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.
2,467 results for "Berlin and Kay" — page 7 of 124
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_08 — One Health: Human, Animal, and Environmental Health Interconnected
One Health is an integrated, multidisciplinary approach that recognizes that the health of humans, animals, and ecosystems is fundamentally interconnected. The concept — formalized in the early 21st century but building
X_1_12 — Osteopathic and Chiropractic Medicine
Osteopathic medicine and chiropractic are two parallel manual therapy traditions that emerged in late 19th-century America, both centered on the spine and musculoskeletal system but diverging significantly in their subse
X_1_15 — Greek and Roman Medicine: Hippocrates, Galen, and Western Medical Foundations
Greek and Roman medicine constitutes the foundational tradition of Western medical science, spanning from the 5th century BCE to the 3rd century CE and dominating medical thought for over 1,500 years. Hippocrates of Kos
X_4_14 — Global Health: Equity, Systems, and Planetary Well-Being
Global health is the field concerned with improving health and achieving health equity for all people worldwide — transcending national boundaries and addressing the determinants of health at population, environmental, a
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_13 — Palliative Care and Hospice: Medicine at the End of Life
Palliative care — specialized medical care focused on providing relief from the symptoms, pain, and stress of serious illness, with the goal of improving quality of life for both the patient and the family — and hospice
X_3_03 — Epidemic and Pandemic History
Epidemics and pandemics — the outbreak and widespread transmission of infectious disease — have shaped human civilization as profoundly as wars, technologies, and ideas. Ancient: the Plague of Athens (430 BCE, described
W_4_10 — Pueblo, Hopi, and Navajo Civilizations of the American Southwest
The Pueblo, Hopi, and Navajo (Diné) peoples of the American Southwest represent some of the most culturally continuous civilizations in the Americas, with archaeological records extending over 2,000 years and oral tradit
W_4_01 — Maya Epigraphy, Astronomy, and Calendar Science
The Maya civilization developed one of the most sophisticated writing systems in the pre-Columbian Americas — a mixed logographic-syllabic script that recorded history, astronomy, mythology, and ritual on stone monuments
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
W_4_07 — Amazonian Traditions, Plant Teachers, and the Ayahuasca Complex
The Amazon Basin — the world's largest tropical rainforest — is home to approximately 400 indigenous groups with an extraordinary tradition of plant-based knowledge unmatched anywhere on Earth. At the center of this trad
W_4_02 — Polynesian Navigation and Rapa Nui
The Polynesian settlement of the Pacific Ocean — the largest migration in human prehistory — colonized virtually every inhabitable island across 16 million km² of open ocean using non-instrument navigation techniques of
W_4_06 — Dreamtime Songlines and Aboriginal Navigation
Songlines (also called dreaming tracks or song paths) are one of humanity's most extraordinary intellectual achievements — a vast network of songs that simultaneously encode mythological narrative, geographic navigation
W_4_03 — Andean Civilizations — Chavín, Nazca, Tiwanaku, Caral
The Andean region produced one of the world's great independent civilizations — arguably the most underappreciated. From Caral (~3000 BCE, contemporary with Egyptian pyramids and Sumerian Ur) to the Inca (conquered by Sp
W_4_15 — Ancestral Puebloan: Chaco Canyon, Mesa Verde, and Cliff Dwellings
The Ancestral Puebloan peoples (formerly "Anasazi" — a Navajo term meaning "ancient ones" or "ancient enemies," now considered disrespectful by many Puebloan descendants) developed one of the most architecturally and ast
W_1_15 — Elamite Civilization: Susa, Proto-Writing, and Indo-Iranian Bridge
Elam — one of the oldest civilizations in the world, contemporary with and frequently interacting with Sumer, Akkad, and Babylonia — flourished in southwestern Iran (primarily the lowland plain of Khuzestan and the highl
W_1_01 — Olmec Civilization and Serpent-Jaguar Symbolism
The Olmec civilization (~1500–400 BCE), centered in the tropical lowlands of Mexico's Gulf Coast (modern Veracruz and Tabasco), is widely considered the "mother culture" of Mesoamerica — the civilization from which later
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