RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,623 Citations 34,854 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.

295 results for "Bering land bridge" — page 11 of 15

T_5_23 Credible Psychology & Social

T_5_23 — Psychogeography: Environment, Perception, and the Politics of Space

Psychogeography — the study of how geographic environments affect emotions, behavior, and perception — originated as a radical political and artistic practice within the Situationist International of the 1950s–60s, led b

psychogeography dérive situationist guy debord urban exploration flâneur
D_2_19 Verified Sites & Artifacts

D_2_19 — Bronze Age Southeast Asia: Ban Chiang, Dong Son & the Metal Age Transition

Southeast Asia developed a distinctive Bronze Age tradition beginning c. 2000 BCE that challenges diffusionist models of metallurgical transmission from the Near East. The Ban Chiang site in northeastern Thailand, excava

ban-chiang dong-son southeast-asian-bronze bronze-drums lost-wax-casting metal-age-transition
D_2_01 Sites & Artifacts

D_2_01 — Maltese Temple Builders and the Ħal Saflieni Hypogeum

The Maltese Temple Period (~3600–2500 BCE) produced the oldest free-standing structures on Earth — predating the Egyptian pyramids by ~1,000 years and Stonehenge by ~1,500 years. The tiny Maltese islands (316 km² total —

Malta Ħal Saflieni Hypogeum Ġgantija Mnajdra Ħaġar Qim Tarxien
D_1_09 Sites & Artifacts

D_1_09 — Newgrange, Knowth, and Passage Tomb Astronomy

Newgrange, constructed around 3200 BCE in the Boyne Valley (Brú na Bóinne) of County Meath, Ireland, is one of the most remarkable Neolithic structures in the world — older than the Egyptian pyramids by approximately 700

Newgrange Knowth Dowth Brú na Bóinne Boyne Valley passage tomb
D_1_11 Sites & Artifacts

D_1_11 — Machu Picchu — Royal Estate of Pachacuti

Machu Picchu, located at 2,430 m asl on a narrow ridge between the peaks of Machu Picchu and Huayna Picchu in Peru's Vilcanota/Urubamba Valley, is the best-preserved Inca settlement and one of the most significant archae

Machu Picchu Pachacuti Inca Intihuatana solstice alignment ashlar masonry
D_3_07 Sites & Artifacts

D_3_07 — Nan Madol — Megalithic City on the Reef

Nan Madol is a ruined megalithic city located off the southeast coast of Pohnpei (formerly Ponape), Federated States of Micronesia, in the western Pacific Ocean. Built on a series of ~92 artificial islets constructed on

Nan Madol Pohnpei Micronesia megalithic basalt prismatic columns
D_3_03 Sites & Artifacts

D_3_03 — Moai of Rapa Nui — Transport, Engineering, and Cultural Context

The moai of Rapa Nui (Easter Island) are among the most recognizable monumental sculptures on Earth: 887 statues carved from compressed volcanic tuff at the Rano Raraku quarry, averaging 4m tall and 12.5 tonnes, with the

moai Rapa Nui Easter Island Rano Raraku pukao ahu
D_4_10 Speculative Sites & Artifacts

D_4_10 — Yonaguni Formation: Japan's Submerged Stone Controversy

The Yonaguni Formation (also called the "Yonaguni Monument" or "Yonaguni Submarine Ruins") is a submerged rock structure located off the southern coast of Yonaguni Island, the westernmost of Japan's Ryukyu Islands (24°26

Yonaguni Yonaguni Monument Masaaki Kimura Robert Schoch submerged structure natural formation
B_5_14 Speculative Beings & Entities

B_5_14 — Men in Black: Government Agents, Silencers, and the MIB Phenomenon

The Men in Black (MIB) are a recurring element in UFO/UAP culture: mysterious individuals — typically described as wearing dark suits, driving black cars, and behaving in an oddly mechanical or inhuman manner — who alleg

Men in Black MIB Albert Bender Gray Barker UFO suppression silencer
B_5_07 Verified Beings & Entities

