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.
311 results for "orthogonality thesis" — page 7 of 16
T_1_02 — Evolutionary Psychology — The Adapted Mind
Evolutionary psychology applies Darwinian natural and sexual selection to the human mind, proposing that cognitive mechanisms evolved as functional adaptations to recurrent problems faced by ancestral hunter-gatherers in
T_1_07 — Emotion Theory and Affect
Emotion theory addresses one of psychology's most fundamental and contested questions: What are emotions, where do they come from, and how many are there?
T_3_04 — Sleep Psychology and Dreams
Sleep occupies approximately one-third of human life yet its functions remain among the most actively investigated questions in neuroscience and psychology.
T_3_19 — Feral Children, Linguistic Deprivation, and Critical Period Evidence
Feral children — individuals who grew up with minimal or no human contact during their early years — provide the most compelling (and tragic) natural evidence for the critical period hypothesis in language acquisition. T
T_5_25 — Cognitive Evolution: The Development of Human Mental Capacities
Cognitive evolution — the study of how human mental capacities emerged and developed over evolutionary time — addresses one of the deepest questions in science: how did a lineage of African primates develop language, sym
T_5_06 — Digital Psychology and Screen Time
Digital psychology examines how digital technologies — smartphones, social media, video games, internet use — affect cognition, emotion, social behavior, and mental health. The field has become intensely debated since th
D_2_21 — Black Sea Deluge: Archaeological Evidence for Rapid Flooding
The Black Sea Deluge Hypothesis proposes that the Black Sea — now a large saline body connected to the Mediterranean via the Bosporus Strait — was once a significantly smaller, lower freshwater lake during the Last Glaci
B_1_08 — Horned Deities: Pan, Cernunnos, Pashupati, and the Devil's Horns
Horned deities — divine or semi-divine beings depicted with animal horns or antlers — represent one of the most persistent and contested iconographic traditions in world religion. From the "Sorcerer" of Trois-Frères (c.
ZD_1_08 — Lambda Calculus and Functional Programming
Lambda calculus, invented by Alonzo Church in the 1930s as a formal system for expressing computation via function abstraction and application, stands alongside Turing machines as a foundational model of computation. Chu
ZD_1_01 — Algorithms, Computation, and the Limits of Knowledge
An algorithm is a finite, unambiguous sequence of instructions for solving a problem — a concept formalized independently by Alan Turing (Turing machine, 1936) and Alonzo Church (lambda calculus) in response to David Hil
ZD_1_10 — Automata Theory and Formal Languages
Automata theory studies abstract computational machines and the classes of languages they recognize, forming the mathematical backbone of computer science. The Chomsky hierarchy (1956–59) classifies formal languages into
ZD_1_11 — Turing Machine, Computability, and the Limits of Computation
The Turing machine — a mathematical model of computation defined by Alan Turing in his 1936 paper "On Computable Numbers, with an Application to the Entscheidungsproblem" — is the foundational formalism of theoretical co
ZD_1_05 — Computational Complexity: P vs NP and the Limits of Efficient Computation
Computational complexity theory classifies problems not by whether they can be solved, but by how efficiently they can be solved — and its central open question, P vs NP, is one of the seven Clay Millennium Prize Problem
ZD_5_08 — Computer Music: Algorithmic Composition, Digital Audio, and AI Music
Computer music encompasses the creation, analysis, processing, and performance of music using computers — spanning algorithmic composition (generating music through formal procedures and code), digital audio signal proce
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_11 — Convergent Genetic Evolution — Same Solutions, Different Lineages
Convergent evolution — the independent evolution of similar features in species from different evolutionary lineages — is one of the most powerful demonstrations of natural selection's predictability and one of the deepe
L_1_07 — Genetic Bottlenecks, Founder Effects, and Toba
Genetic bottlenecks — dramatic reductions in population size that slash genetic diversity — and founder effects — the reduced variation carried by small colonizing groups — have profoundly shaped the genomes of species f
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_4_17 — Transgenerational Epigenetic Trauma
Transgenerational epigenetic inheritance of trauma — the hypothesis that severe stress, famine, or psychological trauma experienced by one generation can alter the epigenetic marks (DNA methylation, histone modifications
L_2_11 — Ancient DNA and the Indo-European Question
The Indo-European question — where was the homeland of the Proto-Indo-European (PIE) language, and how did the Indo-European family spread to encompass languages from Ireland to India? — has been one of the most debated
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