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.

293 results for "eric cline" — page 6 of 15

C_2_12 Verified Global Traditions

C_2_12 — Kukulkan / Quetzalcoatl — The Feathered Serpent Deep Dive

The Feathered Serpent is the most important and enduring deity/symbol complex in Mesoamerican civilization — spanning over 2,000 years (from Olmec iconography ~1200 BCE through the Spanish Conquest in 1521 CE) and appear

Kukulkan Quetzalcoatl feathered serpent plumed serpent Maya Aztec
C_2_01 Verified Global Traditions

C_2_01 — World Religions & Serpent/Reptilian Connections

Serpent and reptilian beings appear across every major world religion — Christianity, Islam, Hinduism, Buddhism, Judaism, Gnosticism, Zoroastrianism, Egyptian tradition, Chinese cosmology, Japanese mythology, Mesoamerica

serpent religion Hinduism Buddhism Christianity Islam
ZF_2_10 Verified Oceanography

ZF_2_10 — Sharks and Apex Marine Predators

Sharks — cartilaginous fishes of the superorder Selachimorpha (~500 living species) — are among the ocean's most ancient and ecologically critical predators, having evolved over 400 million years (predating trees and din

shark apex predator elasmobranch great white shark shark finning megalodon
ZF_3_14 Verified Oceanography

ZF_3_14 — History of Oceanography: Challenger to Satellites

The history of oceanography traces humanity's evolving understanding of the oceans from ancient seafaring observations to the modern era of satellite remote sensing and autonomous floats. The discipline emerged as a reco

oceanography history HMS Challenger deep-sea exploration Maury Forbes Murray
ZF_5_02 Verified Oceanography

ZF_5_02 — Sonar and Acoustic Ocean Sensing: Technology and Discovery

Sonar (SOund NAvigation and Ranging) is the primary technology for sensing the underwater environment — an acoustic analog to radar that exploits the fact that sound travels efficiently through water while electromagneti

sonar acoustic sensing active sonar passive sonar SONAR echolocation
ZF_5_07 Verified Oceanography

ZF_5_07 — Upwelling Systems: Coastal Productivity and Fisheries Foundations

Upwelling — the wind-driven or current-driven ascent of cold, nutrient-rich deep water to the sunlit surface layer — is the foundation of the ocean's most productive ecosystems and the world's most valuable fisheries. Th

upwelling coastal upwelling Ekman transport wind-driven eastern boundary current nutrient enrichment
ZF_4_08 Verified Oceanography

ZF_4_08 — Ocean Acidification Paleoclimate Record

Ocean acidification — the decrease in seawater pH caused by absorption of atmospheric CO₂ — is not only a modern phenomenon but has occurred repeatedly throughout Earth's history, leaving distinctive signals in the geolo

ocean acidification pH paleoclimate PETM Paleocene-Eocene Thermal Maximum carbonate compensation depth
ZF_4_15 Verified Oceanography

ZF_4_15 — Ocean Sediments: Deep-Sea Cores, Proxy Records, and Paleoclimate

Ocean sediments are the Earth's most comprehensive climate archive — a continuous record of planetary conditions extending back over 200 million years, slowly accumulated grain by grain on the deep seafloor at rates of m

ocean sediments deep-sea core marine sediment paleoclimate proxy foraminiferal isotopes oxygen isotopes
ZF_1_20 Verified Oceanography

ZF_1_20 — Ocean Stratification

Ocean stratification — the formation of stable density layers in the water column due to gradients in temperature, salinity, and pressure — is one of the most fundamental physical characteristics of the global ocean and

ocean stratification thermocline pycnocline halocline density gradient mixed layer
ZF_1_01 Verified Oceanography

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

thermohaline circulation AMOC ENSO El Niño La Niña ocean currents
ZF_1_05 Verified Oceanography

ZF_1_05 — Tsunami Science and Warning Systems

Tsunamis — long-wavelength ocean waves generated by sudden displacement of the water column — are among the most destructive natural hazards, capable of crossing entire ocean basins and devastating coastlines thousands o

tsunami seismic sea wave warning system subduction zone megathrust earthquake run-up height
Z_5_18 Verified Molecular Biology

Z_5_18 — Gut-Brain Axis: The Microbiome-Nervous System Connection

The gut-brain axis — the bidirectional communication network between the gastrointestinal tract and the central nervous system — has emerged as one of the most transformative concepts in modern biology and medicine. The

gut-brain axis microbiome microbiota vagus nerve serotonin psychobiotics
Z_1_02 Verified Molecular Biology

Z_1_02 — Human Chromosome 2 Fusion — Evidence of Primate Ancestry

Humans possess 46 chromosomes (23 pairs), while all other great apes — chimpanzees, gorillas, and orangutans — possess 48 chromosomes (24 pairs). This discrepancy was explained in the 1980s–1990s when molecular cytogenet

chromosome 2 chromosome fusion telomere-telomere ancestral chromosomes primate karyotype great ape
Z_4_23 Verified Molecular Biology

Z_4_23 — Memory as Physical and Molecular Phenomenon

What is a memory made of? The question has driven neuroscience from Santiago Ramón y Cajal's 1894 hypothesis that learning strengthens connections between neurons, through Donald Hebb's 1949 postulate that "neurons that

molecular memory memory engram synaptic plasticity long-term potentiation LTP Eric Kandel
Z_4_01 Verified Molecular Biology

Z_4_01 — Human Microbiome, Gut-Brain Axis, and the Holobiont Concept

The human microbiome — the ~38 trillion microbial cells (bacteria, archaea, fungi, viruses) inhabiting the human body — constitutes a co-evolved ecosystem that profoundly influences health, immunity, metabolism, developm

microbiome gut-brain axis holobiont microbiota bacteria gut flora
K_1_04 Credible Consciousness

K_1_04 — Brain as Filter vs Generator

Two opposing models have dominated the consciousness debate for over a century:

filter theory reducing valve brain as receiver brain as generator William James Aldous Huxley
K_2_01 Verified Consciousness

K_2_01 — Split-Brain Research and Divided Consciousness

Split-brain research — the study of patients whose corpus callosum has been surgically severed to treat intractable epilepsy — stands as one of neuroscience's most philosophically consequential experimental programs. Rog

split-brain Roger Sperry Michael Gazzaniga corpus callosotomy hemispheric specialization left-brain interpreter
E_3_19 Verified Cataclysms & Chronology

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

volcanic-aerosol climate-forcing sulfate-aerosol volcanic-winter tambora toba
E_3_11 Verified Cataclysms & Chronology

E_3_11 — Earthquake Archaeology and Seismic Catastrophes

Archaeoseismology — the study of past earthquakes using archaeological evidence — reveals that seismic catastrophes have repeatedly destroyed, reshaped, and sometimes permanently ended ancient urban centers and entire ci

archaeoseismology earthquake seismic destruction ancient earthquake Troy Jericho
E_2_07 Verified Cataclysms & Chronology

E_2_07 — The 4.2 Kiloyear Event — Bronze Age Climate Catastrophe

The 4.2 kiloyear event (~2200 BCE) was a severe, century-scale aridification episode that constitutes one of the most significant abrupt climate changes of the Holocene. Identified through speleothem, marine sediment, an

4.2 kiloyear event megadrought Akkadian Empire collapse Old Kingdom Egypt Indus Valley decline Liangzhu collapse