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.
3,434 results for "B cells" — page 96 of 172
W_4_01 — Maya Epigraphy, Astronomy, and Calendar Science
The Maya civilization developed one of the most sophisticated writing systems in the pre-Columbian Americas — a mixed logographic-syllabic script that recorded history, astronomy, mythology, and ritual on stone monuments
W_4_07 — Amazonian Traditions, Plant Teachers, and the Ayahuasca Complex
The Amazon Basin — the world's largest tropical rainforest — is home to approximately 400 indigenous groups with an extraordinary tradition of plant-based knowledge unmatched anywhere on Earth. At the center of this trad
W_4_02 — Polynesian Navigation and Rapa Nui
The Polynesian settlement of the Pacific Ocean — the largest migration in human prehistory — colonized virtually every inhabitable island across 16 million km² of open ocean using non-instrument navigation techniques of
W_4_00 — Americas Pacific Indigenous: Subfolder Summary
W_4_08 — Native American Great Plains and Vision Quest Traditions
The Great Plains of North America — stretching from the Canadian prairies to Texas, from the Rocky Mountain foothills to the Mississippi — sustained some of the most mobile, ceremonially rich, and militarily sophisticate
W_1_17 — Islamic Caliphates Comparative Governance
The Islamic caliphates (632–1258 CE for the Rashidun–Abbasid sequence) governed the largest contiguous empire in history by the Umayyad period, stretching from the Iberian Peninsula to the Indus Valley. This document com
W_1_14 — Carthage: Punic Civilization, Navigation, and Tophet
Carthage (from Phoenician Qart-ḥadašt — "New City") was a Phoenician colony founded c. 814 BCE on the coast of modern-day Tunisia that grew into the dominant maritime and commercial power of the western Mediterranean — a
W_1_04 — Persian Civilization — Achaemenid Empire, Magi, and Cosmic Kingship
The Persian Empire (550–330 BCE under the Achaemenids, revived 224–651 CE under the Sassanids) created the largest empire the ancient world had seen — stretching from Libya to India, governing ~44% of the world's populat
W_1_07 — Etruscan Religion and Mystery Traditions
The Etruscans (self-named Rasenna) — who dominated central Italy from ~800–300 BCE before being absorbed by Rome — possessed one of antiquity's most elaborate divination and religious systems, yet their language remains
W_1_03 — Harappan / Indus Valley Civilization — Mohenjo-daro, Undeciphered Script, and the Pashupati Seal
The Indus Valley / Harappan Civilization (c. 3300–1300 BCE, mature phase 2600–1900 BCE) was the largest of the three great Bronze Age civilizations — at its peak covering ~1.25 million km², with an estimated population o
W_1_12 — Persian Civilization — Achaemenid, Parthian, and Sassanid
Persian civilization produced three of antiquity's greatest empires — the Achaemenid (550–330 BCE), Parthian (247 BCE–224 CE), and Sassanid (224–651 CE) — that together dominated the Middle East, Central Asia, and parts
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_06 — Coptic and Ethiopian Christian Mystical Traditions
The Coptic and Ethiopian Christian traditions represent the oldest continuously operating Christian institutions in Africa, preserving theological, liturgical, and textual materials that have been lost or marginalized in
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_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
W_3_05 — Haitian Vodou and Afro-Diasporic Syncretic Religions
Afro-Diasporic religions — including Haitian Vodou, Cuban Santería (Regla de Ocha), Brazilian Candomblé, and related traditions — represent one of the most extraordinary examples of cultural survival and creative synthes
W_3_04 — Swahili Coast — Maritime Trade, City-States, and Cultural Exchange
The Swahili Coast — stretching over 2,000 miles from Mogadishu to Mozambique — was home to a network of prosperous maritime city-states that flourished from the 8th through 16th centuries CE, serving as the western ancho
W_3_24 — Nok Culture
The Nok culture (c. 1500 BCE – 500 CE) of central Nigeria produced sub-Saharan Africa's earliest-known large-scale terracotta sculpture tradition and some of the continent's earliest evidence for iron smelting. First ide
W_3_15 — Satavahana and Deccan Kingdoms: South Indian Power and Trade
The Satavahana dynasty (c. 230 BCE–220 CE) and the broader network of Deccan kingdoms — including the Tamil-speaking Chola, Chera, and Pandya dynasties of the Sangam Age (c. 300 BCE–300 CE) — represent a crucial but ofte
W_2_29 — Satavahana and Deccan Kingdoms: South Indian Power and Trade
The Satavahana dynasty (c. 230 BCE–220 CE) and the broader network of Deccan kingdoms — including the Tamil-speaking Chola, Chera, and Pandya dynasties of the Sangam Age (c. 300 BCE–300 CE) — represent a crucial but ofte
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