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.
918 results for "world age" — page 2 of 46
A_1_12 — Amarna Letters: Bronze Age International Diplomacy
The Amarna Letters are a corpus of approximately 382 cuneiform clay tablets discovered in 1887 at Tell el-Amarna in Middle Egypt — the site of Akhenaten's short-lived capital, Akhetaten. Dating to approximately 1360–1332
A_4_04 — The Kojiki: Japan's Record of Ancient Matters
The Kojiki ("Record of Ancient Matters"), completed in 712 CE, is the oldest surviving literary work in Japan and the primary source for Shinto mythology and the divine origin of the Japanese imperial line. Compiled by Ō
A_4_03 — Popol Vuh: The Maya Book of Creation
The Popol Vuh ("Book of the Community" or "Book of Counsel") is the most important surviving mythological and historical text of the ancient Americas. A K'iche' Maya creation narrative, it was written down in the Latin a
U_5_12 — Art Patronage: Medici, Mughal Courts, and the Economics of Culture
Art patronage — the financial, institutional, or social support of artistic production by individuals, courts, religious bodies, states, or corporations — has been the primary economic engine of art creation for most of
X_3_11 — Battlefield Medicine: Surgical Innovation Under Fire
Battlefield medicine — the practice of treating wounded soldiers under active combat conditions — has been one of the most powerful and paradoxical engines of medical innovation in human history. The pressure of mass cas
W_1_18 — Byzantine Iconoclasm: Theology, Politics, and Image Destruction
Byzantine Iconoclasm (c. 726–843 CE) was the most consequential theological and political crisis in the Eastern Roman Empire's history, centered on whether the creation and veneration of religious images (eikōnes) of Chr
W_1_09 — Canaanite Religion Beyond Ugarit — El, Asherah, and Ba'al in the Iron Age
- [Quick Summary](#quick-summary)
W_3_12 — Gupta Empire: Classical India's Golden Age
The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu
W_2_28 — Gupta Empire: Classical India's Golden Age
The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu
W_5_21 — Iron Age Transition in the Mediterranean (1200–500 BCE)
The Iron Age transition (c. 1200–500 BCE) in the Mediterranean represents one of history's most transformative periods: the collapse of the interconnected Late Bronze Age palatial economies (Mycenaean Greece, Hittite Emp
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_5_14 — Dark Sky Preservation: Light Pollution and Heritage Night Skies
Light pollution — the excessive, misdirected, or obtrusive artificial light that brightens the night sky — has transformed humanity's relationship with the stars more profoundly than any development since the invention o
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,
ZH_1_04 — Nebra Sky Disk: Bronze Age Star Map Analysis
The Nebra sky disk (Himmelsscheibe von Nebra) is a bronze disk approximately 30 cm in diameter, decorated with gold-leaf appliqué representing the sun (or full moon), a crescent moon, stars (including a cluster interpret
ZH_1_13 — Bronze Age Astronomy: Alignments, Calendars, and Knowledge 2000–1000 BCE
The Bronze Age (broadly ~3300–1200 BCE, with regional variation) witnessed a decisive transformation in astronomical knowledge — from the horizon-based, monument-encoded astronomy of the Neolithic to the beginning of sys
C_5_25 — Underworld Journey / Katabasis: Descent to the Land of the Dead
The katabasis (Greek: κατάβασις, "going down") — the hero's or god's descent to the underworld and return — is one of the oldest and most universal narrative structures in world mythology. The Descent of Inanna (Sumerian
C_3_04 — Seven-Level Cosmology / Seven Gates
The number seven appears as a cosmic organizing principle across virtually every ancient tradition on Earth. Sumerian texts describe seven gates in the underworld through which Inanna descends, stripping away one divine
ZF_3_16 — Underwater Cultural Heritage: Submerged Archaeology and Maritime History
Underwater cultural heritage encompasses the vast archaeological record preserved beneath the world's oceans, seas, rivers, and lakes — estimated to include over 3 million shipwrecks worldwide, along with submerged settl
Z_5_02 — Metagenomics and Environmental DNA
Metagenomics — the sequencing and analysis of genetic material recovered directly from environmental samples without culturing organisms — has revealed that the vast majority of Earth's microbial diversity was invisible
Z_1_20 — RNA World Hypothesis
The RNA World hypothesis proposes that life on Earth passed through an early stage in which RNA molecules served as both the carriers of genetic information AND the catalysts of chemical reactions — performing the dual r
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