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.
2,633 results for "Zheng He" — page 89 of 132
O_3_17 — Ocean Acoustic Phenomena: The Bloop, the 52-Hz Whale, and SOFAR Channel Mysteries
The ocean produces a rich acoustic environment, and several unexplained or initially mysterious sound detections have captured scientific and public attention since the deployment of deep-ocean hydrophone arrays. [KEY FI
O_3_05 — Rivers as Arteries — Freshwater Systems and Sacred Hydrology
Rivers have served as the circulatory system of human civilization since the earliest settlements along the Tigris-Euphrates, Nile, Indus, and Yellow River valleys. Across virtually every culture, rivers are not merely r
O_3_10 — Sargasso Sea and Ocean Gyres
Ocean gyres are large-scale, semi-permanent circular current systems driven by the interaction of wind stress, the Coriolis effect, and continental boundaries — there are five major subtropical gyres (North Atlantic, Sou
O_3_14 — Methane Seeps and Gas Hydrates: Ocean Floor Degassing
Methane seeps (also called "cold seeps") are locations on the ocean floor — particularly along continental margins, in subduction zones, and in deep basins — where methane (CH₄) bubbles or dissolved methane leaks from su
O_3_02 — Sacred Water: Wells, Springs, and Purification Rites
Water occupies a unique position in human religious experience — simultaneously the substance of creation (primordial waters from which the cosmos emerged), the medium of purification (baptism, mikveh, wuḍūʾ), the portal
O_5_18 — Subterranean Worlds: Caves, Catacombs, and Underground Heritage
Humanity has a deep and ancient relationship with the underground — from Paleolithic cave sanctuaries decorated 40,000+ years ago, to engineered underground cities capable of sheltering tens of thousands (Derinkuyu, Capp
O_5_03 — Wildfires, Fire Ecology, and Pyrogeography
Fire is one of Earth's most powerful and pervasive ecological forces — not an aberration but a fundamental natural process that has shaped terrestrial ecosystems for at least 420 million years (the earliest charcoal evid
O_5_09 — Karst Topography: Towers, Sinkholes, and Dissolved Landscapes
Karst topography is a distinctive landscape formed by the chemical dissolution of soluble bedrock — primarily limestone (CaCO₃), but also dolomite, gypsum, and evaporites — by naturally acidic water (CO₂-enriched rainwat
O_5_11 — Antarctic Anomalies: Dry Valleys, Blood Falls, and Sub-Ice Geology
Antarctica — the coldest, driest, highest, and windiest continent — harbors an extraordinary array of geological, chemical, and biological anomalies that challenge common assumptions about what constitutes an "uninhabita
O_5_15 — Climate Stability Mechanisms: Feedbacks, Tipping Points, and Earth System Resilience
Earth's climate has maintained conditions hospitable to life for approximately 4 billion years despite dramatic variations in solar luminosity (the Sun was ~30% fainter in the Archean than today — the Faint Young Sun par
O_5_02 — Soil Biomes and Underground Ecosystems
Beneath every terrestrial landscape lies one of Earth's most complex and least understood ecosystems — the soil biome, a living matrix containing an estimated 25% of all species on Earth (Decaëns et al., 2006) and proces
T_4_06 — Cross-Cultural Psychology
Cross-cultural psychology investigates how culture shapes human thought, emotion, and behavior — and which psychological processes are universal versus culturally specific. The field distinguishes between etic approaches
T_4_03 — Group Psychology and Crowd Behavior
Group psychology examines how individuals' thoughts, feelings, and behaviors are influenced by the presence and actions of others — from small groups to mass crowds. Foundational research includes Gustave Le Bon's The Cr
T_4_01 — Psychology of Belief & Conspiracy Thinking
The psychology of conspiracy thinking examines why individuals adopt beliefs in secret plots by powerful actors to achieve malevolent goals — beliefs that often resist disconfirmation and form interconnected "monological
T_4_11 — Propaganda and Persuasion: Techniques, Psychology, and Modern Information Warfare
Propaganda — the systematic dissemination of information (true, distorted, or fabricated) to shape public attitudes, beliefs, and behaviors in service of a particular agenda — and persuasion — the art and science of chan
T_4_17 — Parasocial Relationships: One-Sided Bonds with Media Figures
Parasocial relationships — the one-sided emotional bonds that audiences form with media personalities, fictional characters, and public figures — were first described by sociologists Donald Horton and Richard Wohl in the
T_2_07 — Psychology of Addiction
Addiction — compulsive engagement with a substance or behavior despite harmful consequences — is now understood as a chronic brain disorder involving neuroplastic changes in reward, motivation, memory, and executive cont
T_2_02 — Neurodiversity — Cognitive Variation as Adaptive Spectrum
The neurodiversity paradigm, articulated by sociologist Judy Singer in 1998, frames neurological differences—including autism, ADHD, dyslexia, synesthesia, Tourette syndrome, and other developmental conditions—not as pat
T_2_21 — Collective Trauma Psychology
Collective trauma refers to the psychological impact of traumatic events experienced by entire communities, populations, or cultural groups — events such as genocide, slavery, colonialism, war, natural disasters, and pan
T_2_04 — Positive Psychology & Wellbeing Science
Positive psychology — the scientific study of what makes life worth living — was formally launched by Martin Seligman in his 1998 APA presidential address, shifting psychology's traditional focus from pathology and dysfu
BROWSE BY SECTION — 3,721 documents across 34 fields