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.
990 results for "rat learning" — page 9 of 50
T_5_24 — Time Perception: Chronobiology, Subjective Duration, and Temporal Consciousness
Time perception — how organisms experience, measure, and represent temporal duration — is one of neuroscience's most fundamental yet poorly understood phenomena. Unlike vision or hearing, there is no dedicated sensory or
D_5_05 — Fibonacci Sequence and Sacred Ratios in Nature
The Fibonacci sequence (1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144...) — where each number is the sum of the two preceding numbers — appears with remarkable frequency in nature, architecture, and art. The ratio of consecu
B_1_19 — Love and Beauty Deities: Cross-Cultural Comparative Analysis
Deities governing love, beauty, fertility, and sexuality appear across virtually every documented religious tradition, often combining erotic power with martial or funerary functions that modern Western categories would
ZD_1_17 — Integrated Information Theory
Integrated Information Theory (IIT) is a mathematical theory of consciousness developed by Giulio Tononi (University of Wisconsin-Madison, 2004; IIT 3.0, 2014; IIT 4.0, 2022) that attempts to explain what consciousness i
ZD_5_09 — Open Source: Free Software, Collaborative Development, and Commons-Based Production
Open source software (OSS) is software whose source code is publicly available, can be freely used, modified, and redistributed under licenses that preserve these freedoms. Open source is one of the most consequential mo
ZD_4_02 — Game Theory, Strategic Interaction, and Cooperation
Game theory is the mathematical study of strategic interaction among rational agents, founded by John von Neumann and Oskar Morgenstern's Theory of Games and Economic Behavior (1944) and revolutionized by John Nash's equ
ZD_2_01 — Machine Learning Mathematics
Machine learning — the science of algorithms that improve through experience — rests on a rich mathematical foundation spanning optimization, statistics, linear algebra, probability, and functional analysis. The core mat
L_1_06 — Human Migration Synthesis — DNA, Language, and Culture
The synthesis of genetic, linguistic, and archaeological evidence has transformed understanding of human migration over the past three decades.
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_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
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
Y_5_13 — Starvation and Dehydration: Cognitive Effects of Deprivation States
Starvation and dehydration — states of severe and prolonged nutritional and fluid deprivation — produce a characteristic and well-documented progression of cognitive, perceptual, and emotional alterations that constitute
H_2_07 — Radiocarbon Dating Controversies and Calibration Disputes
Radiocarbon dating — the measurement of the radioactive isotope ¹⁴C in organic materials to determine their age — is archaeology's single most important chronological tool, having revolutionized the discipline since Will
H_4_17 — Algorithmic Censorship and AI Content Moderation
Algorithmic content moderation — the use of automated systems (machine learning classifiers, natural language processing, computer vision, and large language models) to detect, flag, restrict, or remove online content —
P_3_02 — Pre-Socratic Philosophy — The Birth of Western Thought
The Pre-Socratic philosophers (c. 624–370 BCE) inaugurated Western philosophy by replacing mythological explanations of the natural world with rational inquiry into a single unifying principle (archê). From Thales' ident
P_5_20 — Cicero: Roman Oratory, Natural Law, and Republican Philosophy
Marcus Tullius Cicero (106–43 BCE) — Roman statesman, orator, philosopher, and lawyer — stands as one of the most influential figures in Western intellectual history, bridging Greek philosophy and Roman practice, and tra
P_5_18 — Comparative Religion & the Science of Sacred Traditions
Comparative religion — the systematic study of the world's religious traditions through cross-cultural analysis — emerged as an academic discipline in the 19th century with Friedrich Max Müller's translation of the Sacre
ZE_5_07 — Ethics of Migration: Borders, Refugees, and the Right to Move
Migration ethics addresses one of the most consequential moral and political questions of the 21st century: who has the right to cross borders, who has the right to exclude, and what obligations states and individuals ow
ZE_4_03 — Business Ethics and Corporate Responsibility
Business ethics examines the moral principles governing commercial activity, while corporate social responsibility (CSR) and Environmental, Social, and Governance (ESG) frameworks address the broader obligations of corpo
ZE_4_02 — Ethics of Punishment and Restorative Justice
The ethics of punishment asks what justifies the state in deliberately imposing suffering — imprisonment, fines, community service, or historically corporal and capital punishment — on individuals who violate the law. Fo
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