RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 documents 34 sections 43,623 citations 34,854 keywords indexed 4 evidence tiers

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.

1,297 results for "da Vinci" — page 17 of 65

M_1_03 Forbidden Archaeology

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

Iron Pillar of Delhi corrosion resistance Gupta period wrought iron phosphorus misawite
M_1_06 Forbidden Archaeology

M_1_06 — Roman Dodecahedra — Hundreds of Mysterious Artifacts

Roman dodecahedra are small hollow bronze (occasionally stone or lead) objects with 12 pentagonal faces, each containing a circular hole of varying diameter, with knobs or protuberances at each of the 20 vertices.

Roman dodecahedra bronze dodecahedron Gallo-Roman icosahedron pentagonal faces circular holes
A_0_00 Foundations

A_0_00 — Foundations: Section Summary

A_1_17 Verified Foundations

A_1_17 — The Gilgamesh Epic: Complete Analysis and Legacy

The Epic of Gilgamesh is the oldest substantial work of literature in human history, composed across approximately 1,500 years in multiple Sumerian and Akkadian recensions — from independent Sumerian poems (c. 2100 BCE)

Gilgamesh Enkidu Uruk Sumerian Akkadian flood narrative
A_2_12 Verified Foundations

A_2_12 — Pistis Sophia: Gnostic Cosmology of Light and Redemption

The Pistis Sophia ("Faith Wisdom") is a major Gnostic text preserved in the Askew Codex (British Library, Add. MS 5114), a 4th–5th century CE Coptic manuscript containing four books of post-resurrection teachings attribu

Pistis Sophia Gnostic Coptic aeons archons light
A_2_09 Credible Foundations

A_2_09 — Ouroboros: Eternal Return and the Serpent Eating Its Tail

The ouroboros (also uroboros; from Greek οὐροβόρος, oura "tail" + boros "eating/devouring") — the image of a serpent or dragon eating its own tail, forming a closed circle — is one of the most ancient, most widespread, a

ouroboros uroboros serpent tail-eating serpent eternal return cyclical time
A_2_10 Verified Foundations

A_2_10 — Gospel of Thomas: Sayings Gospel and Hidden Wisdom

The Gospel of Thomas is a collection of 114 sayings (logia) attributed to "the living Jesus," preserved in a complete Coptic translation within the Nag Hammadi library (Codex II, discovered 1945 in Upper Egypt) and in fr

Gospel of Thomas Nag Hammadi sayings gospel logia Gnostic Didymos Judas Thomas
A_2_20 Verified Foundations

A_2_20 — Odes of Solomon: Early Christian Mystical Hymns

The Odes of Solomon are a collection of 42 hymns dating to the late 1st or early 2nd century CE, composed originally in Syriac (or possibly Greek), making them the earliest surviving Christian hymnal. Rediscovered in 190

Odes of Solomon Syriac hymns early Christian mysticism pseudepigrapha baptismal liturgy bridal mysticism
A_4_19 Verified Foundations

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

Maya codices Dresden Codex Madrid Codex Paris Codex Grolier Codex bark paper
A_4_40 Verified Foundations

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

avesta zoroastrianism zarathustra ahura mazda gathas vendidad
A_4_25 Verified Foundations

A_4_25 — Jain Agamas: Canonical Scriptures of Non-Violence and Asceticism

The Jain Agamas (Āgama, "tradition/scripture") are the canonical scriptures of Jainism, one of the world's oldest continuously practiced religions. The teachings are attributed to Mahāvīra (Vardhamāna, c. 599–527 BCE or

Jain Agamas Jainism Mahavira ahimsa non-violence Shvetambara
A_3_18 Credible Foundations

A_3_18 — Etruscan Sacred Texts: The Liber Linteus and Ritual Tradition

The Etruscans (self-named Rasenna/Rasna) were the dominant civilization of pre-Roman Italy (c. 900–100 BCE), controlling much of central Italy from their homeland in Etruria (modern Tuscany, Umbria, and northern Lazio).

Etruscan Liber Linteus Zagreb mummy Tabula Capuana haruspicy liver divination
A_3_16 Verified Foundations

A_3_16 — Renaissance Esotericism: Hermeticism, Ficino & the Occult Revival

The Italian Renaissance witnessed a dramatic revival of Hermetic, Neoplatonic, and Kabbalistic thought that fundamentally shaped Western intellectual history. In 1463, Cosimo de' Medici commissioned Marsilio Ficino to tr

renaissance-esotericism hermeticism marsilio-ficino pico-della-mirandola corpus-hermeticum prisca-theologia
U_1_12 Credible Art, Music & Culture

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

hip-hop rap MCing DJing breakdancing breaking
U_1_07 Verified Art, Music & Culture

U_1_07 — Music and Social Movements

Music and social movements have been inseparable throughout history — music serves as a vehicle for collective identity, emotional mobilization, coded communication, and cultural memory in struggles for justice, labor ri

protest music folk music civil rights labor movement spirituals freedom songs
U_1_21 Credible Art, Music & Culture

U_1_21 — Cymatics & Sound Geometry

Cymatics is the study of visible sound and vibration — the science of how acoustic frequencies create geometric patterns in physical media such as sand, water, powder, and colloidal suspensions placed on vibrating surfac

cymatics Hans Jenny sound geometry Chladni figures resonance patterns vibrational frequency
U_1_15 Credible Art, Music & Culture

U_1_15 — Jazz: Improvisation, African Roots, and Cultural Revolution

Jazz — America's most original and influential art form — emerged in the early 20th century from the convergence of African rhythmic and improvisational traditions, African American blues and work songs, European harmony

jazz improvisation blues swing bebop cool jazz
U_3_09 Verified Art, Music & Culture

U_3_09 — Metalwork and Blacksmithing Traditions

Metalworking — the shaping of metals by heating, hammering, casting, and alloying — is one of humanity's most transformative technological achievements and a major domain of artistic expression. Origins: native copper wa

metalwork blacksmithing forging wrought iron bronze casting goldsmithing
U_3_18 Verified Art, Music & Culture

U_3_18 — Ancient Metallurgy and Material Innovation

Ancient metallurgy — the extraction, alloying, and shaping of metals from raw ores — was among the most transformative technological achievements of human civilization, enabling new tools, weapons, agricultural implement

ancient-metallurgy bronze-age iron-smelting copper alloys bloomery
U_5_11 Credible Art, Music & Culture

U_5_11 — Censorship in Art: Suppression of Creative Expression Through History

Censorship of art — the suppression, alteration, or prohibition of creative works by political, religious, or social authorities — is as old as civilization itself and has taken forms from the destruction of physical obj

censorship art book burning banned books obscenity Index Librorum Prohibitorum