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.
152 results for "Sun Dance" — page 4 of 8
ZH_1_14 — Roman Astronomy: Pliny, Manilius, and Imperial Star Observation
Roman civilization, despite its monumental achievements in engineering, law, and governance, made relatively few original contributions to astronomical theory — instead, Rome inherited, compiled, applied, and transmitted
ZH_1_12 — Astronomical Instruments: Astrolabe, Armillary, Quadrant
The history of astronomical instruments — devices for measuring the positions, motions, and timing of celestial bodies — is inseparable from the history of astronomy itself. From the gnomon (the simplest shadow-casting s
ZH_1_10 — Transit of Venus: Political Astronomy and Global Science
A transit of Venus — when the planet Venus crosses the disk of the Sun as seen from Earth — is among the rarest of predictable astronomical events, occurring in a pattern of pairs separated by ~8 years, with the pairs se
C_1_02 — Trickster Archetype
The trickster is among the most universal figures in world mythology — a boundary-crossing, rule-breaking, shape-shifting entity who operates between categories (divine/human, order/chaos, life/death, male/female) and wh
C_1_21 — Arctic and Inuit Mythology: Comprehensive Survey
Arctic and Inuit mythology encompasses the spiritual traditions of the Inuit, Yupik, Iñupiat, Aleut (Unangax̂), and related circumpolar peoples across a vast territory stretching from Greenland through Arctic Canada, Ala
C_4_17 — Pygmy (Mbuti/BaAka) Forest Cosmology
The forest-dwelling peoples of Central Africa — commonly grouped under the exonym "Pygmy" but comprising distinct populations including the Mbuti of the Ituri Forest (Democratic Republic of Congo), the BaAka of the Centr
C_4_09 — Pueblo, Hopi, and Ancestral Puebloan Traditions
The Pueblo peoples — including the Hopi, Zuni, Acoma, and Tewa communities — maintain among the most continuous cultural traditions in North America, with deep roots in the Ancestral Puebloan (formerly "Anasazi") civiliz
C_4_07 — Inuit and Arctic Cosmology — Sedna, Shamanic Flight, and Survival Knowledge
The Inuit, Yupik, and Aleut peoples of the Arctic — collectively known as Eskimo-Aleut or Inuit-Yupik-Unangan — developed one of humanity's most extraordinary spiritual-ecological systems in the world's harshest habitabl
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
C_3_01 — Global Flood Stories
Over 500 independent flood traditions exist worldwide, spanning Mesopotamian, Biblical, Hindu, Chinese, Greek, Aboriginal, Mesoamerican, and dozens of other cultures. The oldest written accounts — the Sumerian Eridu Gene
ZF_3_05 — Ancient Maritime Navigation and Wayfinding
Long before the compass, sextant, or chronometer, ancient maritime cultures navigated thousands of miles of open ocean using sophisticated systems of environmental observation — star paths, ocean swell patterns, wind shi
ZF_3_01 — Sea-Level History: Glacial Cycles, Meltwater Pulses, and Coastal Archaeology
Sea level has varied by over 120 meters between glacial and interglacial periods, repeatedly reshaping coastlines, exposing and flooding continental shelves, and creating or destroying land bridges that directed human mi
ZF_5_20 — Wallace Line: Biogeographic Boundary and Deep-Time Distribution Patterns
The Wallace Line is a biogeographic boundary running through the Malay Archipelago, separating the fauna of Asia (Sunda Shelf) from that of Australasia (Sahul Shelf). First identified by Alfred Russel Wallace during his
ZF_1_13 — Continental Shelves: Submerged Geography and Ice Age Coastlines
Continental shelves — the shallow, gently sloping underwater extensions of continental landmasses — represent some of the most biologically productive, economically valuable, and archaeologically significant terrain on E
K_3_02 — Embodied Cognition
Embodied cognition is a broad research program challenging the classical cognitive science view that the mind is essentially a computer processing abstract symbols in the brain. Instead, embodied cognition holds that thi
E_3_03 — Ice Age Civilizations — Evidence for Complexity During the Last Glacial Maximum
The Last Glacial Maximum (LGM, ~26,500-19,000 BP) — when ice sheets covered ~32% of the global land surface and sea levels dropped ~120 meters below present — was not a period of human stagnation but of remarkable cultur
E_3_22 — Historic Mega-Earthquakes: Cascadia, New Madrid, and the Seismic Record
The seismic record of North America reveals two mega-earthquake systems that challenge the common assumption that destructive earthquakes are confined to well-known plate boundaries like the San Andreas Fault: the Cascad
E_3_02 — Catastrophic Flood Geomorphology
Earth's surface preserves dramatic evidence of catastrophic floods on a scale unimaginable today. The Channeled Scablands of Washington State were carved by the Missoula Floods (~13,000–15,000 BP): glacial Lake Missoula
E_2_03 — Santorini/Thera Eruption and Minoan Collapse
Around 1600 BCE (revised range: 1628–1600 BCE), the volcanic island of Thera (modern Santorini) in the southern Aegean Sea experienced one of the largest volcanic eruptions in recorded human history — a VEI-7 event that
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
BROWSE BY SECTION — 3,721 documents across 34 fields