RESEARCH BASE

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.

4 results for "Schmandt-Besserat"

A_1_23 Verified Foundations

A_1_23 — Proto-Writing & Token Systems: Precursors to Cuneiform

The invention of writing in Mesopotamia around 3200 BCE was not a sudden innovation but the culmination of an 8,000-year evolution of information recording technologies. Beginning with simple geometric clay tokens in the

proto-writing clay-tokens bullae uruk-period accounting-origins cuneiform-precursors
ZG_1_02 Verified Linguistics & Communication

ZG_1_02 — Cuneiform — The World's First Writing System

Cuneiform — from Latin cuneus ("wedge") — is the earliest known writing system, invented in southern Mesopotamia (modern Iraq) by the Sumerians circa 3400–3100 BCE in the city of Uruk. It began as a system of pictographi

cuneiform Sumer Uruk writing proto-cuneiform tablet
J_5_04 Verified Ancient Technology

J_5_04 — Ancient Communication Systems — Roads, Signals, and Scripts

Ancient communication systems achieved remarkable speed and coverage through integrated networks of roads, runners, signal towers, and symbolic encoding. The Roman road network spanned an estimated 85,000 km of paved hig

Roman roads Persian Royal Road Inca chasqui beacon towers hydraulic telegraph drum telegraphy
F_3_05 Verified Lost Connections

F_3_05 — Writing System Origins and Independent Inventions

Writing was independently invented at least four times in human history: Sumerian cuneiform in Mesopotamia (~3400 BCE), Egyptian hieroglyphs (~3200 BCE), Chinese script (~1200 BCE with possible earlier precursors), and M

writing systems cuneiform hieroglyphs oracle bones Mesoamerican script Indus script