Book1940
A Mathematician's Apology
G. H. Hardy
A working mathematician's defence of pure mathematics as an art form judged by beauty rather than utility.
Project Sherlock
The modern internet optimises for time spent, not for whether you end up sharper. This is the correction: an open index of the reading, lectures and papers that actually repay attention — across every subject of human knowledge.
Nothing is generated. Nothing is ranked by engagement. Every entry names a real source you can go and check. Browse the directory below, drill down as far as you like, and follow the link to the original.
- Domains
- 39
- Fields
- 449
- Topics
- 4,224
- Curated works
- 501
The Directory
Every branch of knowledge, categorised down to the topic
39 domains open into 449 distinct fields and 4,224 topics. Engineering separates into mechanical, aerospace, electrical and seventeen more. History separates by period and region, then by civilisation. Nothing is left as a catch-all.
Formal & Natural Sciences
10 / 110
Mathematics
The study of structure, quantity, change and space — and the only field where a result, once proved, stays proved.
Foundations & Logic · Algebra · Number Theory · Analysis
11 / 102
Physics
The search for the smallest set of rules that accounts for everything that happens.
Classical Mechanics · Electromagnetism · Thermodynamics & Statistical Mechanics · Quantum Mechanics
10 / 84
Chemistry
The science of substances, their transformations, and the bonds that make matter interesting.
Physical Chemistry · Organic Chemistry · Inorganic Chemistry · Analytical Chemistry
9 / 83
Astronomy & Space Science
Everything above the atmosphere: what is out there, how it got there, and how we get to it.
Observational Astronomy · Planetary Science · Stellar Astrophysics · Galactic & Extragalactic Astronomy
9 / 76
Earth & Environmental Science
The planet as a coupled physical, chemical and biological system operating on deep time.
Geology · Geophysics · Oceanography · Atmospheric Science & Meteorology
7 / 59
Statistics & Data Science
Reasoning under uncertainty — the discipline most often invoked and least often applied correctly.
Statistical Inference · Bayesian Statistics · Causal Inference · Experimental Design
Technology & Engineering
16 / 175
Computer Science
What can be computed, how fast, and how to build machines and programs that do it reliably.
Algorithms & Data Structures · Theory of Computation · Programming Languages · Compilers & Interpreters
12 / 120
Artificial Intelligence
Systems that learn from data — the fastest-moving field in this index, and the one with the worst signal-to-noise ratio.
Machine Learning Foundations · Deep Learning · Natural Language Processing · Computer Vision
20 / 214
Engineering
Applying science under constraint — cost, time, materials and the certainty that something will fail.
Mechanical Engineering · Aerospace Engineering · Electrical Engineering · Electronics & Embedded Systems
Life & Health Sciences
17 / 172
Biology
Living systems at every scale — molecule, cell, organism, population, biosphere — unified by one idea: descent with modification.
Cell Biology · Molecular Biology & Genetics · Genomics & Bioinformatics · Evolutionary Biology
31 / 295
Medicine & Health
Clinical knowledge, public health and the evidence base underneath both — an area where bad information does measurable harm.
Human Anatomy & Physiology · Internal Medicine & Diagnosis · Cardiovascular Medicine · Neurology & Neurosurgery
10 / 88
Neuroscience
The organ that produces mind — studied from ion channels up to consciousness.
Cellular & Molecular Neuroscience · Neuroanatomy · Systems Neuroscience · Cognitive Neuroscience
Social Sciences
14 / 132
Economics
How societies allocate scarce resources — and why the incentives usually explain more than the intentions.
Microeconomics · Macroeconomics · Econometrics · Behavioural Economics
14 / 139
Finance & Investing
Capital allocation under uncertainty — the field where a good mental model compounds and a bad one is expensive.
Corporate Finance · Investment Theory · Valuation · Equity Markets
12 / 116
Business & Management
Building and running organisations — where most advice is survivorship bias and a minority is genuinely load-bearing.
Strategy · Entrepreneurship & Startups · Marketing · Sales & Business Development
13 / 121
Psychology
The scientific study of mind and behaviour — including a hard-won understanding of how easily its own findings mislead.
Cognitive Psychology · Judgement & Decision Making · Social Psychology · Developmental Psychology
12 / 101
Sociology & Anthropology
Human beings as social animals — the structures they build, inherit, and rarely notice.
Sociological Theory · Social Stratification & Inequality · Race, Ethnicity & Migration · Gender & Sexuality
10 / 102
Politics & Government
Power — how it is acquired, constrained, distributed and abused.
Political Theory · Comparative Politics · International Relations · Geopolitics & Grand Strategy
13 / 117
Law
The formal rules societies enforce, the reasoning used to apply them, and the gap between the two.
Legal Reasoning & Method · Constitutional Law · Criminal Law & Procedure · Contract Law
9 / 78
Education & Learning
How people learn, how they are taught, and the wide gap between the evidence and standard practice.
The Science of Learning · Pedagogy & Instructional Design · Curriculum & Assessment · Self-Directed Learning
8 / 71
Media & Communication
How information moves through a society — and, increasingly, how it gets corrupted on the way.
Information Literacy · Misinformation & Disinformation · Journalism · Rhetoric & Persuasion
Humanities
31 / 318
History
The record of what people did and why — organised by period and region, because that is how the evidence organises itself.
Prehistory & Human Origins · Mesopotamia & the Ancient Near East · Ancient Egypt · Ancient Greece
15 / 146
Philosophy
The discipline of asking what a question actually means before answering it.
Logic · Epistemology · Metaphysics · Ethics & Moral Philosophy
10 / 82
Religion & Theology
Belief systems as historical, textual and social realities — studied, not preached.
Comparative Religion · Judaism · Christianity · Islam
10 / 81
Linguistics & Language
Language as a natural object — structured, learnable, and far stranger than it looks.
Phonetics & Phonology · Morphology & Syntax · Semantics & Pragmatics · Historical & Comparative Linguistics
12 / 112
Literature
Written art — the technology humans use to transmit interior experience across time.
Literary Theory & Criticism · Poetry · The Novel · Drama & Theatre Literature
10 / 79
Archaeology
Reconstructing the past from what people left behind rather than what they wrote down.
Archaeological Method & Theory · Dating & Scientific Techniques · Prehistoric Archaeology · Classical & Mediterranean Archaeology
Arts & Culture
10 / 98
Visual Arts
Image-making across media and centuries, plus the theory used to argue about it.
Drawing & Painting · Sculpture & Three-Dimensional Art · Printmaking & Works on Paper · Art History: Ancient to Medieval
10 / 101
Music
Organised sound — theory, practice, history and the technology that keeps redefining it.
Music Theory · Composition & Songwriting · Performance & Instruments · Western Classical Tradition
8 / 73
Film & Moving Image
The dominant narrative art form of the twentieth century, and its digital successors.
Film Language & Analysis · Filmmaking Craft · Film History · World Cinema
7 / 66
Architecture & Built Environment
Buildings and cities — the art form everyone is forced to live inside.
Architectural Design · Architectural History · Modern & Contemporary Architecture · Urban Design & Planning
7 / 59
Design
Intentional problem-solving through form — the discipline that decides how most objects and interfaces behave.
Design Fundamentals · Typography · Graphic & Brand Design · Product & Industrial Design
5 / 42
Performing Arts
Art that exists only while it is being performed.
Theatre Practice · Theatre History & Traditions · Dance · Comedy & Spoken Performance
Applied & Practical
10 / 91
Thinking & Personal Effectiveness
The general-purpose skills: reasoning clearly, deciding well, writing plainly and getting things done.
Critical Thinking · Decision Making · Mental Models & Frameworks · Probabilistic Thinking & Forecasting
8 / 70
Craft, Trades & Making
Physical skill — knowledge that lives in the hands and cannot be acquired by reading alone.
Woodworking · Metalwork & Fabrication · Building Trades · Electrical & Plumbing
9 / 84
Agriculture & Food Systems
How food is grown, moved and eaten — the largest human industry and the one with the biggest footprint.
Crop Science & Agronomy · Livestock & Animal Husbandry · Sustainable & Regenerative Agriculture · Horticulture & Gardening
8 / 71
Health, Fitness & Human Performance
The practical side of the body — an area where the evidence is clearer than the internet suggests.
Strength Training · Endurance & Conditioning · Mobility, Recovery & Injury · Practical Nutrition
6 / 49
Outdoors, Navigation & Survival
Competence in environments that do not accommodate you.
Wilderness Skills · Navigation · Mountaineering & Climbing · Water & Sea
6 / 47
Games, Strategy & Play
Structured competition — small enough to analyse completely, complex enough to teach real lessons.
Chess · Go & Abstract Strategy · Card & Probability Games · Strategy & Wargaming
The Library
Works that changed how their field thinks
Each entry states its actual argument in one line, so you can tell before you commit whether it is worth your evening.
Paper1936
On Computable Numbers, with an Application to the Entscheidungsproblem
Alan Turing
Defines the universal machine and proves the halting problem undecidable — the founding document of computer science.
36 pages
Essay1960
The Unreasonable Effectiveness of Mathematics in the Natural Sciences
Eugene Wigner
Asks why mathematics invented for its own sake keeps turning out to describe physical reality, and offers no comfortable answer.
14 pages
Book1953
Principles of Mathematical Analysis
Walter Rudin
The standard first course in rigorous analysis, austere to the point of severity — it teaches proof by refusing to do any of the work for you.
Advanced
Book300 BCE
Elements
Euclid
Derives the whole of classical geometry from five postulates, and in doing so invents the axiomatic method every later mathematics is written in.
Intermediate
Book1989
Concrete Mathematics
Graham, Knuth & Patashnik
The discrete mathematics needed to actually analyse algorithms — sums, recurrences and generating functions, taught as a manipulable craft.
Lecture1964
The Feynman Lectures on Physics
Richard Feynman
A full undergraduate physics course rebuilt around physical intuition rather than problem-set mechanics.
3 volumes
Intermediate
Paper1905
On the Electrodynamics of Moving Bodies
Albert Einstein
Special relativity derived from two postulates, dissolving absolute time without introducing a single new force.
31 pages
Complete domain index
- Mathematics10
- Physics11
- Chemistry10
- Astronomy & Space Science9
- Earth & Environmental Science9
- Statistics & Data Science7
- Computer Science16
- Artificial Intelligence12
- Engineering20
- Biology17
- Medicine & Health31
- Neuroscience10
- Economics14
- Finance & Investing14
- Business & Management12
- Psychology13
- Sociology & Anthropology12
- Politics & Government10
- Law13
- Education & Learning9
- Media & Communication8
- History31
- Philosophy15
- Religion & Theology10
- Linguistics & Language10
- Literature12
- Archaeology10
- Visual Arts10
- Music10
- Film & Moving Image8
- Architecture & Built Environment7
- Design7
- Performing Arts5
- Thinking & Personal Effectiveness10
- Craft, Trades & Making8
- Agriculture & Food Systems9
- Health, Fitness & Human Performance8
- Outdoors, Navigation & Survival6
- Games, Strategy & Play6