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.
155 results for "South Atlantic Anomaly" — page 4 of 8
W_5_10 — Tamil Sangam Civilization and Dravidian Heritage
The Sangam period (c. 3rd century BCE – 3rd century CE, with literary traditions extending to ~5th century CE) represents the earliest extensively documented phase of Tamil civilization in southern India — a cultural, li
ZH_4_13 — African Stellar Calendars: Borana, Mursi, Tswana
African stellar calendars represent some of the most sophisticated naked-eye observational systems in the ethnographic record, yet remain among the least studied in archaeoastronomy — a gap that reflects colonial biases
ZH_4_03 — Star Myths and Constellation Stories Across Cultures
Every human culture that has observed the night sky has organized the visible stars into patterns — constellations, asterisms, and star groups — and woven them into narrative frameworks that encode cosmological beliefs,
ZH_3_14 — Nighttime Navigation Without Instruments: Stars, Moon, and Memory
For most of human history, navigators crossing deserts, oceans, and arctic wastes found their way using the stars, the Moon, the Sun's position, and memory — without magnetic compasses, chronometers, or sextants. Non-ins
C_5_13 — Vietnamese and Indochinese Dragon-Serpent Traditions
The dragon-serpent traditions of Vietnam, Cambodia, Laos, and Thailand represent a distinctive regional synthesis of indigenous aquatic serpent veneration with both Chinese dragon symbolism (from the north) and Indian Na
ZF_2_21 — Sargassum Bloom Crisis
The Great Atlantic Sargassum Belt (GASB) — an unprecedented, continent-spanning mass of floating Sargassum macroalgae stretching from West Africa to the Gulf of Mexico — has emerged since 2011 as one of the most dramatic
ZF_3_09 — Ocean Currents and Human Migration Patterns
Ocean currents have shaped human migration, trade, and cultural exchange throughout prehistory and history — functioning as both highways and barriers that profoundly influenced which populations could reach which coastl
ZF_3_04 — USOs: Unidentified Submerged Objects and Trans-Medium Phenomena
Unidentified Submerged Objects (USOs) — anomalous craft or phenomena observed entering, exiting, or operating beneath the ocean surface — represent one of the most intriguing and least explained categories of unidentifie
ZF_1_09 — Thermohaline Circulation and Ocean Conveyor
The thermohaline circulation (THC) — often called the "global ocean conveyor belt" — is the large-scale, density-driven system of deep ocean currents that redistributes heat, salt, carbon, and nutrients throughout the wo
ZF_1_06 — Arctic and Antarctic Ocean Systems
The Arctic and Antarctic ocean systems — the planet's polar marine environments — play disproportionately critical roles in global ocean circulation, climate regulation, and marine biodiversity. The Arctic Ocean (~14.06
ZF_1_01 — Physical Oceanography: Thermohaline Circulation, Currents, and ENSO
Physical oceanography studies the motion, properties, and dynamics of the global ocean — a system containing 97% of Earth's water, covering 71% of the surface, and storing over 90% of the excess heat from anthropogenic c
ZF_1_19 — AMOC Collapse Risk
The Atlantic Meridional Overturning Circulation (AMOC) — a system of ocean currents carrying warm surface water northward through the Atlantic and returning cold, dense water at depth — is one of Earth's most critical cl
E_3_04 — Doggerland and Sundaland — Drowned Continental Shelves
Doggerland and Sundaland represent two of the most significant landmasses lost to post-glacial sea level rise, together encompassing hundreds of thousands of square kilometers of habitable terrain that was progressively
E_3_19 — Volcanic Aerosol Forcing and Historical Climate Disruption
Explosive volcanic eruptions inject sulfur dioxide (SO₂) into the stratosphere, where it converts to sulfate aerosol particles (H₂SO₄) that reflect incoming solar radiation and cool Earth's surface for 1–3 years. This pr
E_3_20 — Dansgaard-Oeschger Events: Rapid Climate Oscillations
Dansgaard-Oeschger (D-O) events are rapid climate oscillations first identified in Greenland ice cores, characterized by abrupt warming of 8–16°C over Greenland within decades, followed by gradual cooling over centuries
E_2_09 — Heinrich Events and Bond Cycles: Millennial-Scale Climate Oscillations
Heinrich events are episodes of massive iceberg discharge from the Laurentide Ice Sheet through Hudson Strait into the North Atlantic, depositing distinctive layers of ice-rafted debris (IRD) across the ocean floor. Firs
E_4_26 — Younger Dryas Impact Evidence: A Comprehensive Review
The Younger Dryas Impact Hypothesis (YDIH) proposes that one or more extraterrestrial objects (comet or asteroid fragments) struck or exploded over the Earth approximately 12,900 years ago (12.9 ka BP), triggering the Yo
E_4_27 — Chicxulub Impact and the K-Pg Mass Extinction
The Chicxulub impact was a catastrophic asteroid strike that occurred approximately 66.043 ± 0.011 million years ago at what is now the Yucatan Peninsula, Mexico, marking the boundary between the Cretaceous and Paleogene
E_1_06 — Chicxulub Impact and the K-Pg Boundary
Approximately 66 million years ago, at the boundary between the Cretaceous and Paleogene periods (K-Pg boundary, formerly K-T boundary), a ~10 km diameter asteroid struck what is now the Yucatán Peninsula of Mexico, crea
E_5_03 — The End-Triassic Mass Extinction
The End-Triassic mass extinction (c. 201.564 ± 0.015 million years ago) was one of the "Big Five" mass extinctions in Earth's history, eliminating approximately 76% of all species and ~50% of genera, clearing the ecologi
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