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.
3,326 results for "F factor" — page 46 of 167
Z_3_06 — Genetics of Circadian Rhythms
Circadian rhythms — endogenous ~24-hour oscillations in physiology and behavior — are generated by an intracellular transcription-translation feedback loop (TTFL) encoded by a set of core clock genes conserved across ani
Z_3_10 — Genetics of Athletic Performance
Athletic performance is a highly polygenic trait with substantial heritability — twin studies estimate heritability of VO2max (maximal oxygen uptake) at ~50% (Bouchard et al., 1999, HERITAGE Family Study), muscle fiber c
Z_3_01 — Genetics of Brain Development — ASPM, Microcephalin, HAR1
The human brain is approximately three times larger than expected for a primate of our body size, with a vastly expanded cerebral cortex containing ~86 billion neurons. Identifying the genetic basis for this extraordinar
Z_2_15 — Future of Genomics and Personalized Medicine
Genomics is undergoing a transition from research tool to clinical infrastructure. The cost of whole-genome sequencing (WGS) has plummeted from $2.7 billion (Human Genome Project, 1990–2003) to ~$200 per genome (Illumina
Z_2_08 — Prion Genetics and Misfolded Proteins
Prions are infectious agents composed entirely of misfolded protein — the only known pathogen that contains no nucleic acid (no DNA, no RNA). The protein-only hypothesis (Stanley Prusiner, 1982 — Nobel Prize 1997) states
Z_2_12 — Genetics of Pain Perception
Pain perception — the subjective experience triggered by actual or potential tissue damage — varies enormously across individuals, with genetic factors accounting for 25–50% of the variance in pain sensitivity (twin stud
Z_2_04 — Genetic Disorders and Inborn Errors of Metabolism
Genetic disorders — diseases caused by mutations in single genes (monogenic) or chromosomal abnormalities — affect ~3–5% of live births and collectively represent thousands of distinct conditions catalogued in the Online
Z_2_07 — Genetics of Disease Resistance
Infectious disease has been the most powerful selective force shaping the human genome, leaving signatures across thousands of loci. The best-understood example is sickle cell disease (HbS, Glu6Val in HBB): heterozygous
Z_1_02 — Human Chromosome 2 Fusion — Evidence of Primate Ancestry
Humans possess 46 chromosomes (23 pairs), while all other great apes — chimpanzees, gorillas, and orangutans — possess 48 chromosomes (24 pairs). This discrepancy was explained in the 1980s–1990s when molecular cytogenet
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
Z_1_14 — Chromatin Remodeling: Epigenetic Architecture of the Genome
Chromatin remodeling — the dynamic restructuring of the protein-DNA complex (chromatin) that packages eukaryotic genomes — is a central mechanism of gene regulation and a cornerstone of epigenetics. In eukaryotic cells,
Z_4_13 — Membrane Biology: Lipid Bilayers, Rafts, and Cellular Boundaries
Biological membranes — the lipid bilayer structures that define cells and compartmentalize their interiors — are fundamental to all life on Earth. Every cell is bounded by a plasma membrane that separates the interior (c
Z_4_18 — Protein Misfolding and Prion Diseases
Prion diseases — transmissible spongiform encephalopathies (TSEs) — are fatal neurodegenerative disorders caused by the misfolding and self-propagating aggregation of a normal cellular protein (PrPᶜ) into a pathological
Z_4_09 — Protein Folding: From Anfinsen's Dogma to AlphaFold
Protein folding — the process by which a linear chain of amino acids spontaneously adopts its specific three-dimensional structure — is one of the most fundamental problems in molecular biology and has been called the "s
Z_4_04 — RNA Biology: Types and Functions
RNA (ribonucleic acid) — once considered merely a passive intermediary between DNA and protein — is now recognized as the most functionally diverse class of biological macromolecules, performing roles in catalysis, gene
Z_4_03 — Forensic Genetics and DNA Identification
Forensic genetics uses DNA analysis to identify individuals, establish biological relationships, and solve criminal cases — a revolution that began when Sir Alec Jeffreys (1984, University of Leicester) discovered DNA fi
Z_4_14 — RNA Interference: Gene Silencing by Small RNAs
RNA interference (RNAi) — the process by which small double-stranded RNA molecules silence gene expression by targeting complementary messenger RNA (mRNA) for degradation or translational repression — is one of the most
K_3_09 — Minimal Consciousness and the Threshold of Sentience
Where does consciousness begin? This question — the problem of the threshold of sentience — is one of the most challenging in consciousness studies because it requires identifying what KIND of physical system is minimall
K_3_06 — Disorders of Consciousness: Coma, Vegetative State, and Minimal Consciousness
Disorders of consciousness (DoC) — coma, vegetative state (now termed unresponsive wakefulness syndrome/UWS), and minimally conscious state (MCS) — represent some of the most challenging clinical and philosophical proble
K_3_10 — Fetal and Infant Consciousness
The question of when consciousness emerges during human development — whether prenatally, at birth, or gradually through infancy — is one of the most consequential in consciousness studies, with direct implications for f
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