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Browse 6,168 skills across 448 packs and 38 categories

Showing 1–43 of 43 skills
43 skills found in Natural Sciences

Astrophysics

131L

Triggers when users need help with astrophysics, including stellar structure and evolution, the HR diagram, and nuclear fusion in stars. Activate for questions about white dwarfs, neutron stars, supernovae, galaxies, dark matter, dark energy, cosmic microwave background, Big Bang cosmology, and observational techniques in astronomy.

Natural SciencesPhysics

Classical Mechanics

129L

Triggers when users need help with classical mechanics, including Newton's laws, Lagrangian and Hamiltonian formulations, conservation laws, and rotational dynamics. Activate for questions about oscillations, central force problems, rigid body motion, Noether's theorem, orbital mechanics, and engineering applications of classical mechanics.

Natural SciencesPhysics

Computational Physics

166L

Triggers when users need help with computational physics, including numerical simulation methods and scientific computing. Activate for questions about molecular dynamics, Monte Carlo methods, finite element and finite difference methods, N-body simulations, lattice methods, parallel computing for physics, visualization of physical systems, and error analysis in numerical simulations.

Natural SciencesPhysics

Electromagnetism

125L

Triggers when users need help with electromagnetism, including Maxwell's equations, electrostatics, magnetostatics, and electromagnetic waves. Activate for questions about Gauss's law, Coulomb's law, Ampere's law, Biot-Savart law, electromagnetic induction, dielectrics, magnetic materials, waveguides, antennas, and electrical engineering applications.

Natural SciencesPhysics

Fluid Dynamics

135L

Triggers when users need help with fluid dynamics, including the Navier-Stokes equations, Bernoulli's principle, and viscous flow. Activate for questions about boundary layers, turbulence, potential flow, compressible flow, dimensional analysis, similarity, computational fluid dynamics, and applications in aerospace and meteorology.

Natural SciencesPhysics

General Relativity

133L

Triggers when users need help with general relativity, including the equivalence principle, curved spacetime, and Einstein field equations. Activate for questions about the Schwarzschild solution, geodesics, gravitational time dilation, gravitational waves, black holes, cosmological solutions, Friedmann equations, and GPS relativity corrections.

Natural SciencesPhysics

Nuclear Physics

131L

Triggers when users need help with nuclear physics, including nuclear structure, radioactive decay, and nuclear reactions. Activate for questions about the shell model, liquid drop model, alpha beta gamma decay, fission, fusion, cross sections, nuclear binding energy, nuclear power, medical isotopes, radiocarbon dating, and radiation safety.

Natural SciencesPhysics

Optics

133L

Triggers when users need help with optics, including geometric optics, wave optics, and modern photonics. Activate for questions about reflection, refraction, lenses, mirrors, interference, diffraction, polarization, Fourier optics, laser physics, fiber optics, optical instruments, thin films, and holography.

Natural SciencesPhysics

Quantum Field Theory

131L

Triggers when users need help with quantum field theory, including second quantization, the Dirac equation, and QED. Activate for questions about Feynman diagrams, renormalization, gauge theories, the Standard Model, symmetry breaking, path integrals, scattering theory, and applications in particle physics.

Natural SciencesPhysics

Quantum Mechanics

127L

Triggers when users need help with quantum mechanics, including wave functions, the Schrodinger equation, operators, and observables. Activate for questions about the uncertainty principle, hydrogen atom, angular momentum, spin, perturbation theory, variational method, WKB approximation, identical particles, entanglement, and the measurement problem.

Natural SciencesPhysics

Solid State Physics

134L

Triggers when users need help with solid-state physics, including crystal structure, band theory, and electronic properties of materials. Activate for questions about Bravais lattices, reciprocal space, Bloch's theorem, semiconductors, p-n junctions, transistors, superconductivity, BCS theory, magnetism, phonons, and materials science.

Natural SciencesPhysics

Special Relativity

132L

Triggers when users need help with special relativity, including Lorentz transformations, time dilation, and length contraction. Activate for questions about relativistic momentum and energy, four-vectors, spacetime diagrams, Minkowski space, mass-energy equivalence, relativistic kinematics, the twin paradox, and experimental evidence for special relativity.

