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.
1,159 results for "ba" — page 9 of 58
V_4_03 — Geometric Probability and Buffon's Needle
Geometric probability assigns probabilities to random geometric events — needle drops, random points in regions, random lines intersecting figures — formalizing questions that blend chance with spatial structure. Buffon'
V_4_27 — Bayesian Inference: Probabilistic Reasoning from Bayes to Machine Learning
Bayesian inference — the mathematical framework for updating beliefs in light of evidence — has become the dominant paradigm in statistics, machine learning, cognitive science, and philosophy of science. Named after Reve
V_3_01 — Statistics & Probability: Pascal to Bayes
Probability and statistics — the mathematics of uncertainty — emerged as formal disciplines from the Pascal-Fermat correspondence (1654) on the "problem of points" (how to divide stakes in an interrupted game of chance),
A_2_15 — Sefer Yetzirah: Book of Formation and Jewish Mystical Cosmology
The Sefer Yetzirah (Sēfer Yĕṣîrāh, "Book of Formation" or "Book of Creation") is the earliest extant work of Jewish mystical-cosmological speculation, a compact and cryptic treatise — only 1,300–2,500 words depending on
A_4_35 — Chinese Millenarian Sacred Texts
Chinese millenarian sacred texts constitute a vast, largely unstudied corpus of sectarian religious literature produced over more than a thousand years (Song dynasty through the 20th century) by heterodox religious movem
A_3_17 — Punic & Carthaginian Sacred Texts
The Punic (Western Phoenician) civilization, centered on Carthage (modern-day Tunisia, founded traditionally in 814 BCE by emigrants from Tyre), was one of the great Mediterranean powers for over six centuries — yet its
U_1_12 — Hip-Hop Culture: MCing, DJing, Breaking, and Graffiti as Art Form
Hip-hop — originating in the South Bronx, New York City, in the early-to-mid-1970s — is among the most culturally consequential artistic movements of the 20th century, growing from block-party culture in economically dev
X_1_17 — African Traditional Medicine
African traditional medicine (ATM) encompasses the diverse healing systems of sub-Saharan Africa, serving approximately 80% of the continent's population as a primary or complementary healthcare resource (WHO estimate).
W_1_25 — Dilmun: Sacred Land of the Persian Gulf
Dilmun (Sumerian: NI.TUK.KI; also spelled Telmun) was an ancient civilization and trading polity centered on present-day Bahrain, with extensions to Failaka Island (Kuwait), the eastern Arabian coastal region, and possib
W_2_21 — The Khmer Empire and Angkor
The Khmer Empire (~802–1431 CE), centered in present-day Cambodia, was one of the most powerful and spatially extensive states in Southeast Asian history, and its capital Angkor was the largest preindustrial city on Eart
W_2_23 — Pyu City-States
The Pyu city-states (c. 200 BCE – 1050 CE) were the earliest urbanized polities in mainland Southeast Asia, located in the dry zone and Irrawaddy River valley of modern Myanmar (Burma). Three major walled cities — Beikth
ZH_5_16 — Eclipse Prediction and the Saros Cycle
The Saros cycle — a period of approximately 6,585.3 days (18 years, 11 days, 8 hours) after which the Sun, Moon, and lunar nodes return to nearly identical relative positions — has been the primary tool for eclipse predi
ZH_2_19 — Petra Astronomical Alignments
Petra — the Nabataean capital carved into sandstone cliffs in southern Jordan, active from approximately 400 BCE to 106 CE — contains a sophisticated network of astronomical alignments integrated into its monumental arch
ZH_1_19 — Origins of the Zodiac
The zodiac — the band of ~8° on either side of the ecliptic (the Sun's apparent annual path across the sky) divided into 12 equal 30° segments, each named after a constellation — originated in Mesopotamian astronomy duri
E_4_12 — Dendrochronology: Tree-Ring Science and Precise Ancient Dating
Dendrochronology — the science of dating based on the analysis of tree-ring growth patterns — is one of the most precise dating methods available to archaeology, climatology, and ecology. Pioneered by Andrew Ellicott Dou
E_5_03 — The End-Triassic Mass Extinction
The End-Triassic mass extinction (c. 201.564 ± 0.015 million years ago) was one of the "Big Five" mass extinctions in Earth's history, eliminating approximately 76% of all species and ~50% of genera, clearing the ecologi
J_5_13 — Mesopotamian Technology Survey: Innovations of the Fertile Crescent
Mesopotamia — the land between the Tigris and Euphrates rivers (modern Iraq, northeastern Syria, southeastern Turkey, southwestern Iran) — is often called the "Cradle of Civilization," and the claim is justified not mere
INTERDOC_52 — Distributed Cognition: Decentralized Information Networks Across Biology
Cognition — defined functionally as adaptive information processing, decision-making, and memory — is implemented across biology in many architectures other than the centralized animal nervous system. Mycorrhizal fungal
ZB_3_19 — Permafrost Methane
Permafrost — permanently frozen ground maintained at or below 0°C for at least two consecutive years — underlies approximately 22% of the Northern Hemisphere land surface (about 23 million km²), primarily across Siberia,
ZB_3_06 — Fire Ecology
Fire ecology studies fire as a natural ecological process — a fundamental disturbance agent that shapes vegetation structure, species composition, nutrient cycling, and landscape patterns across much of Earth's terrestri
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