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.
457 results for "control theory" — page 8 of 23
X_4_09 — Public Health and Sanitation
Public health and sanitation — organized efforts to prevent disease, promote health, and prolong life through collective action — have arguably saved more lives than all other medical interventions combined. Clean water,
X_4_19 — Parasites & Behavior Modification
Parasitic behavior manipulation — in which parasites alter their host's behavior to enhance their own transmission — is one of the most remarkable phenomena in biology, challenging our assumptions about free will, consci
X_3_20 — Infectious Disease & Epidemiology
Infectious diseases have shaped human history more profoundly than any other biological force. The germ theory of disease, established by Louis Pasteur and Robert Koch in the 1860s–1880s, transformed medicine from specul
INTERDOC_72 — The Psychedelic Entropy Paradox: Coherence Through Anarchy
The "Entropic Brain" hypothesis, pioneered by Robin Carhart-Harris (Imperial College London), demonstrates that under the influence of classic psychedelics (psilocybin, LSD, DMT), the brain's Default Mode Network (DMN) d
ZH_2_14 — Iatromathematics: Zodiac Man, Medical Astrology, and Celestial Healing
Iatromathematics (Greek: iatros = healer + mathēmatikos = astrologer/mathematician) was the systematic integration of astrology with medical diagnosis and treatment — a dominant medical paradigm in the Western world from
ZH_2_02 — Indian Astronomical Traditions: Aryabhata to Jantar Mantar
Indian astronomy (Jyotish Shastra) constitutes one of the most mathematically sophisticated astronomical traditions of the pre-modern world, spanning from the Vedic period (c. 1500–500 BCE) through the classical siddhānt
ZH_2_16 — Islamic Astronomical Tables (Zīj): Precision Observation and Computational Tradition from Baghdad to Samarkand
The zīj (Arabic: زيج, plural zījāt) is the Islamic astronomical handbook tradition — comprehensive sets of numerical tables and computational instructions enabling astronomers to calculate the positions of the Sun, Moon,
ZH_1_03 — Babylonian MUL.APIN and Mathematical Astronomy
Babylonian astronomy represents the first mathematical science in human history — the first tradition to develop quantitative, predictive models of celestial phenomena based on systematic observation and arithmetic calcu
C_5_01 — Cognitive Anthropology of Serpent Archetypes
This document examines the evolutionary and cognitive science explanations for why serpent beings appear in virtually every human culture. Snake Detection Theory (Isbell, 2009) proposes that primates evolved superior vis
C_3_02 — Language Origins and the Tower of Babel
How did language begin? This is "the hardest problem in science" (Christiansen & Kirby 2003). The Linguistic Society of Paris banned all papers on language origins in 1866 because the topic produced more speculation than
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
Z_5_13 — Molecular Clocks: Timing Evolution at the Sequence Level
Molecular clocks — the observation that DNA and protein sequences accumulate substitutions (mutations that become fixed in a lineage) at approximately regular rates over long periods of evolutionary time, enabling the es
Z_1_21 — Riboswitches and RNA Thermometers
Riboswitches are structured RNA elements typically found in the 5' untranslated regions (5' UTRs) of bacterial messenger RNAs that directly sense and bind specific small-molecule metabolites — changing their three-dimens
K_3_02 — Embodied Cognition
Embodied cognition is a broad research program challenging the classical cognitive science view that the mind is essentially a computer processing abstract symbols in the brain. Instead, embodied cognition holds that thi
K_3_01 — Machine Consciousness — Can AI Be Aware?
The question of machine consciousness — whether artificial systems can be genuinely aware rather than merely simulating awareness — stands at the intersection of philosophy of mind, neuroscience, and computer science. Jo
K_3_14 — Consciousness in Octopuses and Distributed Nervous Systems
Octopuses (Octopus vulgaris, O. bimaculoides, Abdopus aculeatus, and ~300 other species in order Octopoda) represent perhaps the most profound natural experiment in the evolution of consciousness: they are the most cogni
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_07 — Evolution of Consciousness
The question of when, how, and why consciousness evolved is one of the deepest unsolved problems at the intersection of biology, neuroscience, and philosophy. Two major recent proposals have attempted to identify the evo
K_1_03 — Free Energy Principle and Predictive Processing
The Free Energy Principle (FEP), developed by neuroscientist Karl Friston (2006-present), is one of the most ambitious theoretical frameworks in 21st-century science: it attempts to explain the EXISTENCE, BEHAVIOR, and C
K_1_06 — Predictive Processing and Consciousness
Predictive processing (PP) is a unifying framework in cognitive neuroscience proposing that the brain is fundamentally a prediction machine — it continuously generates top-down predictions of incoming sensory input and u
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