RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

102 results for "physical evidence" — page 2 of 6

X_1_14 Verified Medicine & Healing

X_1_14 — Medical Archaeology

Medical archaeology (also called paleopathology and bioarchaeology) is the study of disease, injury, healing, and medical practice in past populations using physical evidence — primarily skeletal remains, mummified tissu

paleopathology medical archaeology ancient disease bioarchaeology skeletal analysis mummy studies
X_4_04 Verified Medicine & Healing

X_4_04 — Nursing and Caregiving History

Nursing — the professional practice of patient care, health promotion, and illness prevention — has evolved from informal family and religious caregiving to a scientifically grounded profession. Pre-modern: caregiving fe

nursing Florence Nightingale caregiving Mary Seacole Clara Barton public health nursing
X_3_12 Verified Medicine & Healing

X_3_12 — History of Epidemiology: From Miasma to Molecular Surveillance

Epidemiology — the study of the distribution and determinants of disease in populations — is the foundational science of public health, responsible for identifying disease causes, informing prevention strategies, and gui

epidemiology John Snow cholera miasma germ theory disease mapping
W_4_02 Verified World Civilizations

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

Polynesia Polynesian navigation star compass wayfinding Rapa Nui Easter Island
ZF_1_01 Verified Oceanography

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

thermohaline circulation AMOC ENSO El Niño La Niña ocean currents
K_1_11 Verified Consciousness

K_1_11 — Dualism: Mind-Body Problem Across Philosophy and Neuroscience

The mind-body problem — the question of how subjective mental experience (consciousness, thought, sensation, emotion) relates to the physical body (brain, nervous system, matter) — is arguably the oldest and most persist

dualism mind-body problem substance dualism property dualism Descartes Chalmers
K_1_04 Credible Consciousness

K_1_04 — Brain as Filter vs Generator

Two opposing models have dominated the consciousness debate for over a century:

filter theory reducing valve brain as receiver brain as generator William James Aldous Huxley
K_1_09 Credible Consciousness

K_1_09 — Philosophical Zombies and the Hard Problem

The philosophical zombie (p-zombie) thought experiment, formalized by David Chalmers (1996), asks: Could there exist a being physically and functionally identical to a conscious human — identical atom for atom, processin

philosophical zombie p-zombie hard problem of consciousness David Chalmers explanatory gap qualia
E_2_07 Verified Cataclysms & Chronology

E_2_07 — The 4.2 Kiloyear Event — Bronze Age Climate Catastrophe

The 4.2 kiloyear event (~2200 BCE) was a severe, century-scale aridification episode that constitutes one of the most significant abrupt climate changes of the Holocene. Identified through speleothem, marine sediment, an

4.2 kiloyear event megadrought Akkadian Empire collapse Old Kingdom Egypt Indus Valley decline Liangzhu collapse
ZG_5_13 Verified Linguistics & Communication

ZG_5_13 — Language and Law: Legal Language, Plain Language Movement, and Interpretation

Language and law — the intersection of linguistics and legal systems — encompasses the study of legal language as a distinctive register, the application of forensic linguistics (linguistic expertise in legal proceedings

legal language legalese forensic linguistics plain language statutory interpretation legal interpretation
Q_1_01 Verified Cosmology & Physics

Q_1_01 — The Anthropic Principle & Fine-Tuning of the Universe

The universe appears to be astonishingly fine-tuned for the existence of complex life. Alter the cosmological constant by 1 part in 10¹²⁰, or the strong nuclear force by 0.5%, or the ratio of electromagnetic to gravitati

anthropic principle fine-tuning cosmological constant multiverse physical constants observer selection
Q_4_32 Verified Cosmology & Physics

Q_4_32 — The Fundamental Constants: Physics, Life, and Mathematics

The universe runs on numbers — and not arbitrary ones. A small set of fundamental constants, mostly dimensionless, determines every property of matter, energy, space, and time. Change any of them by a fraction and atoms

fundamental constants physical constants CODATA 2022 speed of light Planck constant gravitational constant
ZC_3_22 Credible Social Science

ZC_3_22 — Fourth Industrial Revolution

The Fourth Industrial Revolution (4IR) is a framework articulated by Klaus Schwab (founder and executive chairman of the World Economic Forum) in his 2016 book The Fourth Industrial Revolution, describing a new phase of

Fourth Industrial Revolution Industry 4.0 Klaus Schwab cyber-physical systems Internet of Things artificial intelligence
ZC_3_05 Verified Social Science

ZC_3_05 — Sociology of Sport

Sociology of sport examines how sport reflects, reinforces, and occasionally challenges broader social structures of class, race, gender, and national identity. Norbert Elias and Eric Dunning (Quest for Excitement, 1986)

sociology of sport athletics race gender nationalism commodification
G_3_27 Verified Modern Frameworks

G_3_27 — Morphic Resonance vs Epigenetic Inheritance: A Rigorous Comparison

For decades, Rupert Sheldrake's morphic resonance hypothesis — that organisms inherit form and behavior through a non-material "morphic field" carrying patterns from past similar systems — has been the most prominent fri

morphic resonance Sheldrake epigenetic inheritance Jablonka Dutch Hunger Winter transgenerational
G_2_03 Verified Modern Frameworks

G_2_03 — Bayesian Reasoning and Archaeological Inference

Bayesian reasoning — the systematic updating of probabilities for hypotheses as new evidence is acquired — has transformed archaeology, chronology, and the evaluation of disputed historical claims since the 1990s. At its

Bayesian inference Bayes theorem prior probability posterior likelihood radiocarbon calibration
O_2_08 Verified Earth Anomalies

O_2_08 — Weathering, Erosion, and Deep Time Landscape Evolution

Weathering (the in-situ breakdown of rock and minerals) and erosion (the transport of weathered material by water, wind, ice, and gravity) are the fundamental surface processes that, operating over deep time (millions to

weathering erosion geomorphology denudation chemical weathering physical weathering
T_2_05 Verified Psychology & Social

T_2_05 — Clinical Psychology: History and Foundations

Clinical psychology — the assessment, diagnosis, and treatment of mental disorders — evolved from ancient supernatural explanations of madness through institutional reform, the psychoanalytic revolution, behavioral and c

clinical psychology psychotherapy history mental illness history asylums moral treatment Dix
ZD_4_17 Credible Information & Computation

ZD_4_17 — Digital Twin Technology

A digital twin is a virtual representation of a physical object, process, or system that is continuously updated with real-time data from its physical counterpart through sensors and IoT connectivity, enabling simulation

digital twin virtual replica simulation IoT predictive maintenance Grieves
L_1_18 Verified Genetics & Origins

L_1_18 — Human Migration: Out of Africa, Dispersal Patterns, and the Peopling of the World

The migration of Homo sapiens out of Africa and across the globe is one of the most extensively studied processes in human evolutionary history, now reconstructed through converging evidence from genetics (mitochondrial

human migration Out of Africa dispersal ancient DNA population genetics Homo sapiens