Natural SciencesPhysics

Statistical Mechanics

132L

Triggers when users need help with statistical mechanics, including ensembles, partition functions, and quantum statistics. Activate for questions about Boltzmann distribution, Fermi-Dirac and Bose-Einstein statistics, ideal gases, phase transitions, Ising model, mean field theory, fluctuations, and connections to thermodynamics.

Natural SciencesPhysics

Thermodynamics

126L

Triggers when users need help with thermodynamics, including the laws of thermodynamics, heat engines, entropy, and free energy. Activate for questions about Gibbs and Helmholtz free energy, phase transitions, chemical potential, thermodynamic potentials, Maxwell relations, and applications in chemistry and engineering.

Natural SciencesPhysics

Analytical Chemistry

99L

Triggers when users need help with analytical chemistry, including qualitative and quantitative analysis, gravimetric and volumetric methods, spectroscopic methods such as UV-Vis, IR, NMR, and mass spectrometry, chromatography including GC, HPLC, and TLC, electroanalytical methods, sample preparation, method validation, and quality control. Activate for questions about chemical analysis, instrument techniques, data interpretation, or method development.

Natural SciencesChemistry

Biochemistry

98L

Triggers when users need help with biochemistry, including amino acids, protein structure, protein folding, enzymes, carbohydrates, lipids, membranes, nucleic acids, DNA, RNA, metabolism, glycolysis, TCA cycle, oxidative phosphorylation, photosynthesis, enzyme kinetics, Michaelis-Menten, signal transduction, and gene expression. Activate for questions about biological molecules, metabolic pathways, or the molecular basis of life.

Natural SciencesChemistry

Chemical Safety Lab

112L

Triggers when users need help with chemical safety and laboratory practices, including laboratory safety protocols, hazard identification, GHS pictograms, Safety Data Sheets, chemical storage and compatibility, waste disposal, fume hood operation, PPE selection, emergency procedures, safety culture, risk assessment for experiments, and regulatory compliance with OSHA and EPA. Activate for questions about lab safety, chemical handling, hazardous materials, or safe experimental design.

Natural SciencesChemistry

Computational Chemistry

113L

Triggers when users need help with computational chemistry, including molecular mechanics, semi-empirical methods, density functional theory, DFT, ab initio methods, Hartree-Fock, post-Hartree-Fock methods, molecular dynamics simulations, quantum chemistry software such as Gaussian, ORCA, and VASP, basis sets, and applications in drug discovery and materials science. Activate for questions about electronic structure calculations, force fields, simulations, or computational modeling of chemical systems.

Natural SciencesChemistry

Environmental Chemistry

99L

Triggers when users need help with environmental chemistry, including atmospheric chemistry, ozone depletion, greenhouse gases, aerosols, water chemistry, water treatment, contaminants, soil chemistry, biogeochemical cycles, carbon cycle, nitrogen cycle, phosphorus cycle, environmental toxicology, green chemistry principles, and remediation strategies. Activate for questions about pollution, environmental fate of chemicals, climate chemistry, or sustainable chemical practices.

Natural SciencesChemistry

General Chemistry

94L

Triggers when users need help with general chemistry topics, including atomic structure, periodic table trends, chemical bonding, Lewis structures, VSEPR theory, stoichiometry, balancing equations, the mole concept, gas laws, solutions, concentration, and acid-base chemistry. Activate for questions about pH, buffers, titrations, ionic and covalent bonding, metallic bonding, molecular geometry, or fundamental chemical calculations.

Natural SciencesChemistry

Inorganic Chemistry

97L

Triggers when users need help with inorganic chemistry, including coordination chemistry, crystal field theory, ligand field theory, organometallic compounds, bioinorganic chemistry, solid state chemistry, main group chemistry, transition metal chemistry, catalysis, symmetry operations, and group theory. Activate for questions about metal complexes, d-orbital splitting, point groups, or inorganic reaction mechanisms.

