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.

1,650 results for "human chromosome 2" — page 11 of 83

Z_1_11 Verified Molecular Biology

Z_1_11 — Polyploidy and Genome Duplication

Polyploidy — the possession of more than two complete sets of chromosomes — is a major force in genome evolution, particularly in plants and some animal lineages. Susumu Ohno (1970) proposed that whole genome duplication

polyploidy genome duplication whole genome duplication WGD autopolyploidy allopolyploidy
E_5_03 Verified Cataclysms & Chronology

E_5_03 — The End-Triassic Mass Extinction

The End-Triassic mass extinction (c. 201.564 ± 0.015 million years ago) was one of the "Big Five" mass extinctions in Earth's history, eliminating approximately 76% of all species and ~50% of genera, clearing the ecologi

End-Triassic Triassic-Jurassic mass extinction CAMP Central Atlantic Magmatic Province CO2
ZG_4_13 Verified Linguistics & Communication

ZG_4_13 — Language and Identity: National Languages, Minority Rights, and Linguistic Nationalism

Language and identity — the relationship between the language(s) a person speaks and their sense of self, group membership, and social belonging — is one of the most politically charged and emotionally resonant dimension

language identity linguistic nationalism national language minority language language rights ethnolinguistic identity
Credible

INTERDOC_42 — The Serpent Being: Humanity's Oldest and Most Inverted Mythology

[KEY FINDING] Before the rise of Indo-European and Abrahamic traditions, serpent beings were the most widely venerated entity category on Earth:

serpent snake dragon Naga Quetzalcoatl Ouroboros
G_4_21 Verified Modern Frameworks

G_4_21 — Archaeogenomics: Ancient DNA and the Reconstruction of Human History

Archaeogenomics — the extraction, sequencing, and analysis of DNA from ancient biological remains — has revolutionized understanding of human migration, admixture, and population history since Svante Pääbo's pioneering w

archaeogenomics ancient DNA aDNA Svante Pääbo David Reich paleogenomics
T_5_22 Verified Psychology & Social

T_5_22 — Heuristics & Cognitive Biases: Systematic Errors in Human Judgment

Heuristics are mental shortcuts that enable fast, efficient decision-making under conditions of uncertainty — and cognitive biases are the systematic errors that result when those shortcuts misfire. The heuristics-and-bi

cognitive bias heuristics kahneman tversky prospect theory availability heuristic
T_5_25 Verified Psychology & Social

T_5_25 — Cognitive Evolution: The Development of Human Mental Capacities

Cognitive evolution — the study of how human mental capacities emerged and developed over evolutionary time — addresses one of the deepest questions in science: how did a lineage of African primates develop language, sym

cognitive evolution brain evolution encephalization theory of mind language evolution symbolic thought
B_5_12 Credible Beings & Entities

B_5_12 — Cognitive Science of Monster Concepts: Why Humans Invent Creatures

Why do all human cultures independently generate remarkably similar monster concepts — predatory hybrids, shape-shifters, reanimated corpses, giant serpents, invisible watchers? Cognitive science offers a compelling fram

monster concepts cognitive science agency detection predator detection minimally counterintuitive Pascal Boyer
B_5_02 Verified Beings & Entities

B_5_02 — Shape-Shifting, Therianthropy, and Human-Animal Transformation

The belief that humans can transform into animals — and that some beings exist in hybrid human-animal forms — is one of the oldest and most widespread motifs in human culture. The famous "Lion-Man" of Hohlenstein-Stadel

shape-shifting therianthropy therianthrope lycanthropy werewolf skinwalker
B_2_00 Beings & Entities

B_2_00 — Humanoid Crypto Entities: Subfolder Summary

ZD_5_16 Credible Information & Computation

ZD_5_16 — Autonomous Weapons Systems

Autonomous weapons systems (AWS) — also termed lethal autonomous weapons systems (LAWS) — are weapon systems that can select and engage targets without meaningful human control. The debate over these weapons has become o

autonomous weapons lethal autonomous weapons systems LAWS killer robots Campaign to Stop Killer Robots CCW
L_1_17 Verified Genetics & Origins

L_1_17 — Homo Floresiensis

Homo floresiensis is one of the most controversial hominin discoveries of the 21st century. Found in Liang Bua cave on the Indonesian island of Flores by Mike Morwood and Thomas Sutikna in September 2003 (announced Octob

Homo floresiensis Flores hobbit Liang Bua island dwarfism hominin evolution
L_1_13 Verified Genetics & Origins

L_1_13 — Homo Naledi: Underground Burial and Primitive Morphology

Homo naledi is one of the most unexpected and controversial hominin discoveries of the 21st century. Announced in 2015 by Lee Berger (University of the Witwatersrand) and an international team, the species was recovered

Homo naledi Rising Star Dinaledi Chamber Lee Berger primitive morphology hominin
L_1_03 Verified Genetics & Origins

L_1_03 — Mitochondrial Eve, Y-Chromosomal Adam & Population Origins

Mitochondrial Eve and Y-chromosomal Adam are the most recent common ancestors of all living humans along strictly maternal and strictly paternal lines. They were not the first woman and man, were not a couple, and do not

mitochondrial Eve Y-chromosomal Adam mtDNA haplogroup Out of Africa Jebel Irhoud
L_1_16 Verified Genetics & Origins

L_1_16 — Denisovan Genetics and Legacy

The Denisovans — an extinct group of archaic humans first identified in 2010 from ancient DNA extracted from a finger bone fragment found in Denisova Cave, Altai Mountains, Siberia (~41,000 years old) — represent one of

denisovans denisova-cave ancient-dna introgression epas1 altitude-adaptation
L_4_05 Verified 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_3_06 Credible Genetics & Origins

L_3_06 — Genetics of Intelligence and Cognition

The genetics of intelligence — one of the most studied yet contentious areas in behavioral genetics — has established that cognitive ability, as measured by standardized tests, has a substantial heritable component (~50–

intelligence genetics cognitive ability IQ heritability GWAS intelligence polygenic score educational attainment
L_3_08 Verified Genetics & Origins

L_3_08 — Genetics of Skin, Hair, and Eye Color

Human pigmentation — skin, hair, and eye color — is one of the best-understood complex traits in human genetics, with a relatively modest number of genes explaining a large proportion of variation compared to most polyge

pigmentation genetics melanin eumelanin pheomelanin MC1R OCA2
P_5_07 Verified Philosophy & Meaning

P_5_07 — Hermeneutics and Interpretation Theory

Hermeneutics — the theory and practice of interpretation — originated in biblical and classical textual criticism but expanded through the 19th and 20th centuries into a comprehensive philosophical framework addressing h

hermeneutics interpretation understanding Schleiermacher Dilthey Gadamer
ZE_5_11 Verified Ethics & Applied Philosophy

ZE_5_11 — Moral Relativism vs. Universalism: Cross-Cultural Moral Disagreement

The debate between moral relativism and moral universalism is among the most fundamental in ethics. Relativism holds that moral judgments are valid only relative to a cultural, historical, or individual framework — there

moral relativism moral universalism cultural relativism cross-cultural ethics Harman Wong