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544 results for "knowledge graph" — page 8 of 28
ZF_3_10 — Marine Paleontology and the Fossil Record of the Seas
Marine paleontology documents the evolution of life in Earth's oceans over ~3.8 billion years — from the earliest microbial fossils (stromatolites, ~3.5 Ga) to the complex marine ecosystems of the modern ocean. The marin
ZF_5_01 — Autonomous Underwater Vehicles and Ocean Exploration Technology
Ocean exploration technology — from early human-occupied submersibles to modern autonomous underwater vehicles (AUVs) — has progressively opened the deep ocean to scientific investigation, driving transformative discover
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
ZF_5_16 — Ocean Observation Networks: Global Monitoring of the Marine Environment
Ocean observation networks constitute the global infrastructure for monitoring the physical, chemical, and biological state of the world's oceans in near-real-time. The centerpiece of modern ocean observation is the Argo
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
ZF_4_12 — Underwater Acoustics and the SOFAR Channel
Sound is the dominant long-range information carrier in the ocean — electromagnetic radiation (light, radio) is rapidly absorbed in seawater, but sound can travel thousands of kilometers with remarkably little loss, maki
ZF_4_04 — Ocean Acoustics and Sound Channels
Ocean acoustics — the study of sound propagation in the sea — is fundamental to marine science, military applications, and understanding marine life. Sound travels approximately 4.5× faster in seawater (~1,500 m/s) than
Z_5_04 — Structural Biology: Seeing Molecules at Atomic Resolution
Structural biology — the determination of the three-dimensional atomic structures of biological macromolecules (proteins, nucleic acids, and their complexes) — has been one of the most transformative disciplines in moder
E_4_18 — Tephra Chronology: Volcanic Ash as Geological Clock
Tephrochronology is the use of volcanic tephra layers (ash, pumice, and other pyroclastic deposits) as time markers (isochrons) for dating and correlating geological, paleoenvironmental, and archaeological sequences acro
ZG_2_13 — Dialectology: Regional Variation, Dialect Continua, and Isoglosses
Dialectology — the systematic study of regional linguistic variation — investigates how languages differ from place to place, mapping the geographical distribution of pronunciation, vocabulary, grammar, and usage pattern
ZG_1_12 — Ogham, Runic, and Northern European Writing Systems
The Ogham and Runic scripts are two distinctive writing systems that developed in the northern and western peripheries of Europe, each serving as a medium for monumental inscriptions, personal names, territorial claims,
ZG_1_17 — Cryptolinguistics and Code-Breaking: Language, Ciphers, and the Science of Secrecy
Cryptolinguistics — the intersection of linguistics, mathematics, and the science of secure communication — encompasses both cryptography (the creation of codes and ciphers) and cryptanalysis (breaking them), as well as
ZG_1_14 — Mesoamerican Writing Systems: Zapotec, Mixtec, and Aztec Codices
Beyond the celebrated Maya script (the only fully developed logosyllabic writing system in the pre-Columbian Americas), Mesoamerica produced a remarkable diversity of writing and recording systems that ranged from the ea
ZB_5_19 — The Anthropocene: Human Dominance of Earth Systems and Epoch Dating
The Anthropocene — a proposed geological epoch defined by the dominant influence of human activity on Earth's geology, climate, and ecosystems — has become one of the most consequential and contentious concepts in modern
ZC_3_08 — Aging and Gerontology
Social gerontology is the study of aging as a social process — examining how societies construct old age, how aging populations transform social institutions, and how older adults experience later life. Global demographi
ZC_4_22 — Urban Anthropology & City as Culture
Urban anthropology — the ethnographic study of life in cities — has grown from a marginal subfield to one of the most vital areas in contemporary social science as humanity has become a predominantly urban species: since
G_1_12 — Geoarchaeology — Sediments, Soils, and Site Formation Processes
Geoarchaeology applies the principles and methods of earth sciences — geology, geomorphology, sedimentology, soil science, and geochemistry — to archaeological problems, focusing on the geological context of archaeologic
G_3_22 — Science and Technology Studies (STS)
Science and Technology Studies (STS) is an interdisciplinary field that examines how society, politics, culture, and economics shape scientific research and technological innovation — and how science and technology in tu
G_2_11 — Ethnoarchaeology — Living Analogies for Past Behavior
Ethnoarchaeology is the study of living or recently documented societies — their material culture, spatial organization, subsistence strategies, craft production, architecture, refuse disposal, and social practices — wit
O_2_16 — Mineralogy and Petrology
Mineralogy — the study of minerals (naturally occurring, inorganic crystalline solids with definite chemical composition) — and petrology — the study of rocks (aggregates of minerals) — together provide the foundation of
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