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.
446 results for "NK model" — page 7 of 23
W_4_07 — Amazonian Traditions, Plant Teachers, and the Ayahuasca Complex
The Amazon Basin — the world's largest tropical rainforest — is home to approximately 400 indigenous groups with an extraordinary tradition of plant-based knowledge unmatched anywhere on Earth. At the center of this trad
W_4_04 — Mississippian Culture — Cahokia, Mound Builders, and the Southeastern Ceremonial Complex
Cahokia, located near present-day East St. Louis, Illinois, was the largest pre-Columbian settlement north of Mexico, reaching a peak population of 20,000 or more around 1050-1200 CE. The site features Monks Mound — the
W_4_19 — Mississippian Culture and Cahokia
The Mississippian culture (~800–1600 CE) was the most complex and widespread pre-Columbian society in eastern North America, characterized by large-scale earthen mound construction, intensive maize agriculture, hierarchi
W_4_08 — Native American Great Plains and Vision Quest Traditions
The Great Plains of North America — stretching from the Canadian prairies to Texas, from the Rocky Mountain foothills to the Mississippi — sustained some of the most mobile, ceremonially rich, and militarily sophisticate
W_1_25 — Dilmun: Sacred Land of the Persian Gulf
Dilmun (Sumerian: NI.TUK.KI; also spelled Telmun) was an ancient civilization and trading polity centered on present-day Bahrain, with extensions to Failaka Island (Kuwait), the eastern Arabian coastal region, and possib
W_3_20 — Mali Empire and Timbuktu: West African Scholarly and Trade Power
The Mali Empire (Manden Kurufaba, ~1235–1600 CE) — one of the largest and wealthiest states in pre-modern world history — dominated the West African Sahel and savanna, controlling trans-Saharan trade routes and the gold-
W_3_21 — The Songhai Empire: West Africa's Largest Pre-Colonial State
The Songhai Empire (c. 1464–1591 CE) was the largest state in African history, controlling approximately 1.4 million km² of West Africa at its peak under Askia Muhammad I (r. 1493–1528). Rising from the declining Mali Em
W_2_05 — Jain Cosmology and Non-Violence Philosophy
Jainism is one of the world's oldest living religions, with roots extending to at least the 9th century BCE and traditional claims reaching far deeper into prehistory. Its cosmological system describes a vast, uncreated,
W_2_06 — Sikh Tradition — Guru Nanak, Adi Granth, and Universal Brotherhood
Sikhism, founded by Guru Nanak (1469–1539 CE) in the Punjab region, is the youngest of the world's major religions and among the most radical in its rejection of caste hierarchy, gender inequality, and empty ritual. Its
W_5_14 — Mapuche Civilization: Resistance, Cosmovision, and Araucanian Culture
The Mapuche ("People of the Land") — also historically known by the Spanish term Araucanians — are an indigenous people of south-central Chile and southwestern Argentina who achieved something nearly unique in the histor
W_5_07 — Sami Shamanism and Circumpolar Traditions
The circumpolar world — the vast band of Arctic and subarctic territory stretching from Scandinavia across Siberia to Alaska, Canada, and Greenland — is home to indigenous peoples whose spiritual traditions represent som
W_5_20 — Renaissance Italian City-States: Commerce, Culture, and Innovation
The Italian Renaissance city-states (c. 1300–1600) — principally Florence, Venice, Milan, Genoa, and the Papal States, along with dozens of smaller polities — constituted one of history's most productive experiments in p
W_5_13 — Mississippian Decline: Cahokia Collapse and Abandonment Theories
Cahokia — the largest pre-Columbian city north of Mexico, located in the American Bottom floodplain of the Mississippi River near modern-day St. Louis, Missouri/East St. Louis, Illinois — rose rapidly around 1050 CE to b
W_5_06 — Siberian Shamanism and the Origin of the Word 'Shaman'
Siberian shamanism is the mother tradition from which the very word "shaman" enters Western scholarship — derived from the Tungusic (Evenki) term šaman. This vast, diverse tradition spans the taiga and tundra from the Ur
ZH_3_05 — Nazca Lines: Astronomical and Ecological Hypotheses
The Nazca Lines are a vast complex of geoglyphs — ground drawings created by removing the dark, iron-oxide-coated desert pavement to reveal the lighter ground beneath — spread across the arid Pampa de Nazca and surroundi
ZH_3_10 — North American Mound Builders and Celestial Alignments
The mound-building cultures of eastern North America — spanning from Poverty Point (~1700 BCE) through the Adena (~800–100 BCE), Hopewell (~100 BCE–500 CE), Fort Ancient (~1000–1650 CE), and Mississippian (~800–1500 CE)
ZH_5_03 — Modern Archaeoastronomy: GIS, LiDAR, and Digital Methods
Modern archaeoastronomy has been transformed by the adoption of Geographic Information Systems (GIS), Light Detection and Ranging (LiDAR), digital elevation models (DEM), planetarium software (Stellarium, TheSkyX), photo
ZH_5_08 — Solstice and Equinox Traditions: Seasonal Markers Across Cultures
The solstices (longest and shortest days) and equinoxes (equal day and night) are the four cardinal points of the solar year — astronomically defined by the Sun reaching its maximum/minimum declination (solstices) or cro
ZH_5_04 — Precession of the Equinoxes: Hipparchus, Axial Wobble, and the Great Year
The precession of the equinoxes — the slow, continuous westward shift of the equinoctial points (where the ecliptic crosses the celestial equator) along the ecliptic — is one of the most consequential astronomical phenom
ZH_2_03 — Islamic Golden Age Astronomy: Observatories and Star Catalogs
Islamic astronomy (c. 750–1500 CE) represents one of the most productive and sophisticated periods in the history of astronomical science — a sustained tradition of observation, mathematical innovation, and critical enga
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