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.
251 results for "iron-sulfur world" — page 11 of 13
W_3_02 — Kingdom of Kush and Nubian Civilization — Kerma, Napata, Meroë
The Kingdom of Kush and broader Nubian civilization, centered along the Middle Nile in present-day Sudan, represents one of the most powerful and enduring polities in African history — yet remains chronically underrepres
W_3_13 — Zanzibar and East African Trade Networks: Spice, Slaves, and Swahili Culture
Zanzibar — the archipelago off the coast of modern Tanzania — and the Swahili coast stretching from southern Somalia to northern Mozambique were the nexus of one of history's great maritime trade networks, connecting the
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_08 — Yoruba Civilization: Ile-Ife, Orishas, and Diaspora Legacy
The Yoruba civilization — centered in southwestern Nigeria and the Republic of Benin — is one of the most culturally influential civilizations in African and world history, with a continuous urban tradition stretching ba
W_3_01 — Bantu Cosmology, Migration, and Iron Traditions
The Bantu expansion (~3000 BCE–500 CE) is one of the largest and most consequential human migrations in history: speakers of proto-Bantu languages from the Nigeria-Cameroon borderland spread across most of sub-Saharan Af
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_00 — African Civilizations: Subfolder Summary
W_3_07 — San (Bushmen) Rock Art, Trance Dance, and the Oldest Living Culture
The San (Bushmen) of southern Africa represent what may be the oldest continuously surviving cultural tradition on Earth, with genetic evidence placing them at the base of the modern human family tree (mitochondrial DNA
W_3_03 — Great Zimbabwe and Southern African Civilizations
Great Zimbabwe, located in southeastern Zimbabwe, was the capital of a prosperous Shona-speaking civilization that flourished from the 11th to 15th centuries CE, and represents the largest stone structure in sub-Saharan
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_10 — Benin Kingdom: Bronzes, Walls, and Political Sophistication
The Kingdom of Benin (c. 1180–1897 CE) — centered on Benin City (Edo) in present-day southern Nigeria — was one of the most politically sophisticated and artistically accomplished states in precolonial Africa. Ruled by a
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
W_2_22 — Southeast Asian Classical Kingdoms: Srivijaya, Majapahit, Champa & Pagan
The classical kingdoms of Southeast Asia (c. 3rd–15th centuries CE) — maritime empires and agrarian states spanning from Sumatra to Vietnam — represent some of history's most sophisticated polities, yet remain underrepre
W_2_14 — Song Dynasty: Chinese Technological Renaissance
The Song Dynasty (960–1279 CE) — divided into the Northern Song (960–1127, capital Kaifeng) and the Southern Song (1127–1279, capital Hangzhou/Lin'an after the loss of northern China to the Jurchen Jin dynasty) — represe
W_2_05 — Jain Cosmology and Non-Violence Philosophy
Jainism is one of the world's oldest living religions, with roots extending to at least the 9th century BCE and traditional claims reaching far deeper into prehistory. Its cosmological system describes a vast, uncreated,
W_2_08 — Korean Shamanism (Muism / Musok)
Korean shamanism (Muism or Musok, 무속) is one of the oldest continuous spiritual traditions in East Asia, predating the introduction of Buddhism (4th century CE) and Confucianism to the Korean peninsula. Centered on mudan
W_2_04 — Tibetan Buddhism, Bön, and Hidden Knowledge (Terma)
Tibet's religious traditions represent one of the world's most elaborate systems for the exploration and mapping of consciousness states — from the Six Yogas of Naropa to the Dzogchen practices of pristine awareness, fro
W_2_06 — Sikh Tradition — Guru Nanak, Adi Granth, and Universal Brotherhood
Sikhism, founded by Guru Nanak (1469–1539 CE) in the Punjab region, is the youngest of the world's major religions and among the most radical in its rejection of caste hierarchy, gender inequality, and empty ritual. Its
BROWSE BY SECTION — 3,721 documents across 34 fields