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.
69 results for "Xu Shen" — page 4 of 4
F_2_21 — Ancient Pigment and Dye Trade Routes
Pigments and dyes ranked among the most valuable traded commodities in the ancient world — sometimes rivaling precious metals in cost per unit weight. Lapis lazuli traveled over 4,000 km from mines in Badakhshan (Afghani
V_1_10 — Ancient Greek Mathematics
Ancient Greek mathematics (c. 600 BCE – 500 CE) transformed mathematics from a collection of empirical recipes into a deductive science built on axioms, definitions, and rigorous proof. Thales of Miletus (c. 624–546 BCE)
INTERDOC_37 — Consciousness, Entity Contact, and the Contact Nexus
[KEY FINDING] Entity encounters are reported through at least seven independent consciousness-alteration pathways: (1) Psychedelics — DMT, psilocybin, ayahuasca, iboga, 5-MeO-DMT, mescaline; (2) Meditation — deep jhāna s
InterDoc — UAP–Ancient Civilizations Nexus
This interdisciplinary document examines the proposed connections between modern UAP (Unidentified Anomalous Phenomena) research and ancient civilizations — a nexus that spans sky-god narratives, anomalous archaeological
INTERDOC_08 — Ocean-Climate-Civilization Nexus
The relationship between ocean systems and human civilization is one of the most consequential and least integrated topics in historical analysis — most conventional histories treat the ocean as a static background, when
F_2_05 — Amber, Incense, and Spice Routes: Pre-Silk Road Exchange Networks
Long before the Silk Road connected Han China to Rome, extensive networks of luxury exchange linked the Baltic to the Mediterranean, the Arabian Peninsula to Egypt, and South Asia to the ancient Near East. Baltic amber —
F_2_22 — Ancient Pigment Trade Routes: Lapis Lazuli, Tyrian Purple & Cinnabar
Pigments were among the most valued trade goods of the ancient world, with some traversing distances exceeding 4,000 km from source to final use. Lapis lazuli from the Sar-i Sang mines in Badakhshan (northeastern Afghani
F_2_20 — Amber Trade Routes (Baltic to Mediterranean)
Baltic amber (succinite, fossilized resin of Pinus succinifera, 35–55 million years old) was the most extensively traded organic material in European prehistory and antiquity, linking the shores of the North and Baltic S
F_4_13 — Glass Production: Origins, Trade, and Technology Transfer
Glass is one of the earliest synthetic materials, with origins tracing to faience (glazed quartz) production in Egypt and Mesopotamia by ~5000 BCE and true glass beads appearing by ~3500 BCE. For over two millennia, glas
BROWSE BY SECTION — 3,721 documents across 34 fields