettling and widely reported phenomena in human experience. Ancient Egyptian religion formalized the conc

doppelgänger spirit double Ka Egyptian soul Norse fylgja Finnish etiäinen
B_1_07 Verified Beings & Entities

B_1_07 — Prometheus, Divine Rebellion, and Fire-Bringer Myths

The fire-bringer — a divine or semi-divine figure who steals fire, forbidden knowledge, or civilizational technology from the gods and gives it to humanity, suffering terrible punishment as a result — is one of the most

Prometheus fire-bringer divine rebellion theft of fire punishment Pandora
B_1_20 Credible Beings & Entities

B_1_20 — Trickster Deities: Cross-Cultural Comparison

The trickster is among the most widespread deity archetypes in world mythology, appearing independently across every inhabited continent. Characterized by cunning, boundary-crossing, shapeshifting, and the subversion of

trickster-deity loki anansi coyote hermes sun-wukong
ZD_3_04 Verified Information & Computation

ZD_3_04 — Operating Systems and Concurrency

Operating systems (OS) — the software layer managing hardware resources and providing abstractions for applications — are among the most complex software artifacts ever built. They manage process scheduling (deciding whi

operating system process management concurrency thread mutex semaphore
ZD_2_01 Verified Information & Computation

ZD_2_01 — Machine Learning Mathematics

Machine learning — the science of algorithms that improve through experience — rests on a rich mathematical foundation spanning optimization, statistics, linear algebra, probability, and functional analysis. The core mat

machine learning gradient descent backpropagation neural network statistical learning theory VC dimension
L_5_10 Verified Genetics & Origins

L_5_10 — Neandertal Introgression: Which Genes and Why They Persisted

When modern humans (Homo sapiens) migrated out of Africa ~60,000-70,000 years ago and encountered Neanderthals (Homo neanderthalensis) in western Asia and Europe, the two species interbred — and the genetic legacy of tha

Neandertal introgression admixture adaptive introgression purifying selection immune genes
Y_4_02 Verified Altered States

Y_4_02 — Savant Syndrome and Acquired Genius

Savant syndrome — extraordinary ability coexisting with significant cognitive disability — affects roughly 1 in 10 people with autism and ~1 in 2,000 people with other developmental disabilities or brain injuries. What m

savant syndrome acquired savant traumatic brain injury autistic savant Kim Peek Daniel Tammet
Y_4_14 Verified Altered States

Y_4_14 — Virtual Reality, Immersive Technology, and Altered Perception

Virtual reality (VR) and immersive technologies create genuine altered states of perception — not merely visual illusions but deep modifications of body ownership, spatial awareness, self-identity, and emotional processi

virtual reality VR augmented reality AR embodiment rubber hand illusion
Y_5_19 Verified Altered States

Y_5_19 — Congenital Insensitivity to Pain: SCN9A, Nociception, and the Neuroscience of Painlessness

Congenital insensitivity to pain (CIP) encompasses a group of rare inherited conditions in which individuals are born with absent or severely diminished pain perception while retaining other sensory modalities (touch, pr

congenital insensitivity to pain CIP CIPA SCN9A Nav1.7 nociception
Y_2_03 Credible Altered States

Y_2_03 — Reincarnation Research — Stevenson, Tucker, Past-Life Memories

Reincarnation research — the systematic, empirical investigation of claims that individuals (typically young children) possess verified memories of previous lives — represents one of the most methodologically rigorous pr

reincarnation past-life memories Ian Stevenson Jim Tucker birthmarks xenoglossy
Y_2_07 Verified Altered States

Y_2_07 — Temporal Lobe Epilepsy and Religious Experience

Temporal lobe epilepsy (TLE) — seizures originating in the temporal lobes, which contain structures critical for memory (hippocampus), emotion (amygdala), and sensory-experiential processing — produces some of the most d

temporal lobe epilepsy TLE Geschwind syndrome ecstatic seizure Dostoevsky religious experience
Y_2_08 Verified Altered States

Y_2_08 — Anesthesia, Consciousness, and Awareness

General anesthesia — the pharmacological induction of unconsciousness, amnesia, analgesia, and immobility — is one of the most profound alterations of consciousness that humans routinely produce, yet how anesthetics actu

anesthesia general anesthesia consciousness awareness under anesthesia anesthetic awareness ether