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.

152 results for "Ix Chel" — page 5 of 8

D_1_25 Verified Sites & Artifacts

D_1_25 — Ollantaytambo: Megalithic Engineering in the Sacred Valley

Ollantaytambo (Quechua: Ullantaytampu) is a monumental Inca archaeological site at 2,792 m elevation in the Sacred Valley (Urubamba Valley) of Peru, approximately 72 km northwest of Cusco. It served simultaneously as a r

Ollantaytambo Sacred Valley Inca megalithic Temple Hill Wall of the Six Monoliths
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_5_10 Credible Sites & Artifacts

D_5_10 — Crystal, Stone, and Piezoelectric Technology Claims

Piezoelectricity — the generation of electrical charge from mechanical stress in certain crystals — is well-established physics (discovered by Jacques and Pierre Curie, 1880). Quartz, the most abundant piezoelectric mine

piezoelectricity quartz crystal skull crystal healing silicon lithium
B_2_07 Credible 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_1_04 Verified Beings & Entities

B_1_04 — Ningishzida — Serpent Deity, Underworld Guardian, and Knowledge Bearer

Ningishzida (Sumerian: dNin-ĝiš-zid-da, "Lord of the Good Tree" or "Lord of the Faithful Tree") is a Mesopotamian deity associated with serpents, the underworld, vegetation, and secret knowledge. He appears in Sumerian t

Ningishzida Gizzida serpent deity underworld guardian Sumerian Mesopotamian
B_3_05 Verified Beings & Entities

B_3_05 — Thunderbird and Avian Supernatural Beings

Supernatural avian beings — enormous, powerful, and frequently storm-associated birds — form one of the most persistent and geographically widespread motifs in world mythology. From the Thunderbird of North American Plai

Thunderbird Garuda Simurgh Phoenix Bennu Fenghuang
ZD_1_08 Verified Information & Computation

ZD_1_08 — Lambda Calculus and Functional Programming

Lambda calculus, invented by Alonzo Church in the 1930s as a formal system for expressing computation via function abstraction and application, stands alongside Turing machines as a foundational model of computation. Chu

lambda calculus functional programming Church Turing computability Church-Turing thesis
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_5_02 Credible Information & Computation

ZD_5_02 — Digital Preservation and the Longevity of Knowledge

Digital preservation — the set of policies, strategies, and actions required to ensure continued access to digital information over time — addresses one of the great paradoxes of the information age: humanity is producin

digital preservation data longevity format obsolescence bit rot digital dark age archiving
ZD_4_11 Verified Information & Computation

ZD_4_11 — Social Network Analysis — Granovetter, Small Worlds, Influence

Social network analysis (SNA) — the study of social structures through the use of graph theory and network science, where individuals (or organizations, nations, etc.) are represented as nodes and their relationships (fr

social network analysis network science Granovetter weak ties small world Watts
ZD_2_09 Verified Information & Computation

ZD_2_09 — Recommender Systems: Collaborative Filtering, Content-Based, and Hybrid Approaches

Recommender systems (RecSys) are algorithms and architectures that predict user preferences and suggest relevant items — products, movies, music, news articles, social media posts, job listings, potential partners — from

recommender systems collaborative filtering content-based filtering matrix factorization Netflix Prize personalization
L_1_15 Credible Genetics & Origins

L_1_15 — Out of Africa Alternatives: Multiregional, Assimilation, and Southern Dispersal Models

The origin and dispersal of anatomically modern humans (Homo sapiens) remains one of the most actively debated topics in paleoanthropology. The dominant model — the Recent African Origin (RAO) or "Out of Africa" hypothes

out of Africa multiregional evolution recent African origin admixture southern dispersal Homo sapiens origins
L_1_02 Verified Genetics & Origins

L_1_02 — Interbreeding Events & Genetic Discontinuities

Ancient DNA has established that late human evolution was not a simple replacement story. Expanding populations of Homo sapiens interbred with Neanderthals and Denisovans, and at least one direct first-generation hybrid

interbreeding admixture introgression Neanderthal Denisovan ghost population
L_1_10 Verified Genetics & Origins

L_1_10 — Neanderthal Genome and Legacy in Modern Humans

The sequencing of the Neanderthal genome ranks among the most significant achievements in modern biology. Beginning with the draft genome of Green et al. (2010) and refined by later high-coverage genomes from the Altai,

Neanderthal genome Neanderthal admixture archaic introgression Vindija Altai Neanderthal Homo neanderthalensis
L_1_04 Verified Genetics & Origins

L_1_04 — Archaic Human Species Synthesis

The human evolutionary tree is far more complex than the older linear model suggested. Fossils, ancient DNA, and proteomics now show that Homo sapiens overlapped with several other hominin lineages, including Neanderthal

archaic humans Neanderthal Denisovan Homo floresiensis hobbit Homo luzonensis
L_1_09 Verified Genetics & Origins

L_1_09 — Ghost Populations & Missing Archaic Lineages

Ghost populations are human groups whose existence is inferred from statistical signatures in modern or ancient genomes rather than from direct fossil or archaeological evidence. The term reflects a central challenge of

ghost population archaic introgression missing lineage unsampled population West African introgression superarchaic
L_1_18 Verified Genetics & Origins

L_1_18 — Human Migration: Out of Africa, Dispersal Patterns, and the Peopling of the World

The migration of Homo sapiens out of Africa and across the globe is one of the most extensively studied processes in human evolutionary history, now reconstructed through converging evidence from genetics (mitochondrial

human migration Out of Africa dispersal ancient DNA population genetics Homo sapiens
L_1_08 Verified Genetics & Origins

L_1_08 — Denisovans — Archaic Hominin Deep Dive

Denisovans are an extinct group of archaic hominins identified primarily through ancient DNA analysis rather than traditional fossil morphology — making them history's first hominins to be discovered by genetics. In 2010

Denisovans Denisova Cave archaic hominin Homo denisova introgression admixture
L_4_06 Verified Genetics & Origins

L_4_06 — Epigenetics and Transgenerational Inheritance

Epigenetics — the study of heritable changes in gene expression that occur without alterations to the DNA sequence itself — has transformed modern biology by revealing a layer of regulatory information "above" the genome

epigenetics DNA methylation histone modification chromatin transgenerational inheritance imprinting
L_4_15 Verified Genetics & Origins

L_4_15 — Y-Chromosome and mtDNA Mismatch Patterns in Human Populations

The Y chromosome (paternally inherited, non-recombining) and mitochondrial DNA (maternally inherited) provide independent genealogical records of male and female lineage histories, respectively. When these two markers te

y-chromosome mitochondrial-dna sex-biased-migration patrilocality matrilocality haplogroup