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.
255 results for "ocean sediment core" — page 11 of 13
F_1_11 — Sweet Potato Paradox — Pre-Columbian Trans-Pacific Contact Evidence
The sweet potato paradox — the presence of Ipomoea batatas (a plant of unambiguous South American origin) across Polynesia in pre-Columbian contexts — is the single most widely accepted piece of evidence for trans-Pacifi
F_1_09 — Austronesian Expansion: The Greatest Maritime Migration
The Austronesian expansion is the most extensive pre-modern maritime migration in human history, covering over half the globe — from Taiwan to Madagascar, Easter Island, Hawaii, and New Zealand — over approximately 5,000
F_1_13 — Lapita Culture and Pacific Colonization
The Lapita cultural complex (c. 1600–500 BCE) represents one of humanity's most remarkable episodes of maritime expansion — the colonization of the remote islands of the western and central Pacific by seafaring peoples w
F_1_05 — Chinese Maritime Exploration Before and Including Zheng He
China possessed the world's most advanced maritime technology for centuries, culminating in Admiral Zheng He's seven extraordinary voyages (1405–1433) across the Indian Ocean. With a fleet reportedly comprising 317 ships
F_1_02 — Cocaine and Nicotine in Egyptian Mummies — The Balabanova Controversy
In 1992, German toxicologist Svetlana Balabanova published findings of cocaine, nicotine, and hashish in Egyptian mummies held at the Munich Museum, igniting one of the most contentious debates in archaeology. Since coca
F_2_11 — Ancient Spice and Incense Routes: Aromatic Trade Networks
The trade in aromatic substances — frankincense, myrrh, cinnamon, cassia, pepper, cloves, nutmeg, camphor, sandalwood, spikenard, and dozens of other plant-derived resins, barks, seeds, and oils — constitutes one of the
F_2_03 — Sub-Saharan African Maritime and Trade Networks
Sub-Saharan Africa was deeply integrated into global trade networks for millennia, challenging Eurocentric narratives that portray the continent as isolated before European colonization. The Indian Ocean dhow trade conne
F_4_21 — Shared Flood Geology: Physical Evidence for Deluge Events
Flood myths appear in cultures across every inhabited continent — from the Sumerian/Akkadian flood (Ziusudra/Utnapishtim), the Hebrew Noah narrative, and the Greek Deucalion, to the Hindu Manu, the Chinese Gun-Yu, the Az
F_4_03 — Ancient Maritime Technology and Naval Knowledge
The history of maritime technology reveals that ancient civilizations achieved levels of nautical engineering and navigational skill far exceeding common assumptions. Phoenician sailors may have circumnavigated Africa ~6
F_4_13 — Glass Production: Origins, Trade, and Technology Transfer
Glass is one of the earliest synthetic materials, with origins tracing to faience (glazed quartz) production in Egypt and Mesopotamia by ~5000 BCE and true glass beads appearing by ~3500 BCE. For over two millennia, glas
I_2_14 — Historical USO and Naval Encounters with Unidentified Submersible Objects
Unidentified Submersible Objects (USOs) — anomalous objects observed entering, exiting, or operating beneath water — constitute a persistent but poorly documented subset of unidentified aerial phenomena (UAP). Reports sp
I_4_02 — USOs & Trans-Medium Phenomena
Unidentified Submerged Objects (USOs) and trans-medium phenomena — craft moving seamlessly between air and water — represent one of the most intriguing intersections of modern UAP data and ancient tradition. Modern milit
A_4_11 — Upanishads — Core Vedantic Philosophy
The Upanishads (उपनिषद्, "sitting near" a teacher) are the concluding philosophical sections of the Vedas and the foundational texts of Vedantic philosophy. Composed between approximately 800–200 BCE, the principal (mukh
D_1_22 — Pacific Island Megalithic: Nan Madol, Lelu Ruins, and Oceanic Stone Architecture
Nan Madol — a ceremonial complex of 92 artificial islets spread across a shallow lagoon off the southeast coast of Pohnpei (Federated States of Micronesia) — is one of the most enigmatic megalithic sites on Earth and has
F_1_00 — Trans Oceanic Migration: Subfolder Summary
I_1_00 — Core Concepts Classification: Subfolder Summary
A_4_34 — Polynesian Creation Myths: Rangi, Papa & Maui
Polynesian creation mythology represents one of the most internally coherent and geographically distributed oral cosmological systems on Earth — spanning approximately 25 million square kilometers of the Pacific Ocean ac
W_5_15 — Aboriginal Australian Civilizations: 65,000 Years of Continuous Culture
Aboriginal Australians represent the oldest continuous cultural tradition in the world — with archaeological evidence of human occupation of the Australian continent dating back at least 65,000 years (Madjedbebe rock she
ZF_2_09 — Fisheries Science and Overfishing
Fisheries science studies the dynamics of fish populations and the management of their exploitation, while overfishing — harvesting fish faster than they can reproduce — has emerged as one of the most pressing threats to
ZF_2_13 — Marine Invertebrate Diversity — Cnidarians, Echinoderms, Mollusks
Marine invertebrates — animals without backbones — constitute the vast majority of animal diversity in the ocean: of ~230,000 described marine animal species, approximately 195,000 (85%) are invertebrates, spanning more
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