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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.

2,821 results for "science and technology studies" — page 85 of 142

ZH_5_04 Verified Archaeoastronomy

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

precession equinoxes Hipparchus axial wobble Platonic year Great Year
ZH_5_10 Verified Archaeoastronomy

ZH_5_10 — Naked-Eye Observational Limits: Precision, Techniques, and Ancient Achievement

For all but the last ~400 years of human history, every astronomical observation was made with the unaided eye. Understanding the limits and capabilities of naked-eye observation is therefore essential for evaluating anc

naked-eye observation visual acuity atmospheric refraction limiting magnitude angular resolution Tycho Brahe
ZH_5_20 Verified Archaeoastronomy

ZH_5_20 — Maya Calendar Systems: Cycles of Time and Cosmic Order

The Maya calendar system represents one of the most sophisticated timekeeping frameworks developed by any civilization, integrating multiple interlocking cycles to track sacred, civil, agricultural, and cosmic time over

Maya calendar Long Count Tzolkin Haab Calendar Round Maya astronomy
ZH_2_14 Credible Archaeoastronomy

ZH_2_14 — Iatromathematics: Zodiac Man, Medical Astrology, and Celestial Healing

Iatromathematics (Greek: iatros = healer + mathēmatikos = astrologer/mathematician) was the systematic integration of astrology with medical diagnosis and treatment — a dominant medical paradigm in the Western world from

iatromathematics Zodiac Man melothesia medical astrology humoral theory decumbiture
ZH_2_17 Credible Archaeoastronomy

ZH_2_17 — Islamic Golden Age Astronomy: Observation, Innovation, and the Preservation of Knowledge

Islamic astronomy — the astronomical tradition developed in the Islamic world from the 8th through the 15th centuries CE — represents one of the most productive and consequential scientific enterprises in human history,

Islamic astronomy Golden Age al-Battani al-Tusi Maragha observatory
ZH_2_09 Verified Archaeoastronomy

ZH_2_09 — Celestial Cartography: Star Maps and Globes Through History

Celestial cartography — the art and science of mapping the sky — is one of humanity's oldest intellectual undertakings, spanning from Mesopotamian star lists (~1200 BCE), through Hipparchus's star catalog (~129 BCE), the

star map celestial globe star catalog uranography planisphere Hipparchus
ZH_2_08 Verified Archaeoastronomy

ZH_2_08 — Astronomical Dating of Ancient Texts and Events

Astronomical dating — the use of recorded or described celestial events (eclipses, planetary conjunctions, solstice positions, heliacal risings, and precessional indicators) to fix the absolute dates of ancient texts and

astronomical dating eclipse dating archaeoastronomy chronology ancient texts Thucydides
ZH_2_12 Verified Archaeoastronomy

ZH_2_12 — Agricultural Astronomy: Star-Based Planting and Harvest Calendars

Before modern calendars, weather services, and agricultural extension offices, farming communities worldwide used stellar observations to time their agricultural activities — planting, irrigation, harvesting, and animal

agricultural astronomy heliacal rising Pleiades Sirius planting calendar harvest
ZH_1_12 Verified Archaeoastronomy

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

astrolabe armillary sphere quadrant sextant gnomon sundial
C_1_11 Verified Global Traditions

C_1_11 — Breath, Wind, and Spirit — Pneuma, Prana, Ruach, Qi

Across virtually every human language and culture, the words for breath, wind, and spirit are the same word — or derive from the same root. This is not coincidence but reflects a profound universal insight: breath is the

pneuma prana ruach qi chi ki
C_1_04 Verified Global Traditions

C_1_04 — Orpheus and the Descent to the Underworld Archetype

This document examines Orpheus and the Descent to the Underworld Archetype, a topic within the Global Traditions research area. Key areas of investigation include Definition and Etymology, The Common Structure, Joseph Ca

katabasis descent to underworld Orpheus Eurydice Inanna Ereshkigal
C_1_16 Verified Global Traditions

C_1_16 — Structuralism and Myth: Lévi-Strauss, Binary Opposition, and Mythemes

Claude Lévi-Strauss (1908–2009) revolutionized the study of mythology by applying structural linguistics — particularly Ferdinand de Saussure's and Roman Jakobson's models — to the analysis of myth. His central insight w

Lévi-Strauss structuralism mythemes binary opposition Mythologiques Propp
C_1_08 Verified Global Traditions

C_1_08 — Twin Mythology — Duality, Doubling, and the Divine Pair

Twin mythology represents one of the most widely distributed narrative patterns in world religion — divine or semi-divine twins appear across every major cultural tradition: the Vedic Ashvins, Greek Dioscuri (Castor and

twins divine twins Ashvins Dioscuri Castor Pollux
C_1_21 Credible Global Traditions

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

Inuit Arctic Sedna Sila Angakuq shamanism
C_1_12 Verified Global Traditions

C_1_12 — Fire Symbolism, Sacred Flame, and the Theft of Fire

Fire is arguably the most transformative technology in human history — and the most universally sacralized natural phenomenon. The control of fire (~1.5 million years ago, Homo erectus) enabled cooking (which transformed

fire sacred flame Prometheus Agni Zoroastrian fire Atar
C_1_13 Verified Global Traditions

C_1_13 — Sacred Mountains and the Cosmic Mountain

The sacred mountain is one of humanity's most enduring religious symbols — a vertical axis connecting earth and heaven that appears in virtually every major civilization. From Mount Meru at the center of Hindu-Buddhist-J

sacred mountain cosmic mountain axis mundi Mount Meru Mount Olympus Mount Sinai
C_1_07 Verified Global Traditions

C_1_07 — Hero's Journey and the Monomyth

Joseph Campbell's "Hero's Journey" (1949) proposes that the world's mythological narratives share a single underlying structure — the monomyth — in which a hero departs from the ordinary world, undergoes initiatory trial

hero's journey monomyth Joseph Campbell departure initiation return
C_1_06 Verified Global Traditions

C_1_06 — Sacred Trees, World Tree, and Axis Mundi

The sacred tree or world tree is arguably the single most universal symbol in human religious history — appearing independently in virtually every culture on every inhabited continent. As the axis mundi ("world axis"), t

axis mundi world tree Yggdrasil Bodhi tree Ashvattha Tree of Life
C_4_16 Verified Global Traditions

C_4_16 — Zulu and Southern African Cosmologies

Zulu and broader Southern African cosmologies constitute one of the richest and most dynamic indigenous religious systems on the African continent, rooted in Bantu-speaking peoples' migrations into the region over the pa

Unkulunkulu Nomkhubulwane amadlozi isangoma inyanga Zulu creation
C_4_12 Verified Global Traditions

C_4_12 — Hawaiian Mythology and Kahuna Tradition

Hawaiian mythology represents one of the most elaborately preserved Polynesian cosmological systems, anchored by the Kumulipo — a 2,102-line genealogical creation chant that traces existence from primordial darkness thro

Hawaiian mythology Pele Maui Kanaloa Tangaroa kapu