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.
90 results for "pig" — page 3 of 5
U_2_01 — Color Symbolism and Chromatic Traditions Across Cultures
Color is both a physical phenomenon (wavelengths of electromagnetic radiation) and a cultural construction, with different societies dividing the visible spectrum in strikingly different ways. Berlin and Kay's landmark 1
INTERDOC_73 — Cancer as Informational Coherence Collapse
[KEY FINDING] By isolating the progression of cancer across four distinct levels of biological organization, we find that tumorigenesis is universally preceded by a loss of systemic coherence.
Z_3_14 — Behavioral Genetics and the Genetics of Aggression
Behavioral genetics investigates the relative contributions of genetic and environmental factors to variation in behavior — including aggression, impulsivity, risk-taking, anxiety, sociability, and cognitive traits. Twin
Z_2_10 — Genetics of Aging and Progeria
Aging — the progressive decline in physiological function leading to increased vulnerability to disease and death — has a substantial genetic component: twin studies estimate heritability of human lifespan at ~25–30% (He
Z_2_14 — Genetics of Longevity and Blue Zones
The genetics of human longevity — why some individuals live past 100 while most do not — is a field where heritability is modest, effect sizes are small, and environmental factors dominate, yet several genetic pathways h
Z_1_13 — DNA Repair Mechanisms and Genome Stability
Every human cell sustains an estimated 10,000–100,000 DNA lesions per day from endogenous sources alone — oxidative metabolism, spontaneous hydrolysis, replication errors, and reactive metabolites — while environmental m
Z_1_16 — Transposable Elements: Jumping Genes and Genome Evolution
Transposable elements (TEs) — sequences of DNA capable of moving ("jumping") from one genomic location to another — constitute approximately 45% of the human genome and up to 85% of the maize genome, making them the sing
Z_1_04 — Gene Expression and Regulation
Gene expression regulation — the molecular mechanisms controlling when, where, and how much each gene is active — is the central process that enables a single genome to produce ~200 distinct cell types, orchestrate embry
Z_1_05 — Genomic Imprinting and Parent-of-Origin Effects
Genomic imprinting is an epigenetic phenomenon in which a gene's expression depends on whether it was inherited from the mother or the father — violating the standard Mendelian assumption that both parental copies functi
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
ZG_1_07 — Mayan Glyphs — Decipherment and Historical Linguistics
The Maya script — the only Mesoamerican writing system known to fully represent spoken language — is a logosyllabic system combining ~800 distinct signs (logograms for words, syllabograms for syllables, and determinative
J_2_14 — Ancient Ink and Writing Materials: Chemistry of Record-Keeping
The technologies of writing — the materials on which it was inscribed and the substances with which it was applied — constituted the physical foundation of ancient record-keeping, administration, literature, science, and
J_4_07 — Ancient Chemical Technology and Preservation
Ancient civilizations developed a wide range of chemical technologies — processes that transform the composition of materials through heating, dissolution, fermentation, precipitation, and other reactions — millennia bef
INTERDOC_43 — Cancer Research Synthesis: Why Treatments Work, Why They Fail, and What May Cure It
Cancer is the second-leading cause of death globally, claiming approximately 10 million lives per year, yet mortality has decreased 33% in the United States since its 1991 peak. This synthesis connects 15+ documents acro
INTERDOC_53 — Substrate-Independent Information Patterns: Empirical Cases
A pattern is empirically substrate-independent if the same information content is preserved across changes in the physical material carrying it. Across multiple domains, biology and physics provide concrete instances of
Mind_Body_Healing_Frontier
The scientific investigation of mind-body interactions has progressed from fringe speculation to a major research domain supported by institutional infrastructure (National Center for Complementary and Integrative Health
ZB_2_16 — Tardigrades: Biology of Indestructibility
Tardigrades (phylum Tardigrada, ~1,400 described species) — commonly called "water bears" or "moss piglets" — are microscopic invertebrates (0.1–1.5 mm) renowned for their extraordinary tolerance to environmental extreme
ZB_2_05 — Aging, Longevity, and the Biology of Death
Why do organisms age and die? This question — one of the oldest in human inquiry — has yielded remarkable molecular answers in recent decades. Leonard Hayflick's 1961 discovery that human cells have a finite replicative
ZB_1_03 — Animal Navigation and Migration — Magnetism, Stars, and Memory
Animal migration and navigation represent some of the most astonishing feats in biology: monarch butterflies traveling 4,000 km across North America using a time-compensated sun compass; Arctic terns completing 71,000-km
ZB_5_05 — Extinction Biology and De-Extinction
Extinction — the complete disappearance of a species — is a permanent event that has shaped life's history as profoundly as origination. Background extinction (the normal, continuous loss of species) proceeds at ~0.1–1 s
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