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.
3,721 results for "T cells" — page 162 of 187
M_1_02 — Antikythera Mechanism Deep Dive — The World's First Analog Computer
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M_1_03 — Iron Pillar of Delhi — Unexplained Corrosion Resistance
The Iron Pillar of Delhi is a 7.21-meter, 6.5-tonne wrought iron column standing in the Qutb Minar complex in Mehrauli, New Delhi, dating to approximately 402 CE during the Gupta dynasty — most likely commissioned by Cha
M_1_06 — Roman Dodecahedra — Hundreds of Mysterious Artifacts
Roman dodecahedra are small hollow bronze (occasionally stone or lead) objects with 12 pentagonal faces, each containing a circular hole of varying diameter, with knobs or protuberances at each of the 20 vertices.
X_2_13 — Pain Science: Nociception, Perception, and the Biopsychosocial Model
Pain is one of the most universal human experiences — and one of the most complex phenomena in medicine and neuroscience. The International Association for the Study of Pain (IASP) defines pain as "an unpleasant sensory
X_2_01 — Psychosomatic Medicine and Placebo Science
The placebo effect — measurable physiological change resulting from the belief or expectation of treatment rather than the treatment's pharmacological action — is among the most replicated and least understood phenomena
X_5_31 — Endocrine Disruptors: Environmental Chemicals and Hormonal Health
Endocrine-disrupting chemicals (EDCs) — exogenous substances that interfere with hormone synthesis, secretion, transport, binding, or elimination — represent one of the most significant and underappreciated environmental
X_5_29 — Epidemiology and Pandemics: Disease, Civilization, and the Biology of Outbreaks
Epidemiology — the study of disease distribution and determinants in populations — has fundamentally shaped human history, often more decisively than warfare or politics. The Antonine Plague (165–180 CE, likely smallpox)
X_5_26 — Psychedelic Medicine: The Johns Hopkins Center and the Therapeutic Renaissance
The psychedelic therapy renaissance — centered at the Johns Hopkins Center for Psychedelic and Consciousness Research (established 2019, originally launched as a research program in 2000) — represents one of the most sig
X_5_20 — Medical Regulation: Clinical Trials, Drug Safety, and the History of Oversight
Medical regulation — the system of laws, agencies, and protocols governing drug development, clinical trials, and medical device approval — evolved over centuries from virtually no oversight to the elaborate global frame
X_5_30 — Heart Rate Variability: Autonomic Function, Stress, and Integrative Health
Heart rate variability (HRV) — the variation in time intervals between consecutive heartbeats — is a non-invasive biomarker of autonomic nervous system (ANS) function that has emerged as one of the most widely studied ph
X_5_28 — Circadian Rhythm Disruption: Health Consequences of Modern Light Exposure
Circadian rhythms — endogenous ~24-hour oscillations in physiology and behavior — are generated by molecular clock genes (CLOCK, BMAL1, PER, CRY) operating in virtually every cell, coordinated by the master pacemaker in
X_3_30 — Barrier Permeability and Consciousness State Transitions
The blood-brain barrier, intestinal epithelium, and neuronal cell membrane are not passive filters but actively gated information interfaces whose permeability state directly modulates conscious experience. Pharmacologic
W_4_21 — Rapa Nui: Isolation, Ecocide Debate, and Cultural Resilience on Easter Island
Rapa Nui (Easter Island), the most isolated inhabited island in the world — 3,700 km from South America, 2,000 km from Pitcairn — was settled by Polynesian voyagers c. 1200 CE and developed a unique civilization that car
ZF_2_16 — Mesopelagic Twilight Zone Ecology
The mesopelagic zone (200–1,000 m depth) — the ocean's "twilight zone" — is the largest and least understood habitat on Earth, containing an estimated 1–10 billion tonnes of fish biomass, hosting the largest animal migra
ZF_2_18 — Abyssal Trench Biogeography: Life at the Deepest Frontiers
The hadal zone (depths below 6,000 m, named for Hades, the Greek underworld) — comprising the ~37 ocean trenches formed by tectonic subduction, totaling only ~0.25% of the global seafloor yet spanning a depth range equiv
ZF_5_20 — Wallace Line: Biogeographic Boundary and Deep-Time Distribution Patterns
The Wallace Line is a biogeographic boundary running through the Malay Archipelago, separating the fauna of Asia (Sunda Shelf) from that of Australasia (Sahul Shelf). First identified by Alfred Russel Wallace during his
ZF_5_21 — Invasive Species: Ecological Disruption, Biosecurity, and Marine Invasions
Invasive species — organisms introduced outside their native range that cause ecological, economic, or health damage — represent one of the top five drivers of global biodiversity loss, alongside habitat destruction, ove
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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