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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 results for "plow"

J_5_13 Verified Ancient Technology

J_5_13 — Mesopotamian Technology Survey: Innovations of the Fertile Crescent

Mesopotamia — the land between the Tigris and Euphrates rivers (modern Iraq, northeastern Syria, southeastern Turkey, southwestern Iran) — is often called the "Cradle of Civilization," and the claim is justified not mere

Mesopotamia Sumer Babylon Assyria wheel plow

J_4_05 Verified Ancient Technology

J_4_05 — Ancient Agricultural Technology

The technological systems that transformed wild plant gathering into controlled food production — agriculture — represent the most consequential technological revolution in human history, enabling sedentism, population g

agriculture plow ard irrigation shaduf qanat

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