UPSC - CSE · General Studies III
Science & Technology
Space, biotech, IT, defence, energy, and emerging tech.
- Articles
- 31
- Topic areas
- 3
- Last updated
- Sep 2026
Non-Communicable Diseases: Heart Disease, Cancer, Diabetes and Chronic Lung Disease in India
Non-communicable diseases explained: cardiovascular diseases, hypertension, diabetes, obesity, types of cancer, causes of cancer and mental health.
Communicable Diseases: Bacterial, Viral, Protozoan and Vector-Borne Diseases in India
Communicable diseases explained: pathogens, diseases caused by bacteria and virus, malaria life cycle, dengue, kala azar and vector borne diseases.
Advanced Materials: Composites, Smart Materials, Superconductors and Rare Earths
Advanced materials explained: composites and carbon fibre, smart materials, superconductors, OLED, rare earth elements, semiconductors and 3D printing.
Nuclear Fission and Fusion: Radioactivity, Half-Life and Nuclear Reactors
Nuclear fission and fusion explained: radioactivity, half-life, binding energy, reactors, fast breeders, India's three-stage programme and ITER.
Electric Current and Magnetism: Ohm’s Law, Electromagnetic Induction and Transformers
Electric current explained: Ohm's law, resistance, heating effect, magnetic effects, electromagnetic induction, transformers and semiconductors.
Nanotechnology: Nanomaterials, Carbon Nanotubes and Applications
Nanotechnology explained: the nanoscale, nanoparticles and nanomaterials, carbon nanotubes, uses in medicine and farming, India's Nano Mission, and risks.
Electrochemistry: Electrolysis, Batteries, Lithium-Ion Cells and Fuel Cells
Electrochemistry explained: galvanic cells, the electrochemical series, electrolysis, lithium-ion and sodium-ion batteries, and hydrogen fuel cells.
Reflection and Refraction of Light: Total Internal Reflection, Dispersion and Optics
Reflection and refraction of light explained: mirrors, lenses, refractive index, total internal reflection, dispersion, scattering and the human eye.
Sound Waves: Speed of Sound, Doppler Effect, Ultrasound and SONAR
Sound waves explained: why they are mechanical and longitudinal, the speed of sound, echo, resonance, the Doppler effect, ultrasound, SONAR and noise.
Heat and Thermodynamics: Laws of Thermodynamics, Specific Heat and Heat Transfer
Laws of thermodynamics explained with heat and temperature, specific heat capacity, latent heat, conduction, convection, radiation and engines.
Newton’s Laws of Motion and Gravitation: Force, Momentum and Satellites
Newton's laws of motion and gravitation explained: equations of motion, inertia, momentum, friction, the law of gravitation, g, satellites and tides.
Carbon and Its Compounds: Allotropes, Hydrocarbons, Polymers and Plastics
Carbon and its compounds explained: catenation, allotropes of carbon, hydrocarbons and fuels, soaps and detergents, polymers and plastic pollution.
Metals and Non-Metals: Reactivity Series, Metallurgy, Alloys and Corrosion
Metals and non-metals explained: properties, the reactivity series, metallurgy and mining, alloys, toxic metals, corrosion and rusting of iron.
Immunity and Vaccines: Immune System, Types of Immunity and Vaccination in India
Immunity explained: immune system, lymphatic system, types of immunity, antibody and antigen, types of vaccines and the national immunization schedule.
Endocrine System: Endocrine Glands, Hormones and Their Functions
Endocrine system explained: endocrine system diagram, pituitary gland diagram, thyroid gland diagram, hormones and their functions, insulin and glucagon.
Acids, Bases and Salts: pH Scale, Indicators and Everyday Salts
The pH scale explained with acids, bases and salts: indicators, pH of blood, acid rain, neutralisation, baking soda, bleaching powder, plaster of Paris.
Chemical Reactions and Chemical Bonding: Types, Redox, Catalysts and Smog
Chemical reactions and chemical bonding explained: ionic and covalent bonds, types of chemical reactions, redox, catalysts and photochemical smog.
Nervous System: Neuron, Nerve Impulse, Human Brain and Reflex Action
Human nervous system explained: nervous system diagram, neuron structure, synapse, parts of brain, reflex action and a labelled human brain diagram.
Excretory System: Human Kidney, Nephron Structure and Urine Formation
Human excretory system explained: excretory system diagram, nephron structure, urine formation, dialysis, kidney stones and kidney transplant.
Modern Periodic Table: History, Groups, Blocks and Periodic Trends
Modern periodic table explained: Mendeleev to Moseley, groups, periods and blocks, periodic trends, and element families from halogens to rare earths.
Atomic Structure: States of Matter, Bohr Model, Isotopes and Electronic Configuration
Atomic structure explained: states of matter, the Bohr model, quantum numbers, isotopes and isobars, and the rules of electronic configuration.
Respiratory System: Human Lungs, Mechanism of Breathing and Gas Exchange
Human respiratory system explained: respiratory system diagram, mechanism of breathing, lung volumes, lung capacity and the oxygen dissociation curve.
