RESEARCH BASE

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

3,721 Documents 34 Sections 43,625 Citations 34,852 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.

466 results for "material culture" — page 23 of 24

R_0_00 Biology & Evolution

R_0_00 — Biology & Evolution: Section Summary

R_3_05 Verified Biology & Evolution

R_3_05 — Coevolution — Arms Races, Mutualisms, and Red Queens

Coevolution — reciprocal evolutionary change between interacting species — is one of the most powerful engines of biological diversity. Leigh Van Valen's Red Queen hypothesis (1973) captured its essence: species must con

coevolution Red Queen hypothesis Van Valen arms race mutualism plant-pollinator
R_3_00 Biology & Evolution

R_3_00 — Mechanisms Genetics: Subfolder Summary

R_2_03 Verified Biology & Evolution

R_2_03 — Neanderthal Cognition and Interbreeding

For over a century, Neanderthals were depicted as brutish, cognitively inferior "cave men" — a failed evolutionary experiment replaced by superior modern humans. This narrative has been DEMOLISHED by 21st-century genetic

Neanderthal Homo neanderthalensis hybridization interbreeding DNA genome
R_2_00 Biology & Evolution

R_2_00 — Human Primate Evolution: Subfolder Summary

S_4_10 Credible Future Technology

S_4_10 — Space Elevators and Advanced Launch Technology

Space access remains the fundamental bottleneck for space development — current chemical rockets achieve orbit at $1,500–$5,000/kg to low Earth orbit (SpaceX Falcon 9, ~$2,700/kg; Starship aims for <$100/kg but is unprov

space elevator launch technology mass driver electromagnetic launch tether Skyhook
S_5_00 Future Technology

S_5_00 — Society Infrastructure: Subfolder Summary

S_2_00 Future Technology

S_2_00 — Biotech Medicine: Subfolder Summary

S_2_01 Verified Future Technology

S_2_01 — CRISPR and Human Genetic Engineering

CRISPR-Cas9 is the most transformative biotechnology discovery of the 21st century — a molecular tool that allows precise editing of DNA in any organism, including humans. Discovered in bacteria's immune system against v

CRISPR Cas9 gene editing germline editing He Jiankui somatic editing
F_1_17 Verified Lost Connections

F_1_17 — Austronesian Expansion: From Taiwan to Madagascar and Easter Island

The Austronesian expansion is the largest maritime diaspora in human history, spanning from Taiwan (c. 3500–3000 BCE) across the Pacific and Indian Oceans to ultimately reach Madagascar (c. 500–800 CE) in the west and Ra

Austronesian Out of Taiwan Lapita Polynesian voyaging outrigger canoe Madagascar
F_2_02 Verified Lost Connections

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

Silk Road Silk Routes trade cultural exchange technology transfer paper
F_4_09 Verified Lost Connections

F_4_09 — The Green Sahara — When the Desert Was Eden

For most of the last several thousand years, the Sahara has been the world's largest hot desert — 9.2 million km² of arid wasteland. Yet between approximately 11,000 and 5,000 years ago, during the period known as the Af

Green Sahara African Humid Period Saharan rock art Tassili n'Ajjer Lake Mega-Chad Nabta Playa
F_4_13 Verified Lost Connections

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

glass production faience core-formed glass glass blowing Uluburun natron glass
F_3_18 Verified Lost Connections

F_3_18 — Vavilov Centers: Origins of Cultivated Plants

The Vavilov centers of origin are the regions of the world where the greatest genetic diversity of cultivated plants and their wild relatives is found — identified by the Russian/Soviet botanist, geneticist, and plant ge

Vavilov center of origin center of diversity cultivated plants crop wild ancestor
F_3_02 Credible Lost Connections

F_3_02 — Manichaean Transmission Along the Silk Road

This document examines Manichaean Transmission Along the Silk Road, a topic within the Lost Connections research area. Key areas of investigation include The Visionary Experience, The Deliberate Synthesis, Mani's Travels

Mani Manichaeism Manichaean Silk Road Turfan Sogdian
F_3_00 Lost Connections

F_3_00 — Diffusion Spread Knowledge: Subfolder Summary

F_0_00 Lost Connections

F_0_00 — Lost Connections: Section Summary

ZA_4_15 Verified Physics & Quantum

ZA_4_15 — Condensed Matter Physics: Emergent Phenomena in Many-Body Systems

Condensed matter physics — the largest subfield of physics by number of active researchers — studies the collective behavior of vast numbers of interacting particles (electrons, atoms, ions, spins) in solid, liquid, and

condensed matter band theory phase transitions topological phases superconductivity strongly correlated
ZA_4_17 Verified Physics & Quantum

ZA_4_17 — Polymer Science: From Bakelite to Bioplastics

Polymer science — the study of macromolecules composed of repeating monomer units — underpins materials from natural rubber and silk to modern plastics, synthetic fibers, and biomedical implants. Hermann Staudinger's 192

polymer macromolecule Staudinger polymerization Bakelite nylon
ZA_4_22 Verified Physics & Quantum

ZA_4_22 — Superconductivity: BCS Theory to High-Temperature

Superconductivity — the complete vanishing of electrical resistance and the expulsion of magnetic fields below a critical temperature — was discovered by Heike Kamerlingh Onnes on April 8, 1911, in mercury at 4.2 K. The

superconductivity BCS theory Cooper pairs cuprate YBCO Meissner effect