RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 documents 34 sections 43,623 citations 34,854 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.

2,314 results for "Street of the Dead" — page 84 of 116

L_1_07 Genetics & Origins

L_1_07 — Genetic Bottlenecks, Founder Effects, and Toba

Genetic bottlenecks — dramatic reductions in population size that slash genetic diversity — and founder effects — the reduced variation carried by small colonizing groups — have profoundly shaped the genomes of species f

genetic bottleneck founder effect Toba catastrophe supervolcano effective population size Ashkenazi founder
L_1_08 Genetics & Origins

L_1_08 — Denisovans — Archaic Hominin Deep Dive

Denisovans are an extinct group of archaic hominins identified primarily through ancient DNA analysis rather than traditional fossil morphology — making them history's first hominins to be discovered by genetics. In 2010

Denisovans Denisova Cave archaic hominin Homo denisova introgression admixture
L_4_13 Verified Genetics & Origins

L_4_13 — Ancient DNA: Methods, Revelations, and Ethical Debates

Ancient DNA (aDNA) — genetic material recovered from biological remains thousands to hundreds of thousands of years old — has revolutionized our understanding of human evolution, migration, and population history. The fi

ancient DNA aDNA paleogenomics PCR next-generation sequencing Svante Pääbo
L_4_05 Genetics & Origins

L_4_05 — Paleogenomics Methods and Ancient DNA

Paleogenomics — the study of ancient genomes — has transformed archaeology, anthropology, and evolutionary biology over the past two decades, recognized by the 2022 Nobel Prize in Physiology or Medicine awarded to Svante

paleogenomics ancient DNA aDNA ancient DNA extraction petrous bone DNA degradation
L_4_06 Verified Genetics & Origins

L_4_06 — Epigenetics and Transgenerational Inheritance

Epigenetics — the study of heritable changes in gene expression that occur without alterations to the DNA sequence itself — has transformed modern biology by revealing a layer of regulatory information "above" the genome

epigenetics DNA methylation histone modification chromatin transgenerational inheritance imprinting
L_4_03 Genetics & Origins

L_4_03 — Genetic Clocks and Molecular Dating

The molecular clock — the concept that DNA and protein sequences accumulate mutations at approximately regular rates over time — provides a powerful tool for dating evolutionary divergences independently of the fossil re

molecular clock mutation rate molecular dating divergence time substitution rate neutral theory
L_4_17 Credible Genetics & Origins

L_4_17 — Transgenerational Epigenetic Trauma

Transgenerational epigenetic inheritance of trauma — the hypothesis that severe stress, famine, or psychological trauma experienced by one generation can alter the epigenetic marks (DNA methylation, histone modifications

transgenerational epigenetics epigenetic inheritance trauma cortisol PTSD Holocaust survivors
L_4_11 Speculative Genetics & Origins

L_4_11 — Genetic Engineering in Ancient Mythology — Directed Modification Claims

Across virtually every major mythological tradition, human creation is depicted as a deliberate act of divine engineering — gods fashioning humans from raw materials (clay, blood, corn, breath, bone) through intentional,

genetic engineering mythology Anunnaki Enki creation myth hybridization
L_4_08 Verified Genetics & Origins

L_4_08 — Genetic Genealogy and Forensic Genomics

Genetic genealogy — the use of DNA testing for genealogical purposes — has undergone an explosive expansion since the early 2000s, driven by direct-to-consumer (DTC) genetic testing companies (23andMe, AncestryDNA, MyHer

genetic genealogy forensic DNA DNA profiling STR SNP array direct-to-consumer genetic testing
L_2_02 Genetics & Origins

L_2_02 — Population Genetics and Hardy-Weinberg Equilibrium

Population genetics — the mathematical study of allele frequency change in populations — provides the quantitative framework underlying evolutionary biology. The Hardy-Weinberg principle (1908), independently derived by

population genetics Hardy-Weinberg equilibrium allele frequency genetic drift natural selection migration
L_2_08 Verified Genetics & Origins

L_2_08 — East Asian Genetics and Population History

East Asia — comprising China, Japan, Korea, Mongolia, Taiwan, and mainland Southeast Asia — is home to the largest human population concentration on Earth and harbors a complex genetic history shaped by major north-south

East Asian genetics Chinese population Japanese genetics Korean genetics Han Chinese Jomon
L_2_16 Verified Genetics & Origins

L_2_16 — Genetic Diversity and Inbreeding: Population Health Across History

Genetic diversity — the total amount of genetic variation within a population — is a fundamental determinant of population health, adaptive potential, and long-term survival. The loss of diversity through inbreeding (mat

genetic diversity inbreeding consanguinity runs of homozygosity ROH inbreeding depression
L_2_07 Genetics & Origins

L_2_07 — European Genetics and Three Ancestral Populations

The genetic history of Europe has been revolutionized by ancient DNA, revealing that most present-day Europeans can be modeled at a broad level as mixtures of three major ancestral components assembled over the past ~10,

European genetics ancient DNA three ancestral populations Western Hunter-Gatherers Early European Farmers Steppe pastoralists
L_2_03 Genetics & Origins

L_2_03 — Ancient African Genetics

Africa harbors the greatest human genetic diversity on Earth — a direct consequence of being the continent of human origin, where populations have accumulated genetic variation for ~300,000+ years. Modern African populat

African genetics ancient African DNA African population history Bantu expansion Khoisan genetics deep population structure
L_3_01 Genetics & Origins

L_3_01 — Serpent Symbolism in Genetics (Caduceus / DNA)

Entwined-serpent and serpent-on-staff motifs are genuinely widespread in the historical record, and the visual resemblance between some of these images and the modern DNA double helix is obvious to modern viewers. What i

caduceus DNA double helix Ningishzida Hermes kundalini Ida Pingala
L_3_18 Verified Genetics & Origins

L_3_18 — Horizontal Gene Transfer in Eukaryotes

Horizontal gene transfer (HGT) — the movement of genetic material between organisms through mechanisms other than vertical parent-to-offspring inheritance — was long considered a predominantly prokaryotic phenomenon, cen

horizontal gene transfer lateral gene transfer HGT LGT eukaryotes introgression
L_3_02 Genetics & Origins

L_3_02 — Caduceus / Twin-Serpent / DNA Symbolism

This document surveys the widespread twin-serpent-on-axis motif and compares it with the modern DNA double helix. The iconography itself is real and historically well documented, and the molecular structure of DNA is lik

caduceus Rod of Asclepius Ningishzida Hermes kerykeion Fuxi
L_5_04 Verified Genetics & Origins

L_5_04 — Ancient Microbiome and Paleomicrobiology

Paleomicrobiology — the study of ancient microorganisms through the application of molecular techniques (ancient DNA extraction, metagenomics, proteomics) to archaeological and paleontological material — has revolutioniz

microbiome paleomicrobiology ancient DNA aDNA dental calculus coprolite
Y_4_02 Altered States

Y_4_02 — Savant Syndrome and Acquired Genius

Savant syndrome — extraordinary ability coexisting with significant cognitive disability — affects roughly 1 in 10 people with autism and ~1 in 2,000 people with other developmental disabilities or brain injuries. What m

savant syndrome acquired savant traumatic brain injury autistic savant Kim Peek Daniel Tammet
Y_4_15 Credible Altered States

Y_4_15 — Sensory Overload and Information Flooding: Excess as Altered State

Sensory overload — the state that arises when sensory input exceeds the brain's capacity for orderly processing — represents the mirror image of sensory deprivation as a pathway to altered consciousness. While deprivatio

sensory overload information overload Ganzfeld rave culture overwhelm information flooding