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.
899 results for "PER" — page 12 of 45
M_2_17 — Sphinx Water Erosion Hypothesis — Schoch Debate
The Sphinx water erosion hypothesis (WEH) — the geological argument that the Great Sphinx of Giza and its enclosure show erosion patterns consistent with prolonged rainfall rather than wind-blown sand, potentially indica
M_1_03 — Iron Pillar of Delhi — Unexplained Corrosion Resistance
The Iron Pillar of Delhi is a 7.21-meter, 6.5-tonne wrought iron column standing in the Qutb Minar complex in Mehrauli, New Delhi, dating to approximately 402 CE during the Gupta dynasty — most likely commissioned by Cha
M_1_05 — Phaistos Disc — Undeciphered Minoan Artifact
The Phaistos Disc is a fired clay disc approximately 15 cm in diameter, impressed on both sides with a spiral arrangement of 241 signs comprising 45 distinct symbols, discovered in 1908 by Italian archaeologist Luigi Per
M_1_08 — Ica Stones and Acámbaro Figurines
The Ica stones and Acámbaro figurines are two separate collections of artifacts cited in forbidden archaeology and creationist literature as alleged evidence that humans coexisted with dinosaurs — a claim that contradict
A_1_23 — Proto-Writing & Token Systems: Precursors to Cuneiform
The invention of writing in Mesopotamia around 3200 BCE was not a sudden innovation but the culmination of an 8,000-year evolution of information recording technologies. Beginning with simple geometric clay tokens in the
A_1_22 — Proto-Writing Development and Precursors to Cuneiform
The transition from pre-literate record-keeping to cuneiform script spanned approximately 5,000 years, from small geometric clay tokens used for commodity tracking in the Neolithic (c. 8000 BCE) through the emergence of
A_1_21 — Sumerian & Babylonian Astronomical Texts: MUL.APIN and the Astral Sciences
MUL.APIN (literally "Star of the Plough") is the most comprehensive surviving astronomical compendium from ancient Mesopotamia, preserved on two cuneiform tablets cataloging stars, constellations, planetary periods, inte
A_2_18 — Old Testament Wisdom Literature: Job, Proverbs, and Ecclesiastes
Old Testament Wisdom Literature (Ḥokmah) encompasses three canonical books — Proverbs, Job, and Ecclesiastes (Qoheleth) — and, in the broader canon, Sirach (Ecclesiasticus) and the Wisdom of Solomon. These texts represen
A_2_04 — Dead Sea Scrolls Expanded
The Dead Sea Scrolls (DSS), discovered between 1947–1956 in 11 caves near Qumran on the northwest shore of the Dead Sea, comprise over 900 manuscripts dating from the 3rd century BCE to the 1st century CE. Beyond their w
A_2_02 — Nag Hammadi & Gnostic Texts
The Nag Hammadi Library is a collection of 13 leather-bound papyrus codices containing 52 texts, discovered in 1945 near Nag Hammadi, Upper Egypt. Written in Coptic and dated to the 3rd–4th centuries CE (with originals p
A_4_19 — Maya Codices: Dresden, Madrid, and Paris Manuscripts
The Maya codices are the only surviving pre-Columbian books from the Maya civilization — folding-screen manuscripts made of bark paper (huun) covered in lime plaster and painted with hieroglyphic texts and illustrations
A_4_04 — The Kojiki: Japan's Record of Ancient Matters
The Kojiki ("Record of Ancient Matters"), completed in 712 CE, is the oldest surviving literary work in Japan and the primary source for Shinto mythology and the divine origin of the Japanese imperial line. Compiled by Ō
A_4_40 — Avesta & Zoroastrian Scripture
The Avesta is the primary collection of sacred texts in Zoroastrianism, the ancient Persian religion founded by the prophet Zarathustra (Zoroaster), traditionally dated between 1500–1000 BCE. The oldest section, the Gath
A_4_24 — Dhammapada: Verses of the Buddhist Path
The Dhammapada ("Verses of the Dharma/Teaching" or "Path of Dharma") is the most widely read and translated text of Theravada Buddhism — a collection of 423 verses in 26 chapters (vagga), presenting the core ethical and
A_4_23 — Bundahishn: Zoroastrian Creation and Cosmic Battle
The Bundahishn (Bundahišn, "Primal Creation") is the most important Zoroastrian cosmogonical text, composed in Middle Persian (Pahlavi) during the 9th century CE but preserving traditions that are centuries or millennia
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_3_02 — The Egyptian Pyramid Texts: Oldest Religious Literature on Earth
The Pyramid Texts are the oldest substantial body of Egyptian funerary literature ever discovered and among the oldest substantial religious corpora of any civilization — inscribed on the interior walls of Old Kingdom py
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_06 — Orphic Hymns, Tablets, and the Orphic Tradition
The Orphic tradition represents one of the most influential yet enigmatic religious movements of the ancient Greek world, centered on the mythical poet-musician Orpheus, who was believed to have descended to the underwor
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
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