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.
112 results for "disease transmission" — page 5 of 6
L_4_16 — Ancient Pathogen Genomics: Disease DNA from the Archaeological Record
Ancient pathogen genomics — the recovery and analysis of microbial DNA from archaeological remains — has revolutionized understanding of historical pandemics and pathogen evolution. The field was transformed when Johanne
L_3_09 — HLA Diversity and Immune System Evolution
The Human Leukocyte Antigen (HLA) system — the human version of the Major Histocompatibility Complex (MHC) found in all jawed vertebrates — is the most polymorphic gene region in the entire human genome. Located on chrom
L_3_05 — Blood Type Genetics and the ABO System
Blood group genetics represents one of the earliest and most clinically important applications of Mendelian inheritance in human biology. Karl Landsteiner's discovery of the ABO blood group system (1900–1901) — which ear
Y_2_02 — Terminal Lucidity
This document examines Terminal Lucidity, a topic within the Consciousness research area. Key areas of investigation include What Is Terminal Lucidity?, Why This Is Anomalous, The Significance for Consciousness Studies.
H_1_08 — Destruction of Nalanda and Asian Knowledge Centers
The destruction of Nalanda — the world's first residential university, operating continuously for approximately 700 years (5th–12th centuries CE) in what is now Bihar, India — represents one of the most consequential epi
H_3_07 — Suppression of Women's Knowledge and Healing Traditions
Across European and colonial history, women's roles as healers, herbalists, midwives, and knowledge transmitters were systematically marginalized through a combination of religious persecution, medical professionalizatio
H_3_14 — Oral History Suppression: Favoring Text Over Voice
Academic historiography has systematically privileged written texts over oral sources — treating written documents as reliable evidence and oral traditions as unreliable, distorted, or "merely" mythological. This literac
N_2_02 — Sufi Orders and Islamic Esoteric Traditions
Sufism (tasawwuf) is the mystical-contemplative dimension of Islam — a tradition of inner transformation, direct divine experience, and spiritual discipline that has produced some of the world's greatest poets (Rumi, Haf
R_3_15 — Epigenetics and Lamarckian Inheritance: Transgenerational Mechanisms Beyond DNA Sequence
Epigenetics — the study of heritable changes in gene expression that occur without alteration to the underlying DNA sequence — has fundamentally reshaped modern biology since the term was coined by Conrad Hal Waddington
R_2_12 — Tool Use in Animals: Corvids, Primates, Dolphins, and Cognitive Evolution
Tool use — the employment of an external object to alter the form, position, or condition of another object or organism — was once considered uniquely human, a defining cognitive threshold separating Homo sapiens from al
S_4_01 — Existential Risk Taxonomy
Existential risk (x-risk) refers to any event that could permanently curtail humanity's long-term potential — including extinction, civilizational collapse without recovery, or irreversible loss of value (e.g., permanent
S_2_15 — Brain Organoids: Lab-Grown Neural Models, Consciousness, and Ethics
Brain organoids — also called cerebral organoids or colloquially "mini-brains" — are three-dimensional, self-organized tissue cultures derived from human induced pluripotent stem cells (iPSCs) or embryonic stem cells tha
F_4_04 — Post-Catastrophe Knowledge Preservation
If advanced civilization existed before the Younger Dryas impact (~12,800 years ago), how could its knowledge survive total civilizational collapse? This is not an idle question — it is the central engineering problem of
F_4_29 — Columbian Exchange: Biological & Cultural Transformation
The Columbian Exchange — a term coined by historian Alfred W. Crosby in 1972 — describes the massive bidirectional transfer of plants, animals, diseases, technologies, and peoples between the Americas and the Old World f
F_3_13 — Cave Art Networks — Ice Age Information Highways
Ice Age cave art — the painted, engraved, and sculpted images found in deep caves across Europe, Southeast Asia, and elsewhere, dating from the Upper Paleolithic (~45,000–10,000 BP) — is the oldest known evidence of comp
F_3_09 — Musical Instrument Diffusion and Shared Traditions
Musical instruments represent some of the oldest artifacts of human culture and their distribution patterns across the globe illuminate deep connections — and sometimes startling independent inventions — among widely sep
F_3_08 — Ancient Communication and Postal Systems
Long before electronic communication, ancient civilizations developed sophisticated communication and postal systems that enabled information to travel across vast empires at speeds that would not be surpassed until the
I_5_09 — Cattle Mutilation and UAP Association
Cattle mutilation refers to the unexplained deaths of livestock — predominantly cattle — found with specific organs or tissue removed with what witnesses describe as "surgical precision," often accompanied by complete or
K_4_06 — Collective Trauma, Cultural Memory, and Intergenerational Transmission
Collective trauma — the psychological impact of catastrophic events on entire communities, nations, or peoples — and its intergenerational transmission across generations is one of the most important intersections of psy
INTERDOC_64 — Cross-Cultural Constellations: Independent Invention vs. Diffusion as a Knowledge-Transmission Probe
The 88 modern IAU constellations are a cultural product — 48 from Ptolemy (~150 CE, derived from Mesopotamian/Babylonian sources), 12 from Keyser and de Houtman (~1596, Dutch East Indies), and 28 filled in by 17th–18th c
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