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.
1,107 results for "Little Ice Age" — page 45 of 56
S_3_06 — Renewable Energy Transformation
The renewable energy transformation is the most rapid energy technology transition in history. Solar photovoltaics (PV): the cost of solar PV has fallen ~99% since 1976 and ~90% since 2010, following Swanson's Law (the p
S_5_05 — Smart Cities and Urban Technology
Smart cities integrate digital technology, sensors, and data analytics into urban infrastructure to improve efficiency, sustainability, and quality of life. The concept gained momentum in the 2010s, driven by corporate i
S_2_17 — Tissue Engineering: Scaffolds, Bioreactors, and Organ Fabrication
Tissue engineering — the fabrication of biological substitutes to restore, maintain, or improve tissue function — was formally defined by Robert Langer (MIT) and Joseph Vacanti (Harvard/Boston Children's Hospital) in the
S_2_11 — Bioinformatics: Computational Genomics and Drug Discovery
Bioinformatics — the application of computational methods to biological data — has become indispensable to modern biology and medicine, driven by the exponential growth of genomic, transcriptomic, proteomic, and metabolo
S_2_06 — Regenerative Medicine and Bioprinting
Regenerative medicine aims to repair, replace, or regenerate damaged tissues and organs using biological approaches — tissue engineering, stem cell therapy, bioprinting, and xenotransplantation. The organ shortage crisis
S_2_10 — Gene Drives: Ecosystem Engineering and Extinction Technology
Gene drives are genetic engineering systems that bias inheritance in sexually reproducing organisms, causing a modified gene to spread through a wild population at rates far exceeding normal Mendelian inheritance (which
S_2_13 — Xenotransplantation: Cross-Species Organs and Bioengineered Tissues
Xenotransplantation — the transplantation of organs, tissues, or cells from one species to another — is being pursued as a solution to the critical global organ shortage. In the US alone, over 100,000 people await organ
S_2_03 — Bioethics of Human Enhancement
Should humans enhance themselves beyond the boundaries of nature? This is the central question of enhancement bioethics — a field at the intersection of philosophy, medicine, law, genetics, neuroscience, and disability s
F_1_22 — Peopling of the Americas: Routes & Chronology
The peopling of the Americas — when, how, and by whom the Western Hemisphere was first colonized by modern humans — is one of the most actively debated questions in archaeology, genetics, and paleoanthropology, with the
F_1_16 — Coastal Migration Hypothesis: Kelp Highway and Pacific Rim
The coastal migration hypothesis (also known as the "Kelp Highway" hypothesis) proposes that the initial human colonization of the Americas occurred not via the traditional ice-free corridor through the interior of North
F_1_12 — Beringia: Land Bridge, Migration, and Lost Landscape
Beringia — the vast landmass that periodically connected northeastern Asia to northwestern North America across what is now the Bering Strait and the shallow Chukchi and Bering Seas — was one of the most consequential ge
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_07 — First Americans Debate — Clovis, Pre-Clovis, and Coastal Routes
The question of when and how humans first reached the Americas has been transformed in the 21st century by a series of discoveries that have demolished the long-reigning "Clovis-first" paradigm. For decades, the archaeol
F_2_02 — Silk Road Knowledge Exchange — Technology, Religion, and Cultural Transmission
The Silk Road — more accurately Silk Routes, a network of overland and maritime trade corridors connecting China, Central Asia, South Asia, Persia, Arabia, and the Mediterranean from roughly 130 BCE to 1453 CE — was the
F_2_08 — Lapis Lazuli Trade Networks
Lapis lazuli — a deep-blue metamorphic rock composed primarily of lazurite — is one of the oldest traded luxury materials in human history, with its distribution across the ancient world providing direct evidence of long
F_2_13 — Copper Trade Networks: Great Lakes to Mediterranean
The Great Lakes copper deposits — particularly the vast deposits of native (naturally pure) copper on the Keweenaw Peninsula and Isle Royale of Michigan's Upper Peninsula — represent one of the world's most remarkable mi
F_4_22 — Ancient Road Systems: Persian Royal Road, Roman Via, Inca Qhapaq Ñan
The construction of engineered road systems represents one of the most transformative infrastructure achievements of ancient civilizations — and three empires produced road networks that, for their era, were unmatched in
F_4_15 — Bell Beaker Phenomenon and European Transformation
The Bell Beaker phenomenon (c. 2750–1800 BCE) is one of the most geographically extensive and archaeologically debated cultural manifestations of European prehistory. Named after the distinctive bell-shaped drinking vess
F_4_06 — Pre-Indo-European Substrate Cultures of Europe
This document examines Pre-Indo-European Substrate Cultures of Europe, a topic within the Lost Connections research area. Key areas of investigation include Europe Before the Steppe Migrations, The Indo-European Expansio
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
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