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.
322 results for "human impact" — page 2 of 17
L_1_14 — Homo Erectus: The Most Successful Human Species
Homo erectus (including regional variants sometimes classified as H. ergaster, H. georgicus, H. soloensis, and H. pekinensis) is arguably the most successful hominin species in evolutionary history — persisting for nearl
L_1_18 — Human Migration: Out of Africa, Dispersal Patterns, and the Peopling of the World
The migration of Homo sapiens out of Africa and across the globe is one of the most extensively studied processes in human evolutionary history, now reconstructed through converging evidence from genetics (mitochondrial
L_2_10 — Human–Dog Co-Evolution: 40,000 Years Together
The domestication of the dog (Canis lupus familiaris) from gray wolves (Canis lupus) represents the oldest known domestication event and one of the most consequential interspecies relationships in human history — predati
L_3_13 — Human Accelerated Regions: What Makes Us Genetically Unique
Human Accelerated Regions (HARs) are short segments of the genome that were highly conserved across millions of years of mammalian evolution — indicating strong functional constraint — but then underwent a burst of rapid
P_2_08 — Transhumanism and Enhancement Ethics
Transhumanism is the philosophical and cultural movement advocating the use of technology to fundamentally enhance human capacities — cognitive, physical, emotional, and moral — beyond the limits set by biological evolut
ZE_4_05 — Ethics of Global Justice and Human Rights
Global justice asks what moral obligations individuals and states owe to people beyond their borders, and whether justice requires global institutional reform. Human rights — rights held by all persons simply by virtue o
ZE_3_19 — Post-Human Ethics: Moral Status, Enhancement, and the Boundaries of Humanity
Post-human ethics addresses the moral questions arising from technologies that could fundamentally alter or transcend the human condition: genetic engineering (CRISPR germline editing), cognitive enhancement (nootropics,
ZE_1_18 — Transhumanism and Post-Human Ethics
Transhumanism is an intellectual and cultural movement advocating the use of technology (genetic engineering, pharmacology, cybernetics, nanotechnology, artificial intelligence) to radically enhance human capabilities —
R_2_14 — Recent Human Evolution: Lactase Persistence, Altitude Adaptation, and Malaria Resistance
Human evolution did not stop with the emergence of Homo sapiens ~300,000 years ago — natural selection has continued to shape human biology in response to agriculture, diet, disease, climate, and altitude, producing some
S_5_15 — Social Robotics: Companion Robots, Elderly Care, and Human-Robot Interaction
Social robotics — the design, construction, and study of robots intended to interact with humans in socially meaningful ways — occupies the intersection of robotics, artificial intelligence, psychology, and design. Unlik
M_4_06 — Göbekli Tepe Pillar 43 — Comet Impact Encoding and the Vulture Stone
Pillar 43, also known as the "Vulture Stone," is one of the most elaborately carved pillars at Göbekli Tepe, located in Enclosure D of this 11,000+ year-old monumental site in southeastern Turkey. The pillar is carved wi
E_3_05 — Megafauna Extinction — Overkill, Climate, or Cosmic Impact?
The late Quaternary megafauna extinction represents one of the most dramatic biodiversity losses in the last 66 million years, eliminating approximately 178 species of large-bodied mammals (≥44 kg) across six continents
E_1_04 — Complete Meteor & Asteroid Impact Catalog: Earth's Full Bombardment History
This document examines Complete Meteor & Asteroid Impact Catalog: Earth's Full Bombardment History, a topic within the Cataclysms and Chronology research area. Key areas of investigation include Theia Giant Impact (~4.51
E_1_01 — The Younger Dryas Impact Hypothesis (YDIH)
This document examines The Younger Dryas Impact Hypothesis (YDIH), a topic within the Cataclysms and Chronology research area. Notable findings include: Greenland ice-core data confirm rapid cooling at onset and abrupt w
E_1_02 — Meteor and Asteroid Impacts on Earth
This document examines Meteor and Asteroid Impacts on Earth, a topic within the Cataclysms and Chronology research area. Notable findings include: The Finnish Kalevala describes a "fire-child" stolen from heaven that bur
E_1_07 — Tunguska Event and Modern Impact Evidence
On June 30, 1908, an atmospheric explosion over the Podkamennaya Tunguska River in central Siberia released energy equivalent to approximately 12 megatons of TNT (roughly 1,000 times the Hiroshima bomb), flattening 2,150
E_1_06 — Chicxulub Impact and the K-Pg Boundary
Approximately 66 million years ago, at the boundary between the Cretaceous and Paleogene periods (K-Pg boundary, formerly K-T boundary), a ~10 km diameter asteroid struck what is now the Yucatán Peninsula of Mexico, crea
INTERDOC_41 — NHI Hypotheses: Five Frameworks for Non-Human Intelligence
[KEY FINDING] The NHI question is not "Do they exist?" but "Which framework best explains the reported phenomena?" Five distinct hypotheses have been proposed, each with supporting evidence and critical weaknesses:
ZB_1_01 — Animal Cognition — Corvids, Cetaceans, Cephalopods, and Non-Human Minds
The study of animal cognition has undergone a revolution over the past three decades, dismantling the long-held assumption that complex thought is uniquely human. The 2012 Cambridge Declaration on Consciousness formally
ZB_5_27 — Human Microbiome: Gut-Brain Axis and Microbial Ecology
The human body hosts approximately 38 trillion microbial cells — roughly equal to the number of human cells — comprising ~3,000 species of bacteria, archaea, fungi, and viruses, collectively termed the microbiome. The Hu
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