Explore

The measurement and disclosure of what an organisation did with its money: financial and management accounting, audit, and what a standard leaves room for.

The production, propagation and perception of sound, in air, in water and in solids.

The law of the executive machine: how agencies are empowered, how they must decide, and how their decisions are reviewed.

Learning after the age when anyone makes you: retraining, continuing education, and the claim that adults learn differently from children.

Aircraft and spacecraft: aerodynamics, propulsion, structures, and the guidance that puts a vehicle where it is supposed to be.

Beauty, taste and the arts as philosophical problems: what makes something a work of art, and what an aesthetic judgment is actually claiming.

The economics of food and farming: land, commodity markets, subsidy and the rural economy that depends on all three.

Machinery, irrigation and structures for farming, and the processing of what comes off the field.

The science of growing food and fibre: crops, livestock, soils and the systems that tie them together. The umbrella node -- agronomy, horticulture, forestry, fisheries and animal science hang off it and are not authored yet.

Making capable AI systems behave as intended: alignment, interpretability, robustness, and evaluation of failure modes.

The study of mathematical symbols and the rules for manipulating them, from solving equations to abstract structures.

The geometry of solution sets of polynomial equations, studied through the algebra of the rings that define them.

The arithmetic of number fields and their rings of integers, where unique factorization can fail and ideals restore it.

Attaching algebraic invariants such as homotopy and homology groups to spaces, so that shapes can be told apart by computation.

The design and analysis of methods for organizing data and solving computational problems efficiently.

The methods used to identify and quantify the chemical components of materials.

Geometry done in coordinates, where curves and surfaces become equations.

Number theory done with the tools of analysis, where questions about primes are answered by studying functions such as the Riemann zeta function.

The structure of organisms and the arrangement of their parts.

The Greek of the archaic, classical and Hellenistic periods: its dialects, its grammar, and the body of text that carries it.

The earliest recorded civilizations through the end of antiquity, from the first written records to roughly the fall of Rome.

Rendering a patient insensible to an operation and keeping them alive through it: anesthesia, pain management and intensive care.

The study of humanity in the round: culture, language, biology and the material past, held together by the comparative and ethnographic method.

Religious life as it is actually lived: ritual, myth, magic and the sacred, described from inside a community rather than from its doctrine.

Moral theory brought to bear on particular practices: medicine, research, business, war, the environment and the rest.

Linguistic method turned on practical language problems: teaching and testing, translation, policy, and communication in institutions.

Mathematics developed for use outside mathematics: modelling, approximation, and the analysis of the models that result.

Arabic as an object of study: the classical and standard written language, and the spoken varieties that differ sharply from it.

The human past read from what it left behind: excavation, artefacts, settlement and landscape, for the long stretch of it that no document covers.

The made environment as a subject: buildings and objects judged both as engineering and as form, and the history and theory of designing either.

Works of art in their time: attribution and period, style and iconography, patronage, and what a picture meant to the people who first saw it.

The study of systems that perform tasks normally requiring human intelligence, such as reasoning and perception.

The study of the arts: painting, music, theatre, film, dance and literature as objects of scholarship -- their history, their forms, and what they are doing.

Life in the universe: how it began on Earth, what conditions could support it elsewhere, and how a search for it would be designed.

Measuring the positions and motions of celestial objects to the highest precision available. It is what fixes the reference frame every other observation is quoted against, and parallax measurement is what sets the distance scale.

The study of everything beyond the Earth: planets, stars, galaxies and the universe as a whole, and the instruments built to observe them.

Particle physics done with the universe as the source: cosmic rays, high-energy neutrinos, and the direct and indirect searches for dark matter.

The application of physics to celestial objects, from stars and galaxies to the structure of the universe.

The chemistry of the air: ozone, aerosols, greenhouse gases and the reactions that produce and destroy them.

The atmosphere as a physical and chemical system: its structure, its circulation, and the radiation passing through it.

The structure of atoms and molecules and how they absorb, emit and scatter radiation.

Abstract machines and the formal languages they recognize, from finite automata to Turing machines.

Road vehicles: powertrain, chassis and suspension, crash safety, and increasingly the electrification and autonomy of all of it.

The study of bacteria: their classification, physiology, genetics, and the diseases some of them cause.

Economics with a realistic person in it: bounded rationality, biases, framing and self-control, and what they do to models that assumed none of it.

The Hebrew Bible and New Testament studied as texts: their languages and manuscripts, their composition and sources, and the worlds they were written in.

The study of the chemical processes and substances that occur within living organisms.

The moral questions medicine and biology raise: consent, the end of life, resource allocation, and what should be done with a technology once it exists.

Why species live where they do: the distribution of life across the planet, and the ecological and evolutionary history behind the pattern.

The methods and tools that make biological data analysable: sequence alignment, annotation, and the databases behind them.

The role of metals in living systems -- the iron in haemoglobin, the zinc in enzymes -- and the synthetic models built to understand them.

