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.
3,697 results for "vitamin D" — page 48 of 185
ZC_2_04 — Sociology of Education
The sociology of education examines how educational institutions produce, reproduce, and sometimes challenge social inequalities — investigating the relationship between schooling, social class, race, gender, and economi
ZC_2_17 — Institutional Change Theory: How Organizations, States, and Systems Transform
Institutional change theory — the study of how formal and informal rules, norms, and organizations originate, persist, transform, and collapse — is central to understanding political, economic, and social development. Th
ZC_2_15 — Media Studies and Communication Theory
Media studies and communication theory examine how media technologies and institutions produce, distribute, and shape public meaning. Marshall McLuhan (Understanding Media, 1964) argued "the medium is the message" — the
ZC_2_08 — Demography and Population Studies
Demography is the scientific study of human population — its size, structure, distribution, and change through births, deaths, and migration. World population reached ~8 billion in November 2022 (UN), having grown from ~
ZC_2_07 — Sociology of Health and Illness
Medical sociology (or the sociology of health and illness) examines how social structures, institutions, and relationships shape health outcomes, health behaviors, and the organization of healthcare. Foundational concept
ZC_2_19 — World-Systems Theory — Wallerstein
World-systems theory, developed by Immanuel Wallerstein (1930–2019) beginning with The Modern World-System I (1974), provides a macro-sociological framework for understanding global inequality, economic development, and
G_4_18 — Biogeography and Ancient Distribution Patterns
Biogeography — the study of the spatial distribution of organisms across the planet, both present and past — is one of the most powerful frameworks for understanding Earth history, evolutionary processes, and the mechani
G_4_22 — Emergence and Self-Organization: From Physics to Biology
Emergence — the appearance of macroscopic properties that are not reducible to the behavior of individual components — is one of the most important and contested concepts in modern science and philosophy. From Bénard con
G_4_27 — Schumann Resonance and Human Physiology: Evidence Assessment
The Schumann resonance — a global electromagnetic phenomenon at ~7.83 Hz fundamental and harmonics ~14.3, 20.8, 27.3, 33.8 Hz — is real, well-measured, and physically explained by lightning-driven oscillations in the Ear
G_4_02 — Astrology as Historical Force and Political Tool
Astrology — the interpretation of celestial positions as meaningful for human affairs — is distinct from archaeoastronomy (→ [D_5_08](../../D_Sites_and_Artifacts/D5_Sacred_Geometry_Art_Symbolism/D_5_08_Archaeoastronomy_S
G_4_21 — Archaeogenomics: Ancient DNA and the Reconstruction of Human History
Archaeogenomics — the extraction, sequencing, and analysis of DNA from ancient biological remains — has revolutionized understanding of human migration, admixture, and population history since Svante Pääbo's pioneering w
G_4_07 — Memetics — Cultural Evolution as Darwinian Process
Memetics proposes that cultural information — ideas, behaviors, styles, skills — evolves through a Darwinian process analogous to biological evolution, with the "meme" as the cultural replicator paralleling the gene. Coi
G_4_06 — Sound Healing — Evidence, Pseudoscience, and Ancient Practice
Sound healing occupies a uniquely contested space where genuine medical science, ancient spiritual practice, and modern pseudoscience coexist and often blur together. On one end, music therapy is FDA-recognized for pain
G_4_03 — Ball Lightning, Earthquake Lights, and Anomalous Atmospheric Phenomena
Ball lightning — glowing, roughly spherical objects that float through the air, pass through walls, and sometimes explode — has been reported for centuries by thousands of witnesses, including scientists, airline pilots,
G_4_25 — Space Settlement and Interplanetary Civilization
Space settlement theory addresses the technical, biological, and sociological requirements for establishing permanent self-sustaining human communities beyond Earth. The modern framework was established by physicist Gera
G_4_16 — Comparative Mythology as Science — Phylogenetic and Statistical Approaches
Comparative mythology — the systematic study of myths and folktales across cultures to identify shared elements, trace historical relationships, and understand the cognitive and social processes that generate mythologica
G_4_24 — Post-Scarcity Economics and Resource-Based Models
Post-scarcity economics addresses the theoretical conditions under which advanced automation, AI, and energy abundance could eliminate material scarcity as the organizing principle of economic life. The concept has deep
G_4_20 — Thermodynamics and Ancient Energy Systems
Thermodynamics — the physics of heat, energy, work, and entropy — provides a powerful framework for understanding the energy systems underlying ancient civilizations: how societies captured, converted, stored, and utiliz
G_4_13 — HADD and Agency Detection — Why We See Beings Everywhere
The Hyperactive Agency Detection Device (HADD) — a term coined by cognitive scientist Justin Barrett (2000) building on work by Stewart Guthrie (1993) and Pascal Boyer (2001) — refers to the proposed cognitive mechanism
G_4_04 — Cognitive Science of Religion and the Anthropology of Belief
The Cognitive Science of Religion (CSR) is an interdisciplinary field that explains religious belief and practice as natural products of evolved cognitive mechanisms rather than supernatural revelation or cultural invent
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