RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
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.
3,018 results for "li" — page 55 of 151
E_5_06 — Holocene Sixth Mass Extinction: Current Biodiversity Crisis
The Holocene "Sixth Mass Extinction" hypothesis holds that current species loss rates are 100–1,000 times the normal background extinction rate, driven primarily by human activity: habitat destruction, overexploitation,
E_5_02 — The Ordovician-Silurian Mass Extinction
The Late Ordovician mass extinction (c. 445–444 million years ago, at the Ordovician-Silurian boundary) was the second-most severe extinction event in Earth's history in terms of percentage of species lost — approximatel
ZG_2_01 — Proto-Indo-European — Reconstruction, Homeland, and Migration
Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family — the most widely spoken language family on Earth, encompassing ~3.2 billion native speakers across branches including I
ZG_2_18 — Pragmatics & Speech Act Theory: Language in Context, Meaning Beyond Words
Pragmatics — the branch of linguistics concerned with how context, speaker intention, shared knowledge, and social relationships contribute to meaning beyond the literal semantic content of words — addresses a fundamenta
ZG_2_02 — Pidgins, Creoles, and Language Contact Phenomena
Pidgins and creoles are languages born from contact between groups with no shared language — they offer a natural laboratory for studying how human linguistic capacity creates new grammatical systems under extreme condit
ZG_2_13 — Dialectology: Regional Variation, Dialect Continua, and Isoglosses
Dialectology — the systematic study of regional linguistic variation — investigates how languages differ from place to place, mapping the geographical distribution of pronunciation, vocabulary, grammar, and usage pattern
ZG_2_05 — Sacred Languages — Sanskrit, Hebrew, Arabic, Latin
Across civilizations, certain languages have been elevated above the ordinary functions of communication to the status of sacred or liturgical languages — vehicles believed to possess special power by virtue of their con
ZG_2_10 — Language Documentation and Field Methods
Language documentation is the systematic recording, annotation, preservation, and dissemination of a language's spoken (and signed) forms — encompassing its phonology, morphology, syntax, semantics, pragmatics, and the f
ZG_2_04 — Oral-Formulaic Composition — Parry-Lord Theory
The oral-formulaic theory (also called the Parry-Lord theory) is one of the most influential discoveries in 20th-century humanities: the demonstration that great oral epics like Homer's Iliad and Odyssey were not compose
ZG_2_07 — Dead Languages: Extinction, Documentation, and Revival
A dead language is one that no longer has any native speakers — no community transmits it to children as a first language through normal intergenerational communication. Of the approximately 7,000 languages spoken today,
ZG_2_08 — Etymology and Historical Word Origins
Etymology is the study of the origin, history, and changing meanings of words — tracing the life of a word from its earliest attested form (or its reconstructed proto-form) through the centuries of sound change, semantic
ZG_2_15 — Language Attrition: How First Languages Are Lost
Language attrition — the process by which a previously acquired language is gradually lost by an individual speaker due to reduced use and exposure — is one of the most fascinating and practically important phenomena in
ZG_5_02 — Narrative Structure: Story Grammar and Discourse Analysis
Narrative structure — the recurring patterns by which humans organize events into stories — is one of the most fundamental and universal features of human cognition and communication. From Aristotle's observation (c. 335
ZG_5_22 — Chemical Grammar: Information and Communication in Microbial Systems
Bacterial populations communicate. They sense their own density via secreted small-molecule autoinducers, distinguish self from non-self via species-specific signals, exchange information across kingdoms via universal AI
ZG_5_06 — Lexicography: Dictionary Making from Johnson to Digital
Lexicography — the art and science of dictionary making — is among the oldest scholarly enterprises concerned with language, stretching from ancient Mesopotamian word lists (Sumerian-Akkadian bilingual glossaries, c. 230
ZG_5_13 — Language and Law: Legal Language, Plain Language Movement, and Interpretation
Language and law — the intersection of linguistics and legal systems — encompasses the study of legal language as a distinctive register, the application of forensic linguistics (linguistic expertise in legal proceedings
ZG_5_20 — Oracle Bones: Shang Dynasty Divination, Pyromancy, and the Origins of Chinese Writing
Oracle bones (jiǎgǔ 甲骨) are pieces of ox scapula and turtle plastron used for pyromantic divination during the Shang dynasty (c. 1600–1046 BCE), primarily at the royal capital Yinxu (殷墟) near modern Anyang, Henan Provinc
ZG_5_16 — Machine Translation and Semantic Loss: What Gets Lost Between Languages
Machine translation (MT) — the use of computational systems to translate text or speech from one language to another — has undergone revolutionary transformation since the 2010s through the advent of neural machine trans
ZG_5_07 — Discourse Analysis: Conversation Structure, Coherence, and Power
Discourse analysis — the study of language in use beyond the sentence — investigates how sequences of sentences, utterances, and texts are organized, how they create coherence and meaning, and how they relate to social s
ZG_5_23 — Undeciphered Scripts: The World's Unsolved Writing Systems
Despite the successful decipherment of Egyptian hieroglyphs (Champollion, 1822), Mesopotamian cuneiform (Rawlinson et al., 1850s), Linear B (Ventris, 1952), and Maya glyphs (Knorozov et al., 1952–1980s), dozens of ancien
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