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.
918 results for "world age" — page 27 of 46
ZC_4_02 — Kinship Systems and Social Organization Across Cultures
Kinship — the system of social relationships and categories through which human societies classify relatives, define obligations, regulate marriage, organize inheritance, and structure political authority — is the founda
ZC_4_20 — Ecological Anthropology: Human-Environment Interaction Beyond Subsistence
Ecological anthropology — the study of how human cultures interact with, adapt to, transform, and are shaped by their environments — has evolved from deterministic models ("environment shapes culture") through cultural e
ZC_4_08 — Structuralism in Social Science — Lévi-Strauss to Bourdieu
Structuralism — the intellectual movement that sought to uncover the deep, universal structures underlying the surface diversity of human cultures, languages, myths, kinship systems, and social institutions — was the dom
ZC_4_15 — Anthropology of Ritual: Liminality, Communitas, and Ritual Performance
The anthropology of ritual studies the structured, repetitive, symbolic actions through which human societies create meaning, mark transitions, maintain social order, negotiate power, communicate with the sacred, and tra
ZC_4_03 — Ethnomusicology — Music as Social Phenomenon
Ethnomusicology — the study of music in its cultural context, or more precisely, the study of music as culture and culture as expressed through music — emerged in the mid-20th century from the older discipline of "compar
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_14 — Sociology of the Family
Sociology of the family examines how families are structured, how they function as social institutions, and how they have transformed historically. Talcott Parsons (1955) theorized the mid-20th-century American nuclear f
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_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
G_4_19 — Oral Tradition as Historical Record — Scientific Assessment
Oral tradition — the intergenerational transmission of knowledge, narratives, law, and custom without writing — was the primary medium of human memory for >95% of our species' existence and remains vital in many living c
G_4_08 — Graham Hancock — Data-Driven Evaluation of Claims
Graham Hancock (b. 1950, Edinburgh) is a British journalist and author who has become the most prominent advocate of the "lost civilization" hypothesis — the idea that an advanced civilization existed before the end of t
G_4_17 — Microbiome Archaeology — Ancient Gut and Soil Microbes
Microbiome archaeology — the extraction and analysis of ancient microbial communities from archaeological materials (dental calculus, coprolites, mummified remains, soil sediments, ceramics) — has emerged since ~2012 as
G_4_10 — Paleoclimatology Methods: Proxies, Models, and Reconstruction
Paleoclimatology reconstructs Earth's climate history using natural archives—physical, chemical, and biological proxies preserved in geological and biological materials. Speleothems (cave formations) record precipitation
G_1_05 — eDNA and Environmental DNA — Reading Invisible Life
Environmental DNA (eDNA) refers to genetic material shed by organisms into their environment — through skin cells, mucus, feces, urine, gametes, decomposing tissue, pollen, root exudates, and other biological residues —
G_1_04 — Isotope Analysis and Provenance Studies
Isotope analysis — the measurement of ratios of stable or radiogenic isotopes preserved in human bone, tooth enamel, animal remains, ceramics, metals, and organic residues — has become one of the most powerful tools in m
G_1_02 — Digital Archaeology: LiDAR, Remote Sensing, GIS, and AI in Discovery
Digital archaeology encompasses a suite of non-invasive and computational technologies that have revolutionised how sites are discovered, documented, and interpreted. Airborne LiDAR has revealed entire cities beneath tro
G_1_13 — Use-Wear Analysis and Residue Studies — Reading Ancient Tools
Use-wear analysis (also called traceology or microwear analysis) and residue studies are complementary methodologies that determine how ancient tools were used — what materials they processed, what motions were involved,
G_1_07 — Stable Isotope Analysis and Ancient Diets
Stable isotope analysis of human and animal remains — primarily the measurement of carbon ($\delta^{13}$C), nitrogen ($\delta^{15}$N), and sulfur ($\delta^{34}$S) isotope ratios in bone collagen, tooth enamel, hair kerat
G_1_08 — Machine Learning in Archaeology — Pattern Recognition in the Past
Machine learning (ML) — the subset of artificial intelligence in which algorithms learn patterns from data rather than being explicitly programmed — is transforming archaeological practice across every stage of research:
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