Natural SciencesChemistry

Materials Chemistry

104L

Triggers when users need help with materials chemistry, including synthesis of nanomaterials, semiconductors, ceramics, composites, thin films, surface modification, characterization techniques such as XRD, SEM, TEM, AFM, smart materials, biomaterials, and energy materials including batteries, solar cells, and fuel cells. Activate for questions about material design, synthesis, structure-property relationships, or characterization of solid-state and nanoscale materials.

Natural SciencesChemistry

Medicinal Chemistry

104L

Triggers when users need help with medicinal chemistry, including drug design principles, structure-activity relationships, SAR, pharmacokinetics, ADME, lead optimization, computational drug design, molecular docking, QSAR, natural products chemistry, prodrug strategies, drug resistance mechanisms, and the clinical development pipeline. Activate for questions about drug discovery, pharmaceutical chemistry, pharmacology, or the design of bioactive molecules.

Natural SciencesChemistry

Organic Chemistry

97L

Triggers when users need help with organic chemistry, including functional groups, IUPAC nomenclature, stereochemistry, chirality, R/S and E/Z configurations, reaction mechanisms, SN1, SN2, E1, E2 reactions, electrophilic addition, electrophilic aromatic substitution, carbonyl chemistry, retrosynthetic analysis, protecting groups, and named reactions. Activate for questions about organic synthesis, arrow-pushing mechanisms, or structure determination of organic compounds.

Natural SciencesChemistry

Physical Chemistry

103L

Triggers when users need help with physical chemistry, including chemical thermodynamics, enthalpy, entropy, Gibbs free energy, chemical kinetics, rate laws, Arrhenius equation, transition state theory, quantum chemistry basics, spectroscopy theory, surface chemistry, electrochemistry, Nernst equation, galvanic cells, electrolysis, and statistical thermodynamics. Activate for questions about energy, equilibrium, reaction rates, or the physical basis of chemical phenomena.

Natural SciencesChemistry

Polymer Chemistry

97L

Triggers when users need help with polymer chemistry, including addition and condensation polymerization, polymer structure and morphology, glass transition temperature, melting behavior, molecular weight distributions, polymer characterization, mechanical properties, conducting polymers, biopolymers, polymer processing, and sustainable polymers. Activate for questions about macromolecules, plastics, rubber, fibers, or polymer synthesis and properties.

Natural SciencesChemistry

Bioinformatics

110L

Triggers when users need help with bioinformatics, including sequence alignment, BLAST, Smith-Waterman, and multiple sequence alignment. Activate for questions about phylogenetic analysis, RNA-seq analysis pipelines, variant calling, protein structure prediction, AlphaFold, biological databases (GenBank, UniProt, PDB), metagenomics, systems biology, and biological network analysis.

Natural SciencesBiology Life Sciences

Biotechnology

123L

Triggers when users need help with biotechnology, including CRISPR-Cas9 gene editing, gene therapy, and synthetic biology. Activate for questions about metabolic engineering, fermentation technology, protein engineering, directed evolution, transgenic organisms, industrial biotechnology applications, and bioethics of emerging technologies.

Natural SciencesBiology Life Sciences

Cell Biology

106L

Triggers when users need help with cell biology, including cell structure, organelles, cytoskeleton, cell membrane transport and signaling. Activate for questions about the cell cycle, mitosis, meiosis, apoptosis, stem cells, cell culture techniques, microscopy methods (light, fluorescence, confocal, electron), and cellular signaling pathways.

Natural SciencesBiology Life Sciences

Ecology

118L

Triggers when users need help with ecology, including population ecology, growth models, carrying capacity, and competition. Activate for questions about community ecology, food webs, biodiversity, ecological succession, ecosystem ecology, energy flow, nutrient cycling, landscape ecology, conservation biology, climate change ecology, and invasion ecology.

Natural SciencesBiology Life Sciences

Evolutionary Biology

119L

Triggers when users need help with evolutionary biology, including natural selection, speciation, phylogenetics, and tree construction. Activate for questions about molecular clocks, adaptive radiation, sexual selection, coevolution, evo-devo, horizontal gene transfer, molecular evolution, human evolution, and evolutionary medicine.

