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.
2,646 results for "SI second" — page 48 of 133
O_5_13 — Paleosols and Ancient Soils: Climate Records in Earth
Paleosols — ancient soils preserved in the geological record — are among the most valuable but often overlooked records of past environmental conditions. When soils are buried by subsequent sedimentation (flooding, volca
T_4_08 — Behavioral Economics and Nudge Theory
Behavioral economics integrates psychology into economic models, challenging the rational agent (homo economicus) assumption of classical economics. The field was established by Daniel Kahneman and Amos Tversky's Prospec
T_2_22 — Psychopathy Neuroscience
Psychopathy is a personality disorder characterized by persistent antisocial behavior, impaired empathy and remorse, bold and disinhibited traits, and often superficial charm — affecting an estimated 1% of the general po
T_2_16 — Body Dysmorphic Disorder
Body dysmorphic disorder (BDD) is a psychiatric condition characterized by persistent, distressing preoccupation with perceived defects or flaws in physical appearance that are not observable or appear slight to others.
T_1_13 — Object Relations Theory: Internal Worlds, Attachment, and the Relational Self
Object relations theory — the most influential post-Freudian psychoanalytic tradition — shifted the focus of psychoanalysis from Freud's drive theory (instinctual drives seeking discharge) to the primacy of relationships
T_3_13 — Flow States: Optimal Experience, Peak Performance, and the Psychology of Engagement
Flow — the state of complete absorption in an activity where action and awareness merge, self-consciousness fades, time perception distorts, and performance feels effortless yet optimal — was first systematically describ
T_5_08 — The Psychology of Awe and Wonder: Vastness, Self-Diminishment, and Transformative Experience
Awe — the emotion arising from encounters with vast, powerful, or complex phenomena that exceed one's current mental frameworks and demand cognitive accommodation (schema revision) — has emerged since the early 2000s as
T_5_23 — Psychogeography: Environment, Perception, and the Politics of Space
Psychogeography — the study of how geographic environments affect emotions, behavior, and perception — originated as a radical political and artistic practice within the Situationist International of the 1950s–60s, led b
D_2_13 — Palmyra: Crossroads of Civilizations
Palmyra (ancient Tadmor; Arabic: Tadmur) — an oasis city in the Syrian desert approximately 215 km northeast of Damascus — rose to extraordinary prominence between the first and third centuries CE as a caravan trade hub
D_2_21 — Black Sea Deluge: Archaeological Evidence for Rapid Flooding
The Black Sea Deluge Hypothesis proposes that the Black Sea — now a large saline body connected to the Mediterranean via the Bosporus Strait — was once a significantly smaller, lower freshwater lake during the Last Glaci
D_2_12 — Knossos and Minoan Palatial Architecture
Knossos — located approximately 5 km south of modern Heraklion on the island of Crete — is the largest and most famous Bronze Age palatial complex in the Aegean world, serving as the political, economic, and ceremonial c
D_1_08 — Tiwanaku and Puma Punku Deep Dive
Tiwanaku, situated at 3,825m elevation on the Bolivian Altiplano near the shores of Lake Titicaca, was the highest-altitude imperial capital in the ancient world. Flourishing from approximately 300 to 1000 CE, its influe
D_1_10 — Petra — Rock-Cut Architecture and Hydrological Engineering
Petra, the ancient Nabataean capital hidden within the sandstone mountains of southern Jordan, represents one of the most extraordinary achievements in rock-cut architecture. Established as the Nabataean capital by the 4
D_1_25 — Ollantaytambo: Megalithic Engineering in the Sacred Valley
Ollantaytambo (Quechua: Ullantaytampu) is a monumental Inca archaeological site at 2,792 m elevation in the Sacred Valley (Urubamba Valley) of Peru, approximately 72 km northwest of Cusco. It served simultaneously as a r
D_1_07 — Teotihuacan — City of the Gods
Teotihuacan — the name itself meaning "the place where gods were born" in Nahuatl, given by the Aztecs who found the city already in ruins — was one of the largest cities in the ancient world, reaching a peak population
D_1_09 — Newgrange, Knowth, and Passage Tomb Astronomy
Newgrange, constructed around 3200 BCE in the Boyne Valley (Brú na Bóinne) of County Meath, Ireland, is one of the most remarkable Neolithic structures in the world — older than the Egyptian pyramids by approximately 700
D_1_18 — Taş Tepeler: Pre-Pottery Neolithic Ritual Network of Southeastern Turkey
Taş Tepeler ("Stone Hills") is a Turkish government-sponsored archaeological research program and site network encompassing at least 12 Pre-Pottery Neolithic (PPN) sites in the Şanlıurfa Province of southeastern Turkey,
D_1_17 — Cahokia & Monks Mound
Cahokia, located near present-day Collinsville, Illinois, was the largest pre-Columbian settlement north of Mexico and the center of Mississippian culture. At its peak around 1050–1200 CE, the city covered approximately
D_1_02 — Pyramids Worldwide
Pyramidal structures appear on every inhabited continent — Egypt, Mesoamerica, China, Sudan, Indonesia, and beyond. The Great Pyramid of Giza (2560 BCE) remains the most precisely engineered ancient structure known, with
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
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