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.
2,062 results for "descent to underworld" — page 98 of 104
U_2_07 — Mosaic and Tile Art
Mosaic — images or patterns created from small pieces (tesserae) of stone, glass, ceramic, or other materials set in mortar — is one of the most durable art forms, with surviving examples spanning 4,000+ years. Origins:
U_4_00 — Sacred Symbolic Ritual: Subfolder Summary
U_4_11 — Martial Arts as Cultural Practice
Martial arts — codified systems of combat training that integrate physical technique with cultural philosophy, aesthetic form, and (often) spiritual discipline — are found in virtually every civilization and represent a
U_4_12 — Iconography and Religious Art
Iconography — the study and production of religious and symbolic imagery — and religious art broadly represent perhaps the single largest category of artistic production in human history. Theoretical framework: Erwin Pan
X_2_05 — Naturopathy and Integrative Medicine
Naturopathy — a system of medical practice emphasizing the body's innate healing capacity, natural remedies, and prevention — and integrative medicine — the combination of conventional and complementary approaches based
X_2_00 — Mind Body Alternative: Subfolder Summary
X_5_00 — Specialized Modern: Subfolder Summary
X_5_24 — Ancient Egyptian Medicine: The Edwin Smith Papyrus and Rational Healing
Ancient Egyptian medicine, documented in medical papyri spanning ~1900–1200 BCE but reflecting traditions potentially centuries older, represents one of the earliest systems to combine rational clinical observation with
X_1_00 — Traditional Ancient Medicine: Subfolder Summary
X_1_12 — Osteopathic and Chiropractic Medicine
Osteopathic medicine and chiropractic are two parallel manual therapy traditions that emerged in late 19th-century America, both centered on the spine and musculoskeletal system but diverging significantly in their subse
X_4_00 — Public Health Ethics: Subfolder Summary
X_4_09 — Public Health and Sanitation
Public health and sanitation — organized efforts to prevent disease, promote health, and prolong life through collective action — have arguably saved more lives than all other medical interventions combined. Clean water,
X_3_06 — Radiology and Medical Imaging
Medical imaging — the visualization of internal body structures for diagnosis and treatment — has transformed medicine from a discipline dependent on external observation and invasive exploration to one with extraordinar
X_3_00 — Surgical Clinical: Subfolder Summary
X_0_00 — Medicine & Healing: Section Summary
W_1_13 — Mesopotamian Daily Life and Urban Civilization
Beyond the well-known temples, ziggurats, and royal inscriptions, the cuneiform record preserves an extraordinarily detailed picture of everyday Mesopotamian life spanning over 3,000 years. Tens of thousands of clay tabl
W_1_20 — Byzantine Iconoclasm: Theology, Art Destruction & Political Dimensions
The Byzantine Iconoclasm — the systematic destruction and prohibition of religious images in the Eastern Roman Empire — erupted in two major phases: the First Iconoclasm (726–787 CE) and the Second Iconoclasm (814–843 CE
W_3_16 — Aksumite Empire
The Aksumite Empire (c. 100–940 CE) was a major trading civilization centered in the northern Ethiopian and Eritrean highlands, with its capital at Aksum. It was one of the four great powers of the ancient world accordin
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
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