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.
515 results for "ice core" — page 3 of 26
ZE_2_10 — Ethics of Knowledge Suppression and Epistemic Justice
The ethics of knowledge suppression and epistemic justice examines the moral dimensions of how knowledge is produced, distributed, silenced, and distorted. Miranda Fricker (Epistemic Injustice, 2007) identified two core
S_3_01 — Climate Change, Civilization, and Deep-Time Context
Earth's climate has always changed — but the current rate and mechanism are unprecedented in geological history. This document places the modern climate crisis within the deep-time context that the corpus demands: from t
F_1_27 — Ice Age Maritime Routes & Coastal Migration
The recognition that maritime capabilities existed during the Ice Age (Late Pleistocene, ~126,000–11,700 years ago) has transformed our understanding of early human dispersals and the colonization of previously isolated
F_2_05 — Amber, Incense, and Spice Routes: Pre-Silk Road Exchange Networks
Long before the Silk Road connected Han China to Rome, extensive networks of luxury exchange linked the Baltic to the Mediterranean, the Arabian Peninsula to Egypt, and South Asia to the ancient Near East. Baltic amber —
ZA_3_12 — Lattice Gauge Theory and Non-Perturbative QCD
Lattice gauge theory — the formulation of quantum field theories on a discrete spacetime lattice rather than in continuous spacetime — is the only known first-principles method for making non-perturbative calculations in
M_3_08 — Ancient Precision Drilling — Core #7 and Petrie's Evidence
Among the most debated artifacts in discussions of ancient technology are granite drill cores and bore holes from ancient Egypt, particularly a piece catalogued as "Core #7" — a cylindrical granite core (approximately 10
A_4_19 — Maya Codices: Dresden, Madrid, and Paris Manuscripts
The Maya codices are the only surviving pre-Columbian books from the Maya civilization — folding-screen manuscripts made of bark paper (huun) covered in lime plaster and painted with hieroglyphic texts and illustrations
U_1_13 — Musical Notation: From Neumes to MIDI and Digital Scores
Musical notation — the technology of transcribing sound into visible marks — is one of humanity's most consequential inventions, enabling music to be preserved, transmitted, standardized, and composed in ways impossible
X_2_13 — Pain Science: Nociception, Perception, and the Biopsychosocial Model
Pain is one of the most universal human experiences — and one of the most complex phenomena in medicine and neuroscience. The International Association for the Study of Pain (IASP) defines pain as "an unpleasant sensory
W_4_13 — Aztec Empire: Tenochtitlan, Sacrifice, and Cosmovision
The Aztec Empire — more precisely the Mexica-led Triple Alliance (c. 1428–1521 CE) of Tenochtitlan, Texcoco, and Tlacopan — was the dominant political and military power in Mesoamerica at the time of the Spanish arrival.
W_3_13 — Zanzibar and East African Trade Networks: Spice, Slaves, and Swahili Culture
Zanzibar — the archipelago off the coast of modern Tanzania — and the Swahili coast stretching from southern Somalia to northern Mozambique were the nexus of one of history's great maritime trade networks, connecting the
ZH_5_08 — Solstice and Equinox Traditions: Seasonal Markers Across Cultures
The solstices (longest and shortest days) and equinoxes (equal day and night) are the four cardinal points of the solar year — astronomically defined by the Sun reaching its maximum/minimum declination (solstices) or cro
ZH_1_16 — The Antikythera Mechanism and Greek Astronomical Devices: Precision Gearing in the Ancient World
The Antikythera mechanism — recovered from a Roman-era shipwreck off the Greek island of Antikythera in 1901 — is the most sophisticated scientific instrument known from the ancient world, a hand-cranked astronomical cal
C_5_20 — Seasonal Ritual Cycles: Solstice, Equinox, and Agricultural Festivals
Seasonal ritual cycles — religious festivals, agricultural ceremonies, and sacred observances tied to the solstices, equinoxes, and the transitional points between them — represent humanity's oldest continuous relationsh
C_3_10 — Sacrifice and Offering Across Civilizations
Sacrifice — the ritual destruction or relinquishment of something valuable to establish, maintain, or restore a relationship with sacred powers — is arguably the most universal and foundational religious act in human his
ZF_4_11 — Sea Ice Dynamics and Polar Oceanography
Sea ice — frozen seawater that forms a thin crust (typically 1–4 m thick) over polar and subpolar oceans — is one of Earth's most dynamic and climate-sensitive features, playing a disproportionate role in global climate
ZF_1_13 — Continental Shelves: Submerged Geography and Ice Age Coastlines
Continental shelves — the shallow, gently sloping underwater extensions of continental landmasses — represent some of the most biologically productive, economically valuable, and archaeologically significant terrain on E
E_3_03 — Ice Age Civilizations — Evidence for Complexity During the Last Glacial Maximum
The Last Glacial Maximum (LGM, ~26,500-19,000 BP) — when ice sheets covered ~32% of the global land surface and sea levels dropped ~120 meters below present — was not a period of human stagnation but of remarkable cultur
E_2_08 — Little Ice Age — Climate, Society, and the Modern World
The Little Ice Age (LIA) was a prolonged period of climatic cooling that affected much of the Northern Hemisphere from approximately 1300 to 1850 CE, with coldest intervals during the Maunder Minimum (1645–1715) and the
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
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