RESEARCH BASE

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

3,721 documents 34 sections 43,623 citations 34,854 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.

261 results for "Nicaraguan Sign Language" — page 10 of 14

T_5_25 Verified Psychology & Social

T_5_25 — Cognitive Evolution: The Development of Human Mental Capacities

Cognitive evolution — the study of how human mental capacities emerged and developed over evolutionary time — addresses one of the deepest questions in science: how did a lineage of African primates develop language, sym

cognitive evolution brain evolution encephalization theory of mind language evolution symbolic thought
D_2_16 Credible Sites & Artifacts

D_2_16 — Tartessos & Iberian Peninsula Civilizations

Tartessos was a semi-legendary Bronze Age and Iron Age civilization centered in the lower Guadalquivir River valley of southwestern Iberia (modern Andalusia and southern Portugal), flourishing approximately 1100–550 BCE.

Tartessos Tartessian Iberia Phoenician Carambolo treasure Atlantic Bronze Age
D_5_24 Credible Sites & Artifacts

D_5_24 — Acoustic Archaeology: Sound Design in Ancient Ritual Structures

Acoustic archaeology (archaeoacoustics) investigates the intentional use of sound in ancient structures — from the precisely tuned Oracle Chamber at Malta's Ħal Saflieni Hypogeum (~4000 BCE) to the resonant passage of Ne

acoustic archaeology archaeoacoustics resonance reverberation megalithic sound ritual
D_5_17 Credible Sites & Artifacts

D_5_17 — Torus Geometry in Ancient Architecture

The torus — a doughnut-shaped surface of revolution generated by rotating a circle around an axis coplanar with the circle — is one of the most fundamental geometries in nature, appearing in magnetic field lines, fluid d

torus toroidal geometry sacred geometry vortex ancient architecture temple design
D_3_04 Sites & Artifacts

D_3_04 — Great Wall of China — Engineering, Mythology, and Function

The Great Wall of China is not a single wall but a vast network of fortifications built, rebuilt, and extended over 2,500+ years by multiple dynasties, stretching a combined total of approximately 21,196 km according to

Great Wall of China Wanli Changcheng tamped earth hangtu brick signal towers
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_3_12 Verified Information & Computation

ZD_3_12 — Software Engineering: Processes, Architecture, and Quality

Software engineering is the systematic application of engineering principles to the design, development, testing, deployment, and maintenance of software systems — addressing the fundamental challenge that software is am

software engineering software development agile waterfall architecture testing
ZD_4_02 Information & Computation

ZD_4_02 — Game Theory, Strategic Interaction, and Cooperation

Game theory is the mathematical study of strategic interaction among rational agents, founded by John von Neumann and Oskar Morgenstern's Theory of Games and Economic Behavior (1944) and revolutionized by John Nash's equ

game theory Nash equilibrium prisoner's dilemma tit-for-tat von Neumann Morgenstern
ZD_2_07 Credible Information & Computation

ZD_2_07 — Artificial General Intelligence — Architectures and Challenges

Artificial General Intelligence (AGI) — a hypothetical AI system capable of performing any intellectual task that a human can, with the same flexibility, generality, and ability to learn and transfer knowledge across dom

AGI artificial general intelligence artificial intelligence AI superintelligence alignment
ZD_2_10 Verified Information & Computation

ZD_2_10 — Speech Recognition and Synthesis: From Acoustic Models to Neural Voice Generation

Speech recognition (Automatic Speech Recognition — ASR) and speech synthesis (Text-to-Speech — TTS) are complementary technologies that bridge human spoken language and machine processing. ASR converts spoken audio into

speech recognition ASR text-to-speech TTS voice assistant Whisper
L_2_05 Genetics & Origins

L_2_05 — Americas Peopling Genetics

The peopling of the Americas is one of the clearest cases where ancient DNA and archaeology have converged to overturn an older narrative. The core model now favored by genetics is that the main ancestry of Indigenous Am

Americas peopling Beringia Clovis pre-Clovis Native American genetics mtDNA haplogroups
L_3_06 Genetics & Origins

L_3_06 — Genetics of Intelligence and Cognition

The genetics of intelligence — one of the most studied yet contentious areas in behavioral genetics — has established that cognitive ability, as measured by standardized tests, has a substantial heritable component (~50–

intelligence genetics cognitive ability IQ heritability GWAS intelligence polygenic score educational attainment
Y_4_01 Altered States

Y_4_01 — Lucid Dreaming Research

Lucid dreaming — being consciously aware that you are dreaming WHILE dreaming, and potentially controlling dream content — was scientifically verified in 1975-1981 through a breakthrough protocol: pre-arranged EYE SIGNAL

lucid dreaming dream consciousness REM sleep sleeping brain metacognition prefrontal cortex
H_3_19 Verified Suppression & Thesis

H_3_19 — Indigenous Knowledge Destruction: Colonial Erasure & Residential Schools

The destruction of indigenous knowledge systems represents one of history's most comprehensive and deliberate episodes of cultural erasure, spanning from the Spanish burning of Maya codices in the 16th century to the res

indigenous-knowledge-destruction residential-schools colonial-erasure library-burning oral-tradition-suppression cultural-genocide
H_3_01 Suppression & Thesis

H_3_01 — Indigenous Knowledge Suppression — Colonialism and Epistemicide

Epistemicide — the systematic destruction of rival knowledge systems — is arguably the most devastating and least acknowledged consequence of global colonialism. Between 1492 and 1950, European colonial powers destroyed,

epistemicide indigenous knowledge colonialism imperialism cultural suppression residential schools
H_3_04 Suppression & Thesis

H_3_04 — Destruction of Aboriginal Australian Knowledge Systems

The destruction of Aboriginal Australian knowledge systems represents the disruption of the longest continuous cultural tradition on Earth — spanning at least 65,000 years. From the arrival of the First Fleet in 1788, co

Aboriginal Australians Stolen Generations songlines Dreaming Dreamtime language extinction
H_3_06 Suppression & Thesis

H_3_06 — Linguistic Extinction and Lost Knowledge Systems

Of the approximately 7,000 languages spoken today, linguists estimate

linguistic extinction endangered languages UNESCO Atlas
H_3_08 Verified Suppression & Thesis

H_3_08 — Ethnobotanical Knowledge Loss and Biocultural Extinction

An estimated 80% of the world's population relies at least partially on traditional plant-based medicine (WHO estimate), and approximately 25% of modern pharmaceutical drugs are derived from or inspired by compounds firs

ethnobotany traditional ecological knowledge TEK biocultural diversity indigenous medicine medicinal plants
P_1_17 Credible Philosophy & Meaning

P_1_17 — Artificial Intelligence and the Consciousness Question

The question of whether artificial systems can possess consciousness — genuine subjective experience, phenomenal awareness, or "something it is like" to be that system (Thomas Nagel, 1974) — has moved from philosophical

artificial-intelligence machine-consciousness chinese-room hard-problem large-language-models sentience
P_1_05 Philosophy & Meaning

P_1_05 — Gödel's Incompleteness and Limits of Knowledge

In 1931, Kurt Gödel proved two theorems that shattered the foundations of mathematics and permanently altered humanity's understanding of knowledge, truth, and proof. The FIRST INCOMPLETENESS THEOREM states: in any consi

Gödel incompleteness theorem undecidable unprovable consistency