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 37 of 79
Z_1_08 — Transposons and Mobile Genetic Elements
Transposable elements (TEs, transposons) — segments of DNA that can move or copy themselves to new genomic locations — are among the most abundant and influential components of eukaryotic genomes. Discovered by Barbara M
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_17 — Environmental Epigenetics & Toxicogenomics
Environmental epigenetics examines how chemical exposures, nutritional states, and ecological stressors modify gene expression without altering DNA sequence — through DNA methylation, histone modifications, and non-codin
Z_1_01 — ENCODE Project, Non-Coding DNA & Epigenetics
The human genome is ~3.2 billion base pairs long, but only ~1.5% encodes proteins. The remaining ~98.5% was once dismissed as "junk DNA." The ENCODE Project (2003–present) revealed that at least 80% of the genome has bio
Z_1_11 — Polyploidy and Genome Duplication
Polyploidy — the possession of more than two complete sets of chromosomes — is a major force in genome evolution, particularly in plants and some animal lineages. Susumu Ohno (1970) proposed that whole genome duplication
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_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_19 — Exosome Signaling and Intercellular Communication
Exosomes are small (30–150 nm) membrane-bound extracellular vesicles (EVs) released by virtually all cell types, carrying a cargo of proteins, lipids, mRNAs, microRNAs (miRNAs), and other nucleic acids that can be taken
K_3_16 — Anesthesia and Consciousness: What Going Under Reveals
General anesthesia provides a unique experimental window into consciousness: the ability to reversibly abolish and restore awareness in a controlled clinical setting. Despite over 175 years of practice since William T.G.
K_3_08 — Intention, Volition, and Motor Consciousness
The neural basis of voluntary action and the timing of conscious intention relative to brain activity has become one of the most productive — and philosophically consequential — research programs in consciousness studies
K_3_11 — Animal Consciousness and Sentience
The question of whether non-human animals possess conscious experience — subjective awareness, felt pain, emotions, and self-recognition — has moved from philosophical speculation to a major neuroscientific research prog
K_3_04 — Anesthesia and Consciousness
General anesthesia — the reversible, drug-induced abolition of consciousness — is one of medicine's greatest achievements and, paradoxically, one of its least understood. Approximately 350 million surgical procedures per
K_3_03 — Memory and Consciousness
Memory and consciousness are deeply intertwined — memory provides the continuity of experience that creates a sense of self persisting through time, while consciousness provides the subjective context within which memori
K_1_13 — Enactivism: Consciousness Through Action and Interaction
Enactivism is a radical approach to cognition and consciousness that rejects the traditional computational model of the mind (the brain as information-processing computer operating on internal representations of the exte
K_1_02 — Biocentrism and Observer-Dependent Reality
Biocentrism, proposed by Robert Lanza (stem cell biologist) and Bob Berman (astronomer) in 2009, argues that consciousness is FUNDAMENTAL to the universe — not an accidental byproduct of matter — and that the universe's
K_1_09 — Philosophical Zombies and the Hard Problem
The philosophical zombie (p-zombie) thought experiment, formalized by David Chalmers (1996), asks: Could there exist a being physically and functionally identical to a conscious human — identical atom for atom, processin
K_4_04 — Morphic Resonance and Sheldrake's Hypothesis
Morphic resonance is a hypothesis proposed by biologist Rupert Sheldrake (b. 1942, Cambridge-trained plant physiologist) that proposes nature operates by habits, not fixed laws, and that organisms and systems are influen
K_4_12 — Noosphere — Teilhard de Chardin, Vernadsky, and the Thinking Layer
The noosphere ("sphere of mind") is a concept developed independently by Russian geochemist Vladimir Vernadsky and French paleontologist-priest Pierre Teilhard de Chardin in the 1920s, describing a layer of collective hu
K_4_21 — Quantum Approaches to Consciousness: A Rigorous Assessment
The hypothesis that consciousness depends on quantum-mechanical processes — most prominently in the Penrose-Hameroff Orchestrated Objective Reduction (Orch-OR) model — is one of the most polarizing claims in cognitive sc
K_2_15 — Glial Cells and the Tripartite Synapse: The Brain's Other Half
Glial cells (neuroglia) — comprising astrocytes, oligodendrocytes, microglia, and NG2 glia in the central nervous system, plus Schwann cells and satellite cells in the peripheral nervous system — constitute approximately
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