V_1_18 — Ethnomathematics: Mathematics Across Cultures

Ethnomathematics — the study of mathematical ideas, methods, and practices developed by cultural groups outside the Western academic tradition — was formalized as a field by Ubiratan D'Ambrosio (Brazil, 1985), who argued

U_5_22 — Cultural Heritage: Preservation, Repatriation, and Living Traditions

Cultural heritage encompasses the tangible and intangible expressions of human civilization — monuments, artifacts, languages, rituals, oral traditions, traditional knowledge systems — that communities identify as inheri

ZH_4_13 — African Stellar Calendars: Borana, Mursi, Tswana

African stellar calendars represent some of the most sophisticated naked-eye observational systems in the ethnographic record, yet remain among the least studied in archaeoastronomy — a gap that reflects colonial biases

ZH_4_11 — Astronomical Mythology: Why Stars Were Named and Storied

Every known human culture has projected stories, characters, and meaning onto the stars — transforming patterns of light into mythological landscapes inhabited by gods, heroes, animals, and cosmic forces. Astronomical my

ZH_3_00 — Americas Pacific Indigenous: Subfolder Summary

C_4_10 — Mapuche and Patagonian Traditions

The Mapuche people of south-central Chile and southwestern Argentina represent one of the most remarkable cases of indigenous resistance in world history — the only major American group never conquered by the Inca Empire

ZF_5_16 — Ocean Observation Networks: Global Monitoring of the Marine Environment

Ocean observation networks constitute the global infrastructure for monitoring the physical, chemical, and biological state of the world's oceans in near-real-time. The centerpiece of modern ocean observation is the Argo

ZF_1_01 — Physical Oceanography: Thermohaline Circulation, Currents, and ENSO

Physical oceanography studies the motion, properties, and dynamics of the global ocean — a system containing 97% of Earth's water, covering 71% of the surface, and storing over 90% of the excess heat from anthropogenic c

ZF_1_00 — Physical Oceanography: Subfolder Summary

ZF_0_00 — Oceanography & Marine Science: Section Summary

K_4_06 — Collective Trauma, Cultural Memory, and Intergenerational Transmission

Collective trauma — the psychological impact of catastrophic events on entire communities, nations, or peoples — and its intergenerational transmission across generations is one of the most important intersections of psy

ZG_5_11 — Indigenous Language Revitalization: Immersion, Documentation, and Community Methods

Of the estimated 7,000+ languages spoken worldwide, approximately 40–50% are endangered — meaning they are no longer being learned by children as a first language and face extinction within the coming generations (UNESCO

ZG_1_15 — African Writing Systems: Bamum, Vai, N'Ko, Ge'ez, and Nsibidi

Africa has produced a remarkable diversity of indigenous writing systems spanning millennia — from the ancient Egyptian hieroglyphics (c. 3200 BCE) and Meroitic script (c. 300 BCE, Kingdom of Kush) to scores of modern sc

J_1_16 — Fire Piston: Ancient Pneumatic Ignition Technology

The fire piston (also called fire syringe) is a device that ignites tinder through the rapid compression of air in a sealed cylinder — a practical application of adiabatic compression heating that was independently inven

INTERDOC_30 — Initiation, Mystery Schools, and the Universal Pattern

[KEY FINDING] Arnold van Gennep (The Rites of Passage, 1909) identified the universal three-stage structure of initiation: separation (removal from ordinary life, stripping of previous identity), liminality (threshold st

ZC_5_18 — Disaster Resilience & Cultural Recovery: Anthropological Perspectives

Disaster resilience — the capacity of communities to absorb, adapt to, and recover from catastrophic events while maintaining essential functions and identity — is increasingly understood not as a property of infrastruct

ZC_5_21 — Intergenerational Trauma: Epigenetic Inheritance and Collective Wounds

Intergenerational trauma (also transgenerational or historical trauma) refers to the transmission of traumatic effects from one generation to subsequent generations through psychological, behavioral, social, and — contro

ZC_4_19 — Disaster Resilience Anthropology: Cultural Adaptation to Catastrophe

Disaster anthropology — the study of how human societies prepare for, experience, respond to, and recover from catastrophic events — emerged as a distinct subfield through the work of Anthony Oliver-Smith (University of

ZC_4_05 — Tourism, Heritage, and the Anthropology of Sacred Sites

The anthropology of tourism and heritage examines how places, objects, and practices are designated as culturally significant, how they are consumed by visitors, and who controls the narratives, profits, and meanings at

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