B_5_07 — Divine Smith and Celestial Artisan Figures

The Divine Smith — a god or supernatural being whose defining attribute is mastery of metalworking, craftsmanship, and technological creation — appears across virtually every metal-using civilization as one of the most c

divine smith celestial artisan Hephaestus Vulcan Ptah Wayland
B_4_19 Credible Beings & Entities

B_4_19 — Smithing & Craft Deities: Divine Artisans Across Cultures

Smithing and craft deities represent one of the most consistent divine archetypes across cultures, reflecting the deep association between metallurgical skill and supernatural power in premodern societies. From Hephaestu

smithing-deity hephaestus ptah goibniu vulcan ogun
B_2_19 Credible Beings & Entities

B_2_19 — Smithing and Craft Deities: Cross-Cultural Analysis

Smithing and craft deities occupy a distinctive mythological position across cultures: they are simultaneously among the most revered and most marginalized divine figures. Hephaestus (Greek), Vulcan (Roman), Ptah (Egypti

smithing-deity hephaestus ptah goibniu vulcan ogun
ZD_1_02 Information & Computation

ZD_1_02 — Information Theory — Shannon, Entropy, and the Bit

Claude Shannon's 1948 paper "A Mathematical Theory of Communication" is one of the most consequential scientific publications of the 20th century. It defined information quantitatively — measured in bits — independent of

information theory Claude Shannon entropy bit channel capacity noise
ZD_1_03 Information & Computation

ZD_1_03 — Information as Fundamental Reality

Multiple converging lines of evidence suggest information, not matter or energy, may be the most fundamental constituent of reality. From Wheeler's "It from Bit" to the holographic principle (3D reality encoded on 2D bou

information It from Bit Wheeler holographic principle Bekenstein bound Shannon entropy
ZD_5_03 Verified Information & Computation

ZD_5_03 — Semiotics: Signs, Symbols, and Meaning Theory

Semiotics (also semiology) — the study of signs, symbols, and meaning-making processes — is a foundational discipline that bridges linguistics, philosophy, cultural studies, communication theory, visual arts, and informa

semiotics semiology sign symbol icon index
ZD_4_10 Credible Information & Computation

ZD_4_10 — Complexity Theory in Biology — Kauffman, Wolfram, Edge of Chaos

The application of complexity theory to biology — the study of how complex, adaptive, self-organizing structures and behaviors emerge in living systems from the interactions of simpler components — has been one of the mo

complexity edge of chaos self-organization emergence Kauffman Wolfram
L_4_06 Verified Genetics & Origins

L_4_06 — Epigenetics and Transgenerational Inheritance

Epigenetics — the study of heritable changes in gene expression that occur without alterations to the DNA sequence itself — has transformed modern biology by revealing a layer of regulatory information "above" the genome

epigenetics DNA methylation histone modification chromatin transgenerational inheritance imprinting
L_2_05 Genetics & Origins

L_2_05 — Americas Peopling Genetics

The peopling of the Americas is one of the clearest cases where ancient DNA and archaeology have converged to overturn an older narrative. The core model now favored by genetics is that the main ancestry of Indigenous Am

Americas peopling Beringia Clovis pre-Clovis Native American genetics mtDNA haplogroups
L_2_04 Genetics & Origins

L_2_04 — Oceanian Genetics and Pacific Migration

The human settlement of Oceania represents the last major expansion of Homo sapiens across the globe, and the most remarkable feat of maritime exploration in human history. It occurred in two major phases separated by ~4

Oceanian genetics Pacific migration Lapita Austronesian expansion Polynesia Melanesia
L_3_14 Verified Genetics & Origins

L_3_14 — Genetic Bottleneck Recovery and Founder Effects

A genetic bottleneck occurs when a population's size is drastically reduced, causing a random loss of genetic variation (alleles) that cannot be recovered through subsequent population growth. Founder effects are a speci

genetic-bottleneck founder-effect population-genetics toba-catastrophe effective-population-size heterozygosity