Natural SciencesBiology Life Sciences

Genetics Genomics

112L

Triggers when users need help with genetics and genomics, including Mendelian inheritance, linkage and genetic mapping, population genetics, and quantitative traits. Activate for questions about Hardy-Weinberg equilibrium, genetic drift, natural selection, genome sequencing technologies (Sanger, NGS, long-read), genome assembly, GWAS, comparative genomics, pharmacogenomics, and heredity patterns.

Natural SciencesBiology Life Sciences

Immunology

103L

Triggers when users need help with immunology, including innate immunity, complement, phagocytes, and NK cells. Activate for questions about adaptive immunity, T cells, B cells, antibodies, antigen presentation, MHC, immunological memory, vaccines, autoimmune diseases, allergies, immunotherapy, checkpoint inhibitors, CAR-T cells, and transplant immunology.

Natural SciencesBiology Life Sciences

Marine Biology

117L

Triggers when users need help with marine biology, including ocean ecosystems such as coral reefs, deep sea, and pelagic environments. Activate for questions about marine biodiversity, oceanography basics (currents, salinity, temperature), fisheries biology, marine conservation, ocean acidification, marine biotechnology, and marine research methods (ROVs, acoustic surveys, satellite tracking).

Natural SciencesBiology Life Sciences

Microbiology

106L

Triggers when users need help with microbiology, including bacterial structure and physiology, viral biology, and fungal biology. Activate for questions about microbial genetics, biofilms, antibiotic resistance mechanisms, clinical microbiology, environmental microbiology, microbiome science, industrial microbiology, viral replication cycles, and microbial classification.

Natural SciencesBiology Life Sciences

Molecular Biology

91L

Triggers when users need help with molecular biology concepts and techniques, including DNA replication, transcription, translation, and gene regulation. Activate for questions about operons, enhancers, epigenetics, DNA repair mechanisms, recombinant DNA technology, cloning, PCR, gel electrophoresis, the central dogma, reverse transcription, and RNA interference. Also covers molecular biology experimental design and troubleshooting.

Natural SciencesBiology Life Sciences

Neuroscience

116L

Triggers when users need help with neuroscience, including neuron structure and function, action potentials, synaptic transmission, and neurotransmitter systems. Activate for questions about neural circuits, sensory systems, motor systems, learning and memory, LTP, neuroplasticity, brain imaging (fMRI, EEG, PET), and computational neuroscience.

Natural SciencesBiology Life Sciences

Plant Biology

118L

Triggers when users need help with plant biology, including photosynthesis, light reactions, Calvin cycle, and C3/C4/CAM pathways. Activate for questions about plant hormones (auxin, gibberellins, ethylene), plant development, germination, flowering, plant-pathogen interactions, plant genetics and breeding, crop science, plant biotechnology, and plant ecology.

Natural SciencesBiology Life Sciences

Carbon Accounting

74L

Master the principles and practices of measuring, tracking, and reporting greenhouse gas (GHG) emissions across organizational boundaries. Activate this skill when tasked with quantifying an entity's carbon footprint, developing sustainability reports, or formulating emissions reduction strategies.

Natural SciencesEnvironmental Science

Climate Modeling

72L

Construct, analyze, and interpret complex climate models to project future climate states and understand historical climate dynamics. Activate this skill when asked to predict climate scenarios, explain climate change mechanisms, or evaluate mitigation strategies through a modeling lens.

Natural SciencesEnvironmental Science

Ecology Field Methods

68L

Master the essential skills for designing, executing, and analyzing ecological data collection in natural environments. Activate this skill when tasked with planning a field study, conducting biodiversity surveys, monitoring environmental parameters, or interpreting results from direct ecological observations.

Natural SciencesEnvironmental Science

Environmental Impact Assessment

70L

Master the systematic process of identifying, predicting, evaluating, and mitigating the environmental and social consequences of proposed projects. Activate this skill when assessing the sustainability of new developments, ensuring regulatory compliance, or informing strategic decision-making for land use changes and infrastructure projects.

Natural SciencesEnvironmental Science

Water Resource Management

75L

Master the holistic principles and practices for sustainably developing, managing, and protecting water resources across various scales. Activate this skill when tasked with designing water allocation plans, formulating drought resilience strategies, assessing water quality, or developing integrated watershed management policies.

Natural SciencesEnvironmental Science