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.
1,574 results for "end of life" — page 63 of 79
Z_3_12 — Genetics of Alcohol Metabolism
The genetics of alcohol metabolism provides one of the clearest examples of how specific genetic variants influence behavior and disease risk at a population scale. Ethanol is metabolized primarily through a two-step oxi
Z_3_08 — Genetics of Taste and Smell
Taste and smell perception are profoundly shaped by genetics, with variation in chemosensory receptor genes producing dramatically different sensory worlds between individuals. The olfactory receptor (OR) gene family — d
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_15 — Genetics of Intelligence: Polygenicity, GWAS, and the Heritability Debate
The genetics of intelligence — attempts to identify the specific genetic variants that influence individual differences in cognitive ability — represents one of the most complex and contentious areas in human genetics. H
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_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_11 — Genetics of Immunity and MHC Diversity
The major histocompatibility complex (MHC) — known as the human leukocyte antigen (HLA) system in humans — is the most polymorphic gene region in the human genome, encoding cell-surface glycoproteins essential for adapti
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_15 — Long Non-Coding RNA: The Dark Matter of the Transcriptome
Long non-coding RNAs (lncRNAs) — RNA transcripts longer than 200 nucleotides that do not encode proteins — represent one of the most surprising and rapidly expanding frontiers of molecular biology. The human genome encod
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_08 — The Ribosome: The Molecular Machine of Translation
The ribosome — the massive molecular machine responsible for translating the genetic information encoded in messenger RNA (mRNA) into functional proteins — is arguably the most important macromolecular complex in all of
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_1_08 — Higher-Order Theories of Consciousness
Higher-order (HO) theories of consciousness propose that a mental state becomes conscious not by virtue of its intrinsic properties but because it is the target of a higher-order mental representation — a thought, percep
K_2_19 — Sleep & Dream Neuroscience — Topology of States
Sleep occupies approximately one-third of human life (~26 years for an average lifespan of 79 years) and constitutes a radically altered state of consciousness whose neurobiological mechanisms, evolutionary function, and
K_5_10 — Theories of Self: No-Self, Minimal Self, Narrative Self
The self — the sense of being a unified, continuous subject of experience — is one of the most fundamental yet puzzling features of consciousness. Who or what is the "I" that sees, thinks, remembers, and acts? Theories o
K_5_02 — Pain, Consciousness, and the Nature of Suffering
Pain is one of the most philosophically revealing phenomena in consciousness studies: it is simultaneously a sensory detection system, an emotional experience, a cognitive evaluation, and a social communication — and the
K_5_04 — Neuroscience of Belief
Belief — the mental state of holding something to be true — is a cornerstone of conscious experience, shaping perception, memory, emotion, decision-making, and behavior. The neuroscience of belief has revealed that belie
K_5_14 — Buddhist Abhidharma and the Analysis of Consciousness
The Abhidharma (Sanskrit: "higher teaching," Pali: Abhidhamma) represents Buddhism's systematic attempt to analyze consciousness into its fundamental components — one of the most detailed pre-modern phenomenological fram
K_5_21 — Entoptic Phenomena: Neural Basis of Universal Visual Patterns
Entoptic phenomena are visual experiences generated within the eye or visual nervous system rather than by external stimuli. They include phosphenes (light flashes from pressure on the eye or electrical stimulation), for
BROWSE BY SECTION — 3,721 documents across 34 fields