RESEARCH BASE

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

3,721 Documents 34 Sections 43,625 Citations 34,852 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.

2,036 results for "CT scan" — page 90 of 102

G_2_17 Verified Modern Frameworks

G_2_17 — Biogeochemistry and Ancient Environmental Reconstruction

Biogeochemistry — the study of chemical, physical, geological, and biological processes that govern the composition and cycling of elements and compounds in natural environments — provides essential tools for reconstruct

biogeochemistry paleoenvironment proxy isotope sediment core pollen
O_1_03 Verified Earth Anomalies

O_1_03 — Geomagnetic Anomalies and Human Health Effects

Earth's geomagnetic field is not uniform — dramatic anomalies like the South Atlantic Anomaly (SAA) expose organisms and technology to increased radiation, while laboratory experiments have shown that weak magnetic field

geomagnetism South Atlantic Anomaly God Helmet Persinger geomagnetic storms magnetoreception
O_0_00 Earth Anomalies

O_0_00 — Earth Science & Anomalies: Section Summary

O_2_00 Earth Anomalies

O_2_00 — Geological Tectonic: Subfolder Summary

O_3_12 Verified Earth Anomalies

O_3_12 — Cenote and Sinkhole Ecology — Surface-Groundwater Connections

Cenotes (from the Maya ts'onot) and sinkholes — natural depressions or holes formed by the dissolution of soluble bedrock (limestone, dolostone, gypsum) in karst landscapes — are far more than geological curiosities. The

cenote sinkhole karst groundwater aquifer Yucatán
T_0_00 Psychology & Social

T_0_00 — Psychology & Social: Section Summary

T_1_19 Verified Psychology & Social

T_1_19 — Depression: Neurobiology, Treatment Evolution & Cultural Perspectives

Major depressive disorder (MDD) — affecting approximately 280 million people worldwide (WHO, 2021) and ranking as the leading cause of disability globally — is a heterogeneous condition whose neurobiology remains incompl

depression major-depressive-disorder serotonin-hypothesis ssri ketamine neuroplasticity
D_2_07 Verified Sites & Artifacts

D_2_07 — Persepolis: Achaemenid Architecture, Apadana Reliefs, and Imperial Ideology

Persepolis (Old Persian: Pārsa; modern Takht-e Jamshid, Fars Province, Iran) was the ceremonial capital of the Achaemenid Persian Empire, constructed primarily under Darius I (r. 522–486 BCE) and his son Xerxes I (r. 486

Persepolis Achaemenid Darius I Xerxes Apadana Persepolis Fortification Archive
D_1_22 Credible Sites & Artifacts

D_1_22 — Pacific Island Megalithic: Nan Madol, Lelu Ruins, and Oceanic Stone Architecture

Nan Madol — a ceremonial complex of 92 artificial islets spread across a shallow lagoon off the southeast coast of Pohnpei (Federated States of Micronesia) — is one of the most enigmatic megalithic sites on Earth and has

Nan Madol Lelu Pohnpei Kosrae Micronesia megalithic
D_5_30 Verified Sites & Artifacts

D_5_30 — Chichén Itzá: Maya Architecture, Astronomy, and Cultural Synthesis

Chichén Itzá, located in the northern Yucatán Peninsula of Mexico, is one of the largest, most diverse, and most intensively studied Maya archaeological sites, occupied from approximately 600 CE through the Spanish Conqu

Chichén Itzá Maya civilization El Castillo Kukulcán Yucatán equinox serpent
D_5_24 Credible Sites & Artifacts

D_5_24 — Acoustic Archaeology: Sound Design in Ancient Ritual Structures

Acoustic archaeology (archaeoacoustics) investigates the intentional use of sound in ancient structures — from the precisely tuned Oracle Chamber at Malta's Ħal Saflieni Hypogeum (~4000 BCE) to the resonant passage of Ne

acoustic archaeology archaeoacoustics resonance reverberation megalithic sound ritual
D_5_29 Credible Sites & Artifacts

D_5_29 — The Djed Pillar: Stability, Resurrection, and the Backbone of Osiris

The Djed pillar is one of ancient Egypt's most pervasive and enigmatic symbols — an object resembling a column with four horizontal bars near its top, associated with stability (djed = "enduring/stable"), the god Osiris,

djed pillar osiris egyptian symbolism backbone of osiris raising the djed stability
D_3_19 Credible Sites & Artifacts

D_3_19 — Spiral Geometry in Cross-Cultural Sacred Art and Architecture

The spiral is among the most universal motifs in human visual culture, appearing independently across every inhabited continent from the Paleolithic to the present. From the triple spiral (triskele) at Newgrange (c. 3200

spiral-geometry spiral-symbolism newgrange nazca fibonacci-spiral golden-spiral
B_0_00 Beings & Entities

B_0_00 — Beings & Entities: Section Summary

B_4_00 Beings & Entities

B_4_00 — Spirit Categories Functions: Subfolder Summary

B_4_06 Verified Beings & Entities

B_4_06 — Djinn Ecology — Classification, Habitat, and Interaction Traditions

The Islamic tradition preserves the most elaborate and internally consistent classification system for non-human intelligent beings in any world religion. Jinn (al-jinn) — created from "smokeless flame" (mārijin min nār,

djinn jinn Marid Ifrit Si'la Ghul
B_2_02 Beings & Entities

B_2_02 — Anunnaki Connection

The Anunnaki are a group of deities in ancient Sumerian, Akkadian, Assyrian, and Babylonian mythology. Their name means "Princely Offspring" or "Those of Royal Blood." In original texts they are anthropomorphic gods who

Anunnaki Igigi Enlil Enki Anu Nibiru
B_3_02 Verified Beings & Entities

B_3_02 — Wadjet (Wadjyt) and Uraeus: Egyptian Cobra Protector

Wadjet is a core Egyptian cobra goddess tied to Lower Egypt and royal protection. The Uraeus motif (rearing cobra on royal regalia) represents her power, paired with Nekhbet as the "Two Ladies" of unified kingship. Evide

Wadjet Wadjyt Uto Buto Per-Wadjet Uraeus
ZD_3_00 Information & Computation

ZD_3_00 — Systems Architecture: Subfolder Summary

ZD_3_06 Verified Information & Computation

ZD_3_06 — Internet Architecture and Protocols

The Internet — a global network of interconnected networks — is arguably the most transformative technology of the late 20th century, connecting >5 billion users worldwide. Its architecture reflects deliberate design cho

internet TCP/IP protocol packet switching ARPANET HTTP