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.

944 results for "West African Iron Age" — page 41 of 48

A_2_00 Foundations

A_2_00 — Biblical Gnostic Western Esoteric: Subfolder Summary

A_3_00 Foundations

A_3_00 — Egyptian African Mediterranean: Subfolder Summary

X_5_31 Verified Medicine & Healing

X_5_31 — Endocrine Disruptors: Environmental Chemicals and Hormonal Health

Endocrine-disrupting chemicals (EDCs) — exogenous substances that interfere with hormone synthesis, secretion, transport, binding, or elimination — represent one of the most significant and underappreciated environmental

endocrine disruptors bisphenol A BPA phthalates PFAS xenoestrogens
X_1_15 Verified Medicine & Healing

X_1_15 — Greek and Roman Medicine: Hippocrates, Galen, and Western Medical Foundations

Greek and Roman medicine constitutes the foundational tradition of Western medical science, spanning from the 5th century BCE to the 3rd century CE and dominating medical thought for over 1,500 years. Hippocrates of Kos

Hippocrates Galen Asclepius Asclepieia humorism four humors
W_4_10 Verified World Civilizations

W_4_10 — Pueblo, Hopi, and Navajo Civilizations of the American Southwest

The Pueblo, Hopi, and Navajo (Diné) peoples of the American Southwest represent some of the most culturally continuous civilizations in the Americas, with archaeological records extending over 2,000 years and oral tradit

Pueblo Hopi Navajo Diné Ancestral Puebloan Anasazi
W_1_24 Credible World Civilizations

W_1_24 — Tartessos: Iberian Peninsula's Lost Civilization

Tartessos was an ancient civilization or polity centered in southwestern Iberia (modern Andalusia, Spain), flourishing from approximately 1100–550 BCE in the lower Guadalquivir River valley, the Huelva coastal region, an

Tartessos Tartessian Iberia Spain Huelva Guadalquivir
W_3_13 Credible World Civilizations

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

Zanzibar Swahili East Africa Indian Ocean trade network slave trade
W_2_23 Verified World Civilizations

W_2_23 — Pyu City-States

The Pyu city-states (c. 200 BCE – 1050 CE) were the earliest urbanized polities in mainland Southeast Asia, located in the dry zone and Irrawaddy River valley of modern Myanmar (Burma). Three major walled cities — Beikth

Pyu city-states Sri Ksetra Beikthano Halin Myanmar Theravada Buddhism
W_5_36 Verified World Civilizations

W_5_36 — Shang Dynasty: Bronze Age China and the Foundations of Chinese Civilization

The Shang dynasty (c. 1600–1046 BCE) is the earliest Chinese dynasty confirmed by both archaeological evidence and written records, representing the foundational period of Chinese civilization. Centered at Anyang (Yinxu,

Shang dynasty Anyang oracle bones bronze casting Chinese civilization Yinxu
ZH_5_23 Verified Archaeoastronomy

ZH_5_23 — Ancestral Puebloan Archaeoastronomy: Celestial Alignments in the American Southwest

The Ancestral Puebloan civilization (c. 100–1300 CE) of the American Southwest developed one of the most sophisticated archaeoastronomical traditions outside the Old World. Chaco Canyon (New Mexico), the cultural center

ancestral puebloan chaco canyon mesa verde sun dagger fajada butte solar alignment
ZH_2_03 Verified Archaeoastronomy

ZH_2_03 — Islamic Golden Age Astronomy: Observatories and Star Catalogs

Islamic astronomy (c. 750–1500 CE) represents one of the most productive and sophisticated periods in the history of astronomical science — a sustained tradition of observation, mathematical innovation, and critical enga

Islamic astronomy Arabic astronomy observatory star catalog al-Sufi al-Battani
ZH_2_07 Verified Archaeoastronomy

ZH_2_07 — Persian and Central Asian Astronomical Heritage

The astronomical traditions of Persia (Iran) and Central Asia (modern Uzbekistan, Tajikistan, Afghanistan, Turkmenistan) produced some of the most important astronomers, observatories, and star catalogs in pre-modern his

Persian astronomy Ulugh Beg Samarkand Nowruz zij tables Omar Khayyam
C_4_16 Verified Global Traditions

C_4_16 — Zulu and Southern African Cosmologies

Zulu and broader Southern African cosmologies constitute one of the richest and most dynamic indigenous religious systems on the African continent, rooted in Bantu-speaking peoples' migrations into the region over the pa

Unkulunkulu Nomkhubulwane amadlozi isangoma inyanga Zulu creation
C_4_11 Verified Global Traditions

C_4_11 — Berber/Amazigh Mythology and North African Traditions

The Amazigh (Berber) peoples represent one of North Africa's oldest continuous cultural traditions, with the Tamazight language family classified within the Afro-Asiatic phylum and archaeological presence documented acro

Berber Amazigh Tamazight North Africa Tassili n'Ajjer rock art
ZF_3_11 Verified Oceanography

ZF_3_11 — The Sargasso Sea, Bermuda Triangle, and Western Atlantic Anomalies

The Sargasso Sea is the only "sea" in the world defined not by coastlines but by ocean currents — a roughly elliptical region (~3.1 million km²) in the western North Atlantic, bounded by the Gulf Stream (west), North Atl

Sargasso Sea Bermuda Triangle Sargassum North Atlantic gyre methane hydrate compass variation
ZF_5_16 Verified Oceanography

ZF_5_16 — Ocean Observation Networks: Global Monitoring of the Marine Environment

Ocean observation networks constitute the global infrastructure for monitoring the physical, chemical, and biological state of the world's oceans in near-real-time. The centerpiece of modern ocean observation is the Argo

ocean observation Argo floats GOOS ocean monitoring satellite oceanography moored buoys
ZF_5_17 Verified Oceanography

ZF_5_17 — Oil Spill Ecotoxicology: Environmental Fate, Biological Effects, and Ecosystem Recovery

Oil spills — the release of petroleum hydrocarbons into marine and coastal environments — represent among the most visible and ecologically damaging forms of anthropogenic pollution, triggering toxic effects across multi

oil spill ecotoxicology Deepwater Horizon Exxon Valdez PAH polycyclic aromatic hydrocarbons
Z_5_08 Verified Molecular Biology

Z_5_08 — Mitochondrial DNA: Maternal Inheritance, Ancient Lineages, and Disease

Mitochondrial DNA (mtDNA) — the small, circular genome (~16,569 base pairs in humans) contained within mitochondria — encodes 37 genes essential for oxidative phosphorylation (13 protein-coding genes, 22 transfer RNAs, 2

mitochondrial DNA mtDNA maternal inheritance mitochondrial Eve heteroplasmy oxidative phosphorylation
E_2_25 Verified Cataclysms & Chronology

E_2_25 — Glacial Lake Outburst Floods (GLOFs): Catastrophic Drainage Events

Glacial Lake Outburst Floods (GLOFs) — also known by the Icelandic term jökulhlaup — are sudden, catastrophic releases of water from glacially dammed or moraine-dammed lakes, producing some of the largest known flood eve

GLOF glacial lake outburst flood jökulhlaup Missoula floods channeled scablands ice dam
E_2_22 Verified Cataclysms & Chronology

E_2_22 — Dansgaard-Oeschger Events: Rapid Climate Oscillations of the Last Ice Age

Dansgaard-Oeschger (D-O) events are rapid climate oscillations that occurred during the last glacial period (~120,000–11,700 years BP), characterized by abrupt warmings of 8–16°C over Greenland within decades (as few as

Dansgaard-Oeschger events D-O events abrupt climate change ice core Greenland stadial