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.
1,390 results for "Book of Two Ways" — page 9 of 70
A_4_10 — I Ching (Yijing) — The Classic of Changes
The I Ching (易經, Yìjīng, "Classic of Changes") is one of the oldest continuously used texts in human history, originating from Shang dynasty oracle bone divination (~1200 BCE) and formalized during the Western Zhou perio
A_4_14 — Shan Hai Jing (Classic of Mountains and Seas)
The Shan Hai Jing (山海經, "Classic of Mountains and Seas") is one of the most extraordinary texts of the ancient Chinese literary corpus — an encyclopedic compendium of mythological geography, zoology, mineralogy, and cosm
A_3_01 — Kebra Nagast: The Glory of Kings (Ethiopian)
The Kebra Nagast ("Glory of Kings") is a 14th-century CE Ethiopian text — written in Ge'ez, the classical Ethiopian liturgical language — that serves as the foundation myth of the Solomonic dynasty of Ethiopia and the sp
A_3_12 — Epic of Sundiata: Mandinka Foundation Myth and West African Oral Epic
The Epic of Sundiata (Sunjata, Soundjata, Son-Jara) is the foundational oral epic of the Mandinka (Manding) peoples of West Africa, narrating the life of Sundiata Keita (c. 1217–1255 CE), the historical founder of the Ma
U_1_01 — Music Theory, Harmonic Series, and the Physics of Sound
Music theory intersects physics, mathematics, and human perception in ways that have fascinated thinkers since Pythagoras first demonstrated that pleasing musical intervals correspond to simple numerical ratios on a mono
U_3_11 — Board Games and Games of Strategy
Board games — structured games played on a marked surface (board) with pieces, dice, cards, or tokens according to defined rules — are among the oldest and most culturally revealing human artifacts. Ancient games: the Ro
U_5_31 — Chauvet Cave: Paleolithic Art and the Origins of Human Visual Expression
The Chauvet-Pont-d'Arc Cave (Grotte Chauvet), discovered on December 18, 1994, by speleologists Jean-Marie Chauvet, Éliette Brunel, and Christian Hillaire in the Ardèche gorge of southern France, contains some of the old
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_13 — Bioethics of Human Experimentation: From Nuremberg to Informed Consent
The bioethics of human experimentation traces the long, often harrowing history of how humans have been used as subjects in medical and scientific research — and the ethical, legal, and institutional frameworks developed
X_4_11 — Bioethics of Enhancement
The bioethics of enhancement addresses the moral, social, and philosophical questions raised by using medical and technological interventions not merely to treat disease or restore function, but to augment normal human c
W_3_13 — Zanzibar and East African Trade Networks: Spice, Slaves, and Swahili Culture
Zanzibar — the archipelago off the coast of modern Tanzania — and the Swahili coast stretching from southern Somalia to northern Mozambique were the nexus of one of history's great maritime trade networks, connecting the
W_5_37 — The House of Wisdom: Baghdad and the Islamic Golden Age of Knowledge
The House of Wisdom (Bayt al-Ḥikma) was a major intellectual institution in Baghdad during the Abbasid Caliphate (est. c. 762 CE), reaching its zenith under Caliph al-Maʾmūn (r. 813–833 CE). While its exact nature — libr
ZH_3_08 — Archaeoastronomy of Mesoamerica: Teotihuacan, Monte Albán
Mesoamerican archaeoastronomy encompasses the astronomical knowledge and celestial alignments embedded in the architecture, urban planning, calendrical systems, and ritual practices of civilizations from central Mexico t
ZH_5_21 — Precession of the Equinoxes: The Great Year and Ancient Awareness
The precession of the equinoxes — the slow westward drift of the vernal equinox point along the ecliptic, completing a full cycle in approximately 25,772 years (the "Great Year" or "Platonic Year") — is the longest astro
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
C_5_38 — Sky Burial: Excarnation, Ritual Exposure, and the Sacred Treatment of the Dead
Sky burial (jhator in Tibetan, meaning "giving alms to the birds") is a funerary practice in which the body of the deceased is placed on an elevated, open-air site and exposed to the elements and to carrion birds — prima
C_5_26 — World Age Doctrine: Cycles of Creation and Destruction
The World Age Doctrine — the belief that cosmic time is divided into successive ages or epochs, each ending in destruction and giving way to the next — is one of the most widespread cosmological frameworks in human thoug
C_5_01 — Cognitive Anthropology of Serpent Archetypes
This document examines the evolutionary and cognitive science explanations for why serpent beings appear in virtually every human culture. Snake Detection Theory (Isbell, 2009) proposes that primates evolved superior vis
C_3_02 — Language Origins and the Tower of Babel
How did language begin? This is "the hardest problem in science" (Christiansen & Kirby 2003). The Linguistic Society of Paris banned all papers on language origins in 1866 because the topic produced more speculation than
C_3_07 — Initiation Rites, Coming of Age, and Ritual Transformation
Initiation rites — structured rituals transforming an individual from one social/spiritual status to another — are among the most universal and ancient human cultural practices. Arnold van Gennep (1909) identified the th
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