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.
3,697 results for "vitamin D" — page 147 of 185
V_2_13 — Measure Theory and Integration
Measure theory provides the rigorous mathematical foundation for the concepts of length, area, volume, and probability — and the integration theory built upon them. Developed primarily by Henri Lebesgue (1902), it resolv
V_2_15 — Galois Theory and Field Extensions
Galois theory, developed by Évariste Galois (1811-1832) in the last years of his tragically short life, is one of the great triumphs of abstract algebra — a theory connecting field extensions to group theory that definit
V_2_01 — Prime Numbers — Patterns, Mysteries, and the Riemann Hypothesis
Prime numbers — integers greater than 1 divisible only by 1 and themselves — have fascinated mathematicians since Euclid proved their infinitude (~300 BCE). Despite appearing randomly distributed, primes follow deep stat
V_2_11 — Abstract Algebra: Groups, Rings, and Fields
Abstract algebra is the study of algebraic structures — sets equipped with operations satisfying specific axioms — that generalize familiar arithmetic operations to reveal deep structural patterns across mathematics and
M_5_22 — Mesolithic Europe: Hunter-Gatherer Complexity Before Agriculture
The Mesolithic (Middle Stone Age, ~10,000–5000 BCE in Europe) — the period between the end of the last Ice Age and the arrival of farming — has been traditionally treated as a brief, uninteresting interlude between the d
M_5_07 — Impossible Ancient Maps of Antarctica: Critical Assessment
Among the most provocative claims in alternative history is the assertion that several medieval and Renaissance-era maps depict Antarctica — a continent not officially discovered until 1820 and not mapped until the 20th
M_3_10 — Ancient Astronomical Precision: Were They Really That Accurate?
Claims of extraordinary astronomical precision in ancient monuments — temples aligned to specific stars, pyramids oriented to true north within fractions of a degree, megalithic sites encoding the 25,920-year precession
M_3_13 — Out-of-Place Artifacts Systematic Evaluation
Out-of-place artifacts (OOPArts) are objects found in archaeological contexts that appear anomalous — either too technologically advanced, too old, or too far from their expected geographic origin. This document systemat
M_3_01 — Impossible Precision in Ancient Construction
The Great Pyramid of Giza and Andean polygonal masonry demonstrate engineering precision that is VERIFIED, MEASURABLE, and often difficult to explain with proposed tool kits. These are not fringe claims — they are survey
M_3_16 — Geopolymer & Ancient Concrete Hypothesis
The geopolymer hypothesis proposes that some ancient stone structures — particularly the Egyptian pyramids — were constructed not by cutting, transporting, and stacking quarried blocks, but by casting artificial stone in
M_3_05 — Serapeum of Saqqara Precision Stone Boxes
The Serapeum of Saqqara is an underground burial complex near Memphis, Egypt, where the sacred Apis bulls of the god Ptah-Sokar-Osiris were interred from at least the New Kingdom (c. 1400 BCE) through the Ptolemaic perio
M_4_08 — Sphinx Water Erosion Hypothesis
The Sphinx Water Erosion Hypothesis is the controversial geological argument that the Great Sphinx of Giza and its surrounding enclosure walls show erosion patterns consistent with prolonged exposure to rainfall (precipi
M_2_05 — Puma Punku H-Blocks — Engineering Analysis
---
M_1_01 — OOPArts Catalog (Out-of-Place Artifacts)
"Out-of-Place Artifacts" (OOPArts) are objects that appear anomalous for their age or context. This document catalogs 17 major OOPArts, individually rated. The critical finding: 4 are GENUINE (Tier 1) — real artifacts wi
M_1_07 — Crystal Skulls Examination
Crystal skulls — life-sized or near-life-sized human skull models carved from clear or milky quartz crystal — have been among the most enduring icons of alternative archaeology since the late 19th century. Approximately
M_1_11 — Baigong Pipes: Natural Formation or Anomalous Technology?
The Baigong pipes (also called the "Baigong alien ruins") are a collection of pipe-like iron-rich structures found in and around three caves on Mount Baigong (also transliterated Bai Gong Shan), near Delingha in the remo
M_1_18 — Ancient Metallurgy Anomalies
Ancient metallurgical achievements frequently surpass what conventional archaeological narratives would predict for their time periods, leading to enduring debates about the sophistication of pre-industrial materials sci
M_1_15 — Out-of-Place Artifacts: Systematic Evaluation of Anomalous Objects
"Out-of-Place Artifacts" (OOParts) — objects allegedly found in geological or archaeological contexts that seem anachronistic for their supposed age or location — have long served as cornerstones of alternative archaeolo
M_1_04 — Costa Rica Stone Spheres (Las Bolas)
The stone spheres of Costa Rica (Las Bolas or petrosferas) are over 300 pre-Columbian stone sculptures found primarily in the Diquís Delta of southern Costa Rica.
A_1_24 — Natufian Culture
The Natufian culture (c. 15,000–11,500 BP) represents the critical transitional period between mobile hunter-gatherer lifeways and settled agricultural communities in the Levant. First defined by Dorothy Garrod in 1928 f
BROWSE BY SECTION — 3,721 documents across 34 fields