Humans as an evolved and varying species: fossil ancestry, genetic variation, growth, adaptation, and the biology of living populations.

Behaviour traced to its biological substrate: hormones, genes, and the nervous system that carries all of it.

The study of living organisms, their structure, function, growth, evolution, and interactions.

The mechanics of living bodies: how bone and tissue bear load, how a joint moves, and how gait and posture can be measured.

Engineering applied to medicine: prosthetics, implants, imaging hardware, biomaterials and the devices that keep a failing organ working.

Physical methods and physical reasoning applied to living systems, from protein folding to nerve conduction.

Statistical methods built for biological and medical data: clinical trial design, survival analysis, and the inference problems that come with small, noisy samples.

Putting living systems to work: fermentation, recombinant proteins, cell culture and the industrial processes built around them.

The study of plants: their structure, growth, metabolism, reproduction and classification.

The general study of running a firm, and the umbrella the functional fields hang under: what the parts of a business are and how they fit together.

What a firm owes and to whom: responsibility beyond shareholders, the ethics of a corporate decision, and whether an organisation can be blamed for anything.

Firms and industries over time: how the large corporation came about, how families and states shaped enterprise, and what the archives say the managers were thinking.

Finding the function that minimizes or maximizes a quantity, from the shortest path to the least action.

The internal law of the Christian churches, and one of the two learned laws that shaped the European legal tradition.

The heart and the circulation: coronary disease, heart failure, arrhythmia, and the imaging and intervention around them.

Making maps: projection, generalisation, symbolisation, and the choices that decide what a map tells you and what it hides.

Substances that speed a reaction without being consumed by it. Homogeneous, heterogeneous and enzymatic, and the industrial chemistry that depends on all three.

Objects and the arrows between them, which turns constructions repeated across mathematics into one statement.

The motion of bodies under mutual gravity: orbits, resonances, perturbations, and the long-term stability of the solar system.

The structure and behaviour of the cell: its organelles, its division cycle, how it signals to its neighbours and how it dies.

Taking a reaction that works in a flask and making it work in a plant: reactor design, separation processes, heat and mass transfer, and process control.

How fast a reaction goes and by what mechanism: rate laws, elementary steps, and the transition states in between.

Energy, entropy and equilibrium in chemical systems -- which reactions can happen, and how far they go.

The study of matter, its composition, structure, properties, and the transformations it undergoes.

Chinese as an object of study, centred on Mandarin: its grammar, its tones, and a writing system older than any of its spoken varieties.

Separating a mixture by making its components travel at different speeds through a medium. The workhorse of analytical labs.

The built environment: buildings, bridges, roads, dams and water systems, and the question of whether they will stand up.

The general law of private relations -- persons, obligations, property and succession -- from which contract, tort and family law are carved out.

The conduct of a private lawsuit, from filing to enforcement, and the arbitration and settlement paths that route around it.

Languages studied chiefly through their surviving literature rather than through speakers: Latin, Ancient Greek, Sanskrit and their kin.

The motion of bodies under forces, from Newtonian dynamics to Lagrangian and Hamiltonian formulations.

The philology of Greek and Latin: the transmission of the ancient texts, their language, and the editions everything else is read from.

Climate rather than weather: the statistics of the atmosphere over decades and longer, the processes that set them, and how and why they change.

Mental disorder as a research subject: how it is classified and assessed, what causes it, and which treatments actually work.

Language treated as an outgrowth of general cognition, with meaning grounded in conceptual structure, metaphor and construal rather than in a grammar module of its own.

The mental processes behind behaviour: perception, attention, memory, language and reasoning, studied by experiment.

The mind studied jointly by the disciplines that have a claim on it: perception, memory, reasoning and language, approached through experiment, computation and the brain at once.

Finding the best object in a finite but enormous set: routing, scheduling, matching, and the hardness results that bound what is possible.

Counting, arranging and choosing: the study of finite structures and how many of them there are.

The law of business dealing and of the company itself: incorporation, governance, securities, insolvency and the trade transactions in between.

Well-being taken as a property of communities rather than individuals, and the study of interventions pitched at that level.

The theory of commutative rings and their ideals, and the algebraic ground on which algebraic geometry is built.

School systems set against each other: what one country's arrangement achieves that another's does not, and how badly the international league tables mislead.

What legal systems do with the same problem and why they differ: the common law and civil law families, legal transplants, and the traditions that cut across both.

Literature read across languages and traditions: influence and circulation, and what a text looks like once it has crossed a border.

Politics studied across cases: how regimes, parties, elections and institutions differ from one country to the next, and what explains the difference.

Behaviour and cognition compared across species, both for their own sake and for what they place in context about our own.

Religions set against each other: myth, ritual, scripture and institution compared across traditions, and the question of what they have in common at all.

The law against cartels, abuse of market power and mergers that would foreclose a market. The area where legal doctrine leans hardest on economic analysis.