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.
2,302 results for "Weighing of the Heart" — page 1 of 116
A_4_39 — Egyptian Book of the Dead: Funerary Texts, Afterlife Geography, and Judgment of the Soul
The "Book of the Dead" (Pert em Heru, "Coming/Going Forth by Day") is a corpus of ancient Egyptian funerary texts — spells, hymns, incantations, and illustrated vignettes — designed to guide the deceased through the Duat
A_3_03 — Egyptian Book of the Dead and Funerary Literature
The Egyptian Book of the Dead (Pert em Hru — "Coming Forth by Day") is a collection of ~200 magical spells, hymns, and instructions designed to guide the deceased through the Duat (underworld) and into eternal life in th
A_4_03 — Popol Vuh: The Maya Book of Creation
The Popol Vuh ("Book of the Community" or "Book of Counsel") is the most important surviving mythological and historical text of the ancient Americas. A K'iche' Maya creation narrative, it was written down in the Latin a
X_3_14 — Cardiology: The Science of the Heart
Cardiology — the branch of medicine dealing with disorders of the heart and cardiovascular system — addresses the leading cause of death worldwide: cardiovascular disease (CVD), responsible for ~17.9 million deaths per y
C_1_12 — Fire Symbolism, Sacred Flame, and the Theft of Fire
Fire is arguably the most transformative technology in human history — and the most universally sacralized natural phenomenon. The control of fire (~1.5 million years ago, Homo erectus) enabled cooking (which transformed
K_1_12 — Orchestrated Objective Reduction: Penrose-Hameroff Theory Deep Dive
Orchestrated Objective Reduction (Orch-OR) is a theory of consciousness proposed by mathematical physicist Sir Roger Penrose (b. 1931, Nobel Prize in Physics 2020) and anesthesiologist Stuart Hameroff (b. 1947), first ar
Q_4_07 — Entropy: Order, Disorder, and the Arrow of Time
Entropy is one of the most fundamental and far-reaching concepts in all of physics — a quantity that measures the number of microscopic configurations (microstates) consistent with a system's macroscopic properties (macr
G_3_28 — Phlogiston Theory: Productive Fiction and the Birth of Chemistry
Phlogiston theory — developed by German chemist and physician Georg Ernst Stahl in the early 18th century — held that all combustible materials contain a fire-principle called phlogiston (from the Greek phlogistós, "burn
P_4_14 — Maat and Ancient Egyptian Philosophy: Order, Truth, and Justice
Maat (also Ma'at) is the ancient Egyptian concept of cosmic order, truth, justice, balance, and righteous conduct that governed the universe, society, and individual ethics for over three millennia — from the Old Kingdom
P_1_13 — Paradoxes in Philosophy: Zeno, Liar, Ship of Theseus, Sorites
A paradox is an argument that proceeds from apparently acceptable premises via apparently valid reasoning to a conclusion that is apparently unacceptable — forcing us either to reject a premise, identify a flaw in the re
R_1_19 — Deep-Sea Hydrothermal Vent Origin of Life
The deep-sea hydrothermal vent hypothesis for the origin of life proposes that life on Earth began at submarine hydrothermal systems — either high-temperature black smoker vents (>350°C, acidic, rich in transition metals
V_1_16 — History of Mathematical Notation: Symbols, Conventions, and Communication
The history of mathematical notation reveals that mathematics is not merely a body of truths but also a system of communication whose power depends critically on the symbols used to express it. Good notation does not mer
V_4_26 — Philosophy of Mathematics: Foundations, Reality, and Discovery vs. Invention
The philosophy of mathematics asks the deepest questions about the nature of mathematical objects: Do numbers, sets, and geometric forms exist independently of human minds (Platonism/realism), or are they human construct
X_5_30 — Heart Rate Variability: Autonomic Function, Stress, and Integrative Health
Heart rate variability (HRV) — the variation in time intervals between consecutive heartbeats — is a non-invasive biomarker of autonomic nervous system (ANS) function that has emerged as one of the most widely studied ph
W_4_05 — Iroquois Confederacy and the Great Law of Peace
The Haudenosaunee (People of the Longhouse), commonly known as the Iroquois Confederacy, created one of the world's oldest continuous systems of participatory governance, uniting five — later six — nations under the Grea
K_3_15 — Anesthesia and the Mechanisms of Consciousness Loss
General anesthesia — the reversible abolition of consciousness through pharmacological agents — is one of the most remarkable phenomena in medicine: it routinely eliminates subjective experience in millions of patients d
Y_1_04 — Biofield Science — Electromagnetic and Subtle Energy Research
Biofield science investigates the electromagnetic, acoustic, and hypothesized "subtle energy" fields associated with living organisms, spanning a spectrum from rigorous biophysics to highly contested alternative medicine
B_1_02 — Thoth — Egyptian God of Writing, Wisdom, and Cosmic Order
Thoth (Egyptian: Ḏḥwty, conventionally vocalized as Djehuty) is the Egyptian deity of writing, wisdom, measurement, the moon, magic, and cosmic order — the divine scribe who records the judgment of the dead, invents hier
ZD_1_09 — Conway's Game of Life and Recreational Mathematics
Conway's Game of Life (1970), a two-dimensional cellular automaton devised by mathematician John Horton Conway (1937–2020), stands as perhaps the most famous example of how astonishingly complex behavior can arise from e
L_1_15 — Out of Africa Alternatives: Multiregional, Assimilation, and Southern Dispersal Models
The origin and dispersal of anatomically modern humans (Homo sapiens) remains one of the most actively debated topics in paleoanthropology. The dominant model — the Recent African Origin (RAO) or "Out of Africa" hypothes
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