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.

2,307 results for "Wheel of the Year" — page 71 of 116

K_2_12 Verified Consciousness

K_2_12 — Neural Oscillations and Brainwave Consciousness

Neural oscillations — rhythmic fluctuations in the electrical activity of neuronal populations — are among the most prominent features of brain activity, measurable by electroencephalography (EEG) since Hans Berger's fir

neural oscillation brainwave gamma theta alpha beta
K_2_09 Verified Consciousness

K_2_09 — Neuroscience of Free Will

The neuroscience of free will centers on experiments testing whether conscious intention precedes or follows the neural preparation for action. Benjamin Libet's landmark 1983 experiments showed that the brain's "readines

free will Libet experiment readiness potential Bereitschaftspotential Benjamin Libet determinism
K_5_16 Verified Consciousness

K_5_16 — Language, Inner Speech & Consciousness

The relationship between language and consciousness is one of the oldest problems in philosophy of mind and one of the most active frontiers of cognitive neuroscience. The central question — whether conscious thought req

inner speech language of thought Vygotsky Lev Vygotsky verbal thinking phonological loop
E_3_04 Verified Cataclysms & Chronology

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

Doggerland Sundaland continental shelf post-glacial flooding Storegga Slide sea level rise
E_3_05 Verified Cataclysms & Chronology

E_3_05 — Megafauna Extinction — Overkill, Climate, or Cosmic Impact?

The late Quaternary megafauna extinction represents one of the most dramatic biodiversity losses in the last 66 million years, eliminating approximately 178 species of large-bodied mammals (≥44 kg) across six continents

Pleistocene megafauna extinction overkill hypothesis Paul Martin mammoth giant sloth
E_3_08 Verified Cataclysms & Chronology

E_3_08 — Dansgaard-Oeschger Events and Abrupt Climate Change

Dansgaard-Oeschger (DO) events are rapid climate oscillations during the last glacial period (c. 115,000–11,700 years ago) characterized by abrupt warming of 5–16°C in Greenland within decades — among the most dramatic a

Dansgaard-Oeschger event DO event abrupt climate change rapid warming stadial interstadial
E_3_20 Verified Cataclysms & Chronology

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

dansgaard-oeschger-events rapid-climate-change ice-core-records stadial-interstadial atlantic-thermohaline greenland-temperature
E_3_09 Verified Cataclysms & Chronology

E_3_09 — Messinian Salinity Crisis

The Messinian Salinity Crisis (MSC) — approximately 5.96–5.33 million years ago (late Miocene) — was one of the most dramatic geological events in the Cenozoic: the near-complete desiccation (drying up) of the Mediterran

Messinian Salinity Crisis Mediterranean evaporite Gibraltar Strait of Gibraltar Zanclean flood
E_2_06 Verified Cataclysms & Chronology

E_2_06 — Black Death, Pandemic Cycles, and Civilizational Reset

The Black Death (1347–1353 CE) was the most devastating pandemic in recorded human history. Caused by the bacterium *Yersinia pestis and transmitted primarily through flea bites from infected rats, the plague killed an e

Black Death bubonic plague Yersinia pestis pandemic 1347 medieval
E_2_12 Verified Cataclysms & Chronology

E_2_12 — Great Oxygenation Event

The Great Oxygenation Event (GOE) — approximately 2.4–2.1 billion years ago — was one of the most transformative events in Earth's history: the first permanent rise of free molecular oxygen (O₂) in the atmosphere, from n

Great Oxygenation Event GOE oxygen crisis cyanobacteria photosynthesis Paleoproterozoic
E_2_10 Verified Cataclysms & Chronology

E_2_10 — Volcanic Winter and Civilizational Effects

Large volcanic eruptions can inject sulfate aerosols into the stratosphere, where they reflect incoming solar radiation, producing global cooling lasting 1–3 years — a phenomenon known as volcanic winter. The most severe

volcanic winter eruption Tambora year without summer VEI volcanic explosivity
E_2_18 Verified Cataclysms & Chronology

E_2_18 — Minoan Eruption Expanded: Tsunami, Ashfall, and Civilization Collapse

The Minoan eruption of Thera (modern Santorini, Greece) was one of the largest volcanic eruptions of the Holocene — a VEI 6–7 event that ejected approximately 60–100 km³ of magma (DRE; some estimates reach 40 km³ DRE wit

Minoan eruption Thera Santorini Bronze Age Minoan civilization caldera
E_2_23 Verified Cataclysms & Chronology

E_2_23 — Bronze Age Collapse Synthesis: Multi-Causal Analysis c. 1200 BCE

The Late Bronze Age Collapse (c. 1200–1150 BCE) represents one of history's most dramatic civilizational discontinuities: within approximately 50 years, the interconnected palace economies of the Mycenaean kingdoms, the

bronze-age-collapse 1200-bce sea-peoples systems-collapse mycenaean-fall hittite-collapse
E_4_03 Credible Cataclysms & Chronology

E_4_03 — Paleomagnetism & Geomagnetic Excursions

Earth's magnetic field periodically undergoes dramatic excursions and full polarity reversals, with profound physical consequences including weakened radiation shielding, increased UV exposure, and ozone depletion. The L

paleomagnetism Laschamp Mono Lake Gothenburg geomagnetic excursion Cooper Adams Event
E_4_13 Verified Cataclysms & Chronology

E_4_13 — Milankovitch Cycles and Orbital Forcing

Milankovitch cycles are periodic variations in Earth's orbital geometry that modulate the distribution and intensity of solar radiation reaching Earth's surface, driving the glacial-interglacial cycles that have dominate

Milankovitch cycles orbital forcing eccentricity obliquity precession ice age
E_4_26 Credible Cataclysms & Chronology

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

Younger Dryas impact hypothesis YDIH nanodiamonds platinum anomaly black mat
E_4_07 Verified Cataclysms & Chronology

E_4_07 — Calendar Systems and Ancient Time-Keeping

This document examines Calendar Systems and Ancient Time-Keeping, a topic within the Cataclysms and Chronology research area. Key areas of investigation include Sumerian Lunisolar Calendar, Babylonian Calendar, The MUL.A

calendar lunisolar Sothic cycle Sopdet Sirius MUL.APIN
E_4_24 Verified Cataclysms & Chronology

E_4_24 — Quaternary Science: Integrating Ice Ages, Extinctions, and Migrations

Quaternary science is the interdisciplinary study of Earth's most recent geological period — the Quaternary (2.58 Ma to present), encompassing the Pleistocene (2.58 Ma to 11,700 BP) and the Holocene (11,700 BP to present

Quaternary Pleistocene Holocene ice age glaciation megafaunal extinction
E_4_14 Verified Cataclysms & Chronology

E_4_14 — Stratigraphic Methods and Geological Timekeeping

Stratigraphy — the study of rock layers (strata) and their sequential relationships — is the foundational framework for understanding geological time and establishing the chronology of Earth's 4.54-billion-year history.

stratigraphy geological time geochronology law of superposition biostratigraphy lithostratigraphy
E_1_15 Verified Cataclysms & Chronology

E_1_15 — Uranium-Thorium Dating: Methodology and Applications in Deep Time

Uranium-thorium (U-Th) dating, also called uranium-series disequilibrium dating, is a radiometric technique that measures the decay of ²³⁴U to ²³⁰Th (half-life: ~245,620 years) in materials such as speleothems (cave form

uranium-thorium-dating U-Th radiometric-dating speleothem coral-dating uranium-series