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.
1,650 results for "human chromosome 2" — page 4 of 83
L_1_18 — Human Migration: Out of Africa, Dispersal Patterns, and the Peopling of the World
The migration of Homo sapiens out of Africa and across the globe is one of the most extensively studied processes in human evolutionary history, now reconstructed through converging evidence from genetics (mitochondrial
L_4_02 — Mendel, Inheritance, and the Rediscovery of Genetics
Gregor Johann Mendel (1822–1884), an Augustinian friar at the St. Thomas Abbey in Brno (then part of the Austrian Empire), conducted the foundational experiments in genetics by systematically crossing garden pea plants (
L_2_12 — Paleogenomics of Africa: The Cradle Revisited
Africa is the cradle of human evolution — the continent where Homo sapiens originated, where the deepest branches of the human family tree diverge, and where the greatest genetic diversity in our species is found. Yet pa
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
L_2_06 — South Asian Genetics and Population History
South Asia harbors one of the most genetically diverse and internally structured population histories of any world region, reflecting deep settlement, repeated admixture, and long periods of extreme endogamy. The best-su
L_2_14 — Sex-Biased Admixture: Patrilocal vs. Matrilocal Migration
One of the most powerful revelations from ancient and modern DNA studies is that human migration, conquest, and admixture are almost never sex-neutral — they are systematically biased toward one sex or the other, produci
L_2_05 — Americas Peopling Genetics
The peopling of the Americas is one of the clearest cases where ancient DNA and archaeology have converged to overturn an older narrative. The core model now favored by genetics is that the main ancestry of Indigenous Am
L_2_04 — Oceanian Genetics and Pacific Migration
The human settlement of Oceania represents the last major expansion of Homo sapiens across the globe, and the most remarkable feat of maritime exploration in human history. It occurred in two major phases separated by ~4
L_3_04 — Y-Chromosome Phylogeny and Patrilineal Deep History
The Y chromosome, transmitted exclusively from father to son, provides a uniquely informative window into patrilineal human history.
L_3_13 — Human Accelerated Regions: What Makes Us Genetically Unique
Human Accelerated Regions (HARs) are short segments of the genome that were highly conserved across millions of years of mammalian evolution — indicating strong functional constraint — but then underwent a burst of rapid
L_5_15 — Genetic Genealogy: DNA Ancestry Testing and Population History
Genetic genealogy — the use of DNA testing to determine relationships and ancestry — has revolutionized both personal genealogy and population genetics since the early 2000s. Three types of DNA analysis provide different
L_5_07 — Genetics of Speech and Language: Beyond FOXP2
Language is humanity's most distinctive cognitive ability — and identifying its genetic basis has been a central goal of human genetics and neuroscience since the discovery of the KE family and the FOXP2 gene. The KE fam
P_2_09 — Cosmopolitanism and Global Ethics
Cosmopolitanism — from the Greek kosmopolitēs ("citizen of the world") — is the philosophical tradition asserting that all human beings belong to a single moral community regardless of nationality, ethnicity, or culture.
ZE_3_19 — Post-Human Ethics: Moral Status, Enhancement, and the Boundaries of Humanity
Post-human ethics addresses the moral questions arising from technologies that could fundamentally alter or transcend the human condition: genetic engineering (CRISPR germline editing), cognitive enhancement (nootropics,
ZE_1_18 — Transhumanism and Post-Human Ethics
Transhumanism is an intellectual and cultural movement advocating the use of technology (genetic engineering, pharmacology, cybernetics, nanotechnology, artificial intelligence) to radically enhance human capabilities —
S_4_07 — Autonomous Weapons Systems — AI, Lethal Autonomy, and the Future of Warfare
Autonomous weapons systems (AWS) represent one of the most consequential intersections of artificial intelligence and military technology. The trajectory from early automated defensive systems (Phalanx CIWS, 1980) throug
S_5_15 — Social Robotics: Companion Robots, Elderly Care, and Human-Robot Interaction
Social robotics — the design, construction, and study of robots intended to interact with humans in socially meaningful ways — occupies the intersection of robotics, artificial intelligence, psychology, and design. Unlik
F_1_23 — Genetic Adam & Mitochondrial Eve
"Mitochondrial Eve" and "Y-chromosomal Adam" are the names given to the most recent common ancestors (MRCAs) of all living humans through the exclusively maternal (mitochondrial DNA) and exclusively paternal (Y-chromosom
I_4_01 — Historic UFO Crashes & Retrieval Allegations
This document catalogs the most significant alleged UFO crash retrieval events from 1933 to the present, individually rated using the 5-tier system. Nine primary cases are profiled alongside the Grusch congressional test
A_2_01 — Bible Serpent References
The Bible contains extensive references to serpents, dragons, and reptilian-type beings whose original meanings differ sharply from later theological reinterpretation. The Hebrew word "nachash" carries meanings of serpen
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