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.

3,702 results for "g minus 2" — page 81 of 186

ZG_4_19 Credible Linguistics & Communication

ZG_4_19 — Language Extinction Crisis

The world is experiencing an unprecedented crisis of linguistic diversity — of the approximately 7,168 living languages cataloged by Ethnologue (25th edition, 2022), an estimated 43% (3,045 languages) are classified as e

language death language extinction endangered languages language revitalization linguistic diversity UNESCO Atlas
ZG_4_08 Verified Linguistics & Communication

ZG_4_08 — Language Acquisition: How Children Learn Language

The process by which children acquire their first language — apparently effortlessly, without formal instruction, and to a level of grammatical sophistication no adult second-language learner typically achieves — is one

language acquisition first language child language babbling one-word stage two-word stage
ZG_4_05 Verified Linguistics & Communication

ZG_4_05 — Translation Theory and the Limits of Meaning

Translation — the rendering of meaning from one language into another — is one of humanity's oldest and most consequential intellectual practices, shaping the flow of knowledge, literature, religion, and ideas across civ

translation translation theory equivalence domestication foreignization untranslatability
ZG_4_17 Credible Linguistics & Communication

ZG_4_17 — Linguistic Relativity Update: Language, Thought, and the Sapir-Whorf Renaissance

Linguistic relativity — the hypothesis that the language one speaks influences one's perception, categorization, and cognition — has undergone a dramatic scientific renaissance since the late 1990s, moving from a discred

linguistic relativity Sapir-Whorf hypothesis language and thought Boroditsky color perception spatial cognition
ZG_4_18 Credible Linguistics & Communication

ZG_4_18 — Whistled Languages: Long-Distance Communication Through Tonal Transposition

Whistled languages — systems in which speakers transpose the phonological content of a spoken language into whistled melodies, preserving sufficient linguistic structure to carry complex messages over distances of 2–8 km

whistled-language silbo-gomero whistled-speech tonal-transposition long-distance-communication linguistic-adaptation
ZG_4_16 Verified Linguistics & Communication

ZG_4_16 — Language Death and Endangerment: Mechanisms, Metrics, and Revitalization

Of the world's approximately 7,000 living languages, linguists estimate that 50–90% will cease to be spoken by the end of the 21st century — a rate of extinction that dwarfs biological species loss. A language "dies" whe

language death language endangerment language shift intergenerational transmission language revitalization endangered languages
ZG_4_03 Verified Linguistics & Communication

ZG_4_03 — Alternative Communication — Braille, Morse, Semaphore

Beyond spoken and written language, humans have developed a rich array of alternative communication systems that encode linguistic information into non-standard channels — tactile (Braille), auditory-binary (Morse code),

Braille Louis Braille Morse code Samuel Morse semaphore flag signaling
ZG_4_11 Verified Linguistics & Communication

ZG_4_11 — Forensic Linguistics: Language as Legal Evidence

Forensic linguistics is the application of linguistic knowledge, methods, and analysis to legal contexts — including criminal investigations, courtroom proceedings, legislation, and regulatory disputes. The field encompa

forensic linguistics authorship attribution stylometry idiolect LADO language analysis for determination of origin
ZG_4_14 Verified Linguistics & Communication

ZG_4_14 — Language Policy and Planning: Status, Corpus, and Acquisition Planning

Language policy and planning (LPP) refers to the deliberate efforts by governments, institutions, and communities to influence the status, form, and use of languages and language varieties within a society. Einar Haugen

language policy language planning status planning corpus planning acquisition planning Haugen
ZG_3_05 Verified Linguistics & Communication

ZG_3_05 — Language and Thought: Cognitive Semantics

The relationship between language and thought — whether the language we speak shapes, constrains, or determines how we perceive, categorize, and reason about the world — is one of the oldest and most debated questions in

linguistic relativity Sapir-Whorf hypothesis cognitive semantics Lakoff conceptual metaphor image schema
ZG_3_14 Verified Linguistics & Communication

ZG_3_14 — Register, Style, and Genre: Variation Across Social Contexts

Every competent language user commands a range of styles or registers — varieties of language associated with particular situations, purposes, and audiences. A doctor does not speak to patients the same way she speaks to

register style genre formality Halliday field
ZG_3_10 Verified Linguistics & Communication

ZG_3_10 — Semantics: Meaning, Reference, and Compositional Analysis

Semantics — the branch of linguistics concerned with meaning — investigates how words, phrases, and sentences encode and convey meaning, how meanings combine compositionally, and how linguistic meaning relates to the wor

semantics meaning reference sense denotation connotation
ZG_3_19 Credible Linguistics & Communication

ZG_3_19 — Sapir-Whorf Hypothesis: Modern Evidence

The Sapir-Whorf hypothesis — the idea that the structure of a language influences its speakers' perception and cognition — has undergone a dramatic rehabilitation since the 1990s after decades of near-total rejection in

Sapir-Whorf hypothesis linguistic relativity linguistic determinism Benjamin Lee Whorf Edward Sapir Lera Boroditsky
ZG_3_03 Verified Linguistics & Communication

ZG_3_03 — Phonetics and the International Phonetic Alphabet

Phonetics is the scientific study of speech sounds — how they are produced by the human vocal tract (articulatory phonetics), how they propagate as acoustic signals (acoustic phonetics), and how they are perceived by the

phonetics phonology IPA International Phonetic Alphabet articulatory phonetics acoustic phonetics
ZG_3_09 Verified Linguistics & Communication

ZG_3_09 — Syntax: Generative Grammar, Minimalism, and Sentence Structure

Syntax — the branch of linguistics that studies the structure of sentences — investigates the rules and principles governing how words combine into phrases, clauses, and sentences. Every language has a syntax: a system o

syntax generative grammar Chomsky Minimalist Program phrase structure X-bar theory
ZG_3_06 Verified Linguistics & Communication

ZG_3_06 — Typology and Language Universals

Linguistic typology is the systematic study of structural similarities and differences across the world's languages — asking what properties are universal (shared by all or nearly all languages), what properties are vari

linguistic typology language universals Greenberg word order SOV SVO
ZG_3_15 Verified Linguistics & Communication

ZG_3_15 — Philosophy of Linguistics: Chomsky Debate, Innateness, and Language as Instinct

The philosophy of linguistics investigates the foundational questions that underlie the scientific study of language: What is language? Is it fundamentally a biological organ, a social convention, a cognitive skill, or a

philosophy of linguistics Chomsky Universal Grammar UG nativism innateness
ZG_3_16 Credible Linguistics & Communication

ZG_3_16 — Sign Language Typology: Structure, Diversity, and the Linguistics of Gesture

Sign languages — natural human languages that use the visual-gestural modality rather than the vocal-auditory channel — are among the most powerful demonstrations that human linguistic capacity is not bound to speech. Th

sign language ASL BSL Stokoe phonology iconicity
ZG_3_11 Verified Linguistics & Communication

ZG_3_11 — Phonology: Sound Systems, Distinctive Features, and Phonological Rules

Phonology — the branch of linguistics concerned with the systematic organization of speech sounds in natural languages — studies not the physical sounds themselves (that is phonetics) but the abstract cognitive system by

phonology phoneme allophone minimal pair distinctive features Jakobson
ZG_3_08 Verified Linguistics & Communication

ZG_3_08 — Morphology: Word Structure, Inflection, and Derivation

Morphology — the branch of linguistics concerned with the internal structure of words — investigates how morphemes (the smallest meaningful units of language) combine to form words. A morpheme may be a free morpheme (can

morphology morpheme affix prefix suffix infix