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.

407 results for "African population history" — page 7 of 21

W_5_03 Verified World Civilizations

W_5_03 — Mongol Tengrism and Central Asian Shamanism

Tengrism is one of the world's oldest continually practiced sky-god religions, centered on Möngke Tengri ("Eternal Blue Sky") as the supreme cosmic deity. Originating among the Turkic-Mongol peoples of the Central Asian

Tengrism Tengri Mongolia Genghis Khan Chinggis yurt
W_5_13 Credible World Civilizations

W_5_13 — Mississippian Decline: Cahokia Collapse and Abandonment Theories

Cahokia — the largest pre-Columbian city north of Mexico, located in the American Bottom floodplain of the Mississippi River near modern-day St. Louis, Missouri/East St. Louis, Illinois — rose rapidly around 1050 CE to b

Mississippian Cahokia collapse abandonment mound city depopulation
ZH_4_15 Credible Archaeoastronomy

ZH_4_15 — Milky Way Mythology: Cultural Interpretations of the Galaxy Worldwide

The Milky Way — the luminous band of light stretching across the night sky, now understood as the disk of our home galaxy seen edge-on from within — has been one of humanity's most universally observed and mythologized c

Milky Way galaxy Via Lactea galactic mythology celestial river sky path
ZH_2_09 Verified Archaeoastronomy

ZH_2_09 — Celestial Cartography: Star Maps and Globes Through History

Celestial cartography — the art and science of mapping the sky — is one of humanity's oldest intellectual undertakings, spanning from Mesopotamian star lists (~1200 BCE), through Hipparchus's star catalog (~129 BCE), the

star map celestial globe star catalog uranography planisphere Hipparchus
C_4_04 Verified Global Traditions

C_4_04 — Tuareg and Saharan Serpent Traditions

The Sahara Desert — the world's largest hot desert at 9.2 million km² — was GREEN, wet, and densely inhabited for most of the last 11,000 years. The "African Humid Period" (AHP, ~11,000-5,000 BP) transformed the Sahara i

Tuareg Sahara Green Sahara African Humid Period Richat Structure Eye of Africa
C_5_14 Verified Global Traditions

C_5_14 — Malagasy Traditions and Madagascar's Unique Heritage

Madagascar presents one of the most extraordinary cultural puzzles on Earth: an island off the coast of East Africa whose primary language is Austronesian, most closely related to the Ma'anyan language of southeastern Bo

Madagascar Malagasy Austronesian Famadihana Razana fady
C_2_09 Credible Global Traditions

C_2_09 — Dogon / Nommo Comprehensive

This document examines Dogon / Nommo Comprehensive, a topic within the Global Traditions research area. Key areas of investigation include Geography and Demographics, Marcel Griaule and the Ethnographic Record, Ogotemmêl

Dogon Nommo Sirius Sirius B po tolo Marcel Griaule
ZF_3_00 Oceanography

ZF_3_00 — Maritime History Culture: Subfolder Summary

ZF_3_15 Credible Oceanography

ZF_3_15 — Tsunami Cultural Memory: Indigenous Oral Records and Ancient Warnings

Tsunami cultural memory reveals that indigenous and traditional communities have preserved remarkably accurate records of catastrophic ocean events — sometimes for centuries or millennia — through oral traditions, storie

tsunami cultural memory oral tradition indigenous knowledge geomythology seismic history
Z_5_23 Verified Molecular Biology

Z_5_23 — Gene Drives: CRISPR-Based Inheritance Manipulation and Ecological Engineering

A gene drive is a genetic engineering technology that biases inheritance in sexually reproducing organisms, causing a modified gene to spread through a population at rates far exceeding normal Mendelian inheritance (~50%

gene drive CRISPR mutagenic chain reaction malaria Anopheles population suppression
Z_3_07 Verified Molecular Biology

Z_3_07 — Gene Drive Technology

Gene drives are genetic systems that bias their own inheritance to spread through a population at rates exceeding normal Mendelian expectations (~50% → ~99% transmission). Natural selfish genetic elements (transposons, m

gene drive CRISPR gene drive selfish genetic element meiotic drive super-Mendelian inheritance Anopheles
Z_3_12 Verified Molecular Biology

Z_3_12 — Genetics of Alcohol Metabolism

The genetics of alcohol metabolism provides one of the clearest examples of how specific genetic variants influence behavior and disease risk at a population scale. Ethanol is metabolized primarily through a two-step oxi

alcohol metabolism ADH1B ALDH2 acetaldehyde Asian flush alcohol dehydrogenase
Z_3_09 Verified Molecular Biology

Z_3_09 — Conservation Genetics and Endangered Species

Conservation genetics applies population genetics, genomics, and molecular biology to the preservation of biological diversity. At its core is the recognition that genetic diversity — the raw material for adaptation to c

conservation genetics endangered species genetic diversity inbreeding depression effective population size genetic drift
Z_2_15 Verified Molecular Biology

Z_2_15 — Future of Genomics and Personalized Medicine

Genomics is undergoing a transition from research tool to clinical infrastructure. The cost of whole-genome sequencing (WGS) has plummeted from $2.7 billion (Human Genome Project, 1990–2003) to ~$200 per genome (Illumina

future genomics personalized medicine precision medicine polygenic risk scores whole genome sequencing newborn screening
E_2_06 Verified Cataclysms & Chronology

E_2_06 — Black Death, Pandemic Cycles, and Civilizational Reset

The Black Death (1347–1353 CE) was the most devastating pandemic in recorded human history. Caused by the bacterium *Yersinia pestis and transmitted primarily through flea bites from infected rats, the plague killed an e

Black Death bubonic plague Yersinia pestis pandemic 1347 medieval
E_2_02 Verified Cataclysms & Chronology

E_2_02 — Toba Supervolcano and the 74,000 BP Genetic Bottleneck

Approximately 74,000 years ago, the Toba supervolcano on the island of Sumatra (modern Indonesia) produced the largest volcanic eruption in the last 2 million years: a VEI-8 (Volcanic Explosivity Index maximum) event tha

Toba supervolcano volcanic winter 74000 BP genetic bottleneck population crash
E_2_19 Verified Cataclysms & Chronology

E_2_19 — Volcanism and Human Evolution: Eruptions That Shaped Our Species

The relationship between volcanism and human evolution operates on multiple scales and through multiple mechanisms — from the geological forces that created the landscapes where hominins evolved, to the catastrophic erup

volcanism human evolution Toba volcanic winter bottleneck tephra
E_4_11 Verified Cataclysms & Chronology

E_4_11 — The Holocene Climate Optimum and Mid-Holocene Transition

The Holocene Climate Optimum (also called the Holocene Thermal Maximum or Hypsithermal) designates a prolonged warm interval roughly spanning 9,000–5,000 years before present, during which Northern Hemisphere summer temp

Holocene Thermal Maximum Holocene Climate Optimum Green Sahara African Humid Period Milankovitch obliquity
E_4_12 Verified Cataclysms & Chronology

E_4_12 — Dendrochronology: Tree-Ring Science and Precise Ancient Dating

Dendrochronology — the science of dating based on the analysis of tree-ring growth patterns — is one of the most precise dating methods available to archaeology, climatology, and ecology. Pioneered by Andrew Ellicott Dou

dendrochronology tree rings Andrew Ellicott Douglass bristlecone pine Mike Baillie radiocarbon calibration
E_1_17 Verified Cataclysms & Chronology

E_1_17 — Toba Supereruption: Genetic Bottleneck and Climate Catastrophe

The Toba supereruption — occurring approximately 74,000 years ago (74 ka) on the island of Sumatra, Indonesia — was the largest volcanic eruption of the last 2 million years and one of the most catastrophic events in hum

Toba supereruption VEI-8 volcanic winter genetic bottleneck Homo sapiens