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.
132 results for "Great Filter" — page 3 of 7
W_2_04 — Tibetan Buddhism, Bön, and Hidden Knowledge (Terma)
Tibet's religious traditions represent one of the world's most elaborate systems for the exploration and mapping of consciousness states — from the Six Yogas of Naropa to the Dzogchen practices of pristine awareness, fro
W_2_02 — Angkor Wat, Khmer Cosmology, and Hindu-Buddhist Temple Mountains
Angkor Wat is the largest religious monument ever built — a 162.6-hectare temple complex in northwestern Cambodia, constructed under King Suryavarman II (r. ~1113-1150 CE) as a Hindu temple dedicated to Vishnu. It repres
ZH_4_02 — Precession in Ancient Culture: Hamlet's Mill Thesis
Hamlet's Mill: An Essay on Myth and the Frame of Time (1969), by MIT historian of science Giorgio de Santillana and ethnologist Hertha von Dechend, is one of the most intellectually ambitious — and controversial — works
ZH_3_06 — Andean Dark Constellations and Milky Way Astronomy
Andean astronomical traditions, particularly as documented in Quechua-speaking communities of Peru and Bolivia and inferred from colonial-era Spanish accounts of Inca cosmology, are distinguished by a feature unique in w
ZH_3_04 — Chaco Canyon: Solar Markers and Pueblo Astronomy
Chaco Canyon (northwestern New Mexico) was the center of Ancestral Puebloan (formerly called Anasazi) civilization from approximately 850–1150 CE, featuring monumental Great Houses containing hundreds of rooms, extensive
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_1_17 — Precession Discovery Timeline
Axial precession — the 25,772-year wobble of Earth's rotational axis tracing a circle among the stars — causes the vernal equinox point to shift approximately 1° every 71.6 years against the zodiacal background. Hipparch
C_1_03 — Mother Goddess / Earth Goddess Pattern
The Mother Goddess or Earth Goddess archetype represents one of the most ancient, geographically widespread, and archaeologically attested religious patterns in human history, with material evidence stretching from Upper
C_5_26 — World Age Doctrine: Cycles of Creation and Destruction
The World Age Doctrine — the belief that cosmic time is divided into successive ages or epochs, each ending in destruction and giving way to the next — is one of the most widespread cosmological frameworks in human thoug
ZF_2_21 — Sargassum Bloom Crisis
The Great Atlantic Sargassum Belt (GASB) — an unprecedented, continent-spanning mass of floating Sargassum macroalgae stretching from West Africa to the Gulf of Mexico — has emerged since 2011 as one of the most dramatic
ZF_2_02 — Coral Reef Systems: Ecology, Bleaching, and Paleoclimatology
This document focuses on the oceanographic dimensions of coral reef systems — reef geomorphology, their role as paleoclimate archives, and hydrodynamic interactions — complementing ZB_3_02 which covers the biological and
ZF_2_10 — Sharks and Apex Marine Predators
Sharks — cartilaginous fishes of the superorder Selachimorpha (~500 living species) — are among the ocean's most ancient and ecologically critical predators, having evolved over 400 million years (predating trees and din
ZF_3_18 — Microplastic Pollution in the Ocean
Microplastics — plastic particles <5 mm in diameter — have become one of the most pervasive and persistent pollutants in the global ocean, present from surface waters to the deepest hadal trenches, from Arctic sea ice to
ZF_5_03 — Marine Protected Areas: Conservation Zones, No-Take Reserves, and Effectiveness
Marine Protected Areas (MPAs) are designated ocean regions where human activity is restricted or managed to conserve biodiversity, protect habitats, and sustain marine resources. Ranging from lightly managed multiple-use
ZF_5_19 — Coral Restoration Technology
Coral restoration technology — the active intervention to repair, regenerate, and enhance degraded coral reef ecosystems — has rapidly evolved from small-scale transplantation efforts into a multi-billion-dollar global e
Z_1_02 — Human Chromosome 2 Fusion — Evidence of Primate Ancestry
Humans possess 46 chromosomes (23 pairs), while all other great apes — chimpanzees, gorillas, and orangutans — possess 48 chromosomes (24 pairs). This discrepancy was explained in the 1980s–1990s when molecular cytogenet
K_4_03 — Limitation of Consciousness Motif
One of the most startling cross-cultural patterns in the world's mythological and philosophical traditions: ancient civilizations worldwide — separated by thousands of miles, thousands of years, and entirely independent
E_3_16 — Urban Fire and Civilizational Destruction: Rome, London, Chicago
Urban fires have been among the most recurrent and devastating agents of civilizational destruction throughout recorded history, repeatedly leveling major cities and reshaping their physical layouts, governance structure
E_2_06 — Black Death, Pandemic Cycles, and Civilizational Reset
The Black Death (1347–1353 CE) was the most devastating pandemic in recorded human history. Caused by the bacterium *Yersinia pestis and transmitted primarily through flea bites from infected rats, the plague killed an e
E_2_08 — Little Ice Age — Climate, Society, and the Modern World
The Little Ice Age (LIA) was a prolonged period of climatic cooling that affected much of the Northern Hemisphere from approximately 1300 to 1850 CE, with coldest intervals during the Maunder Minimum (1645–1715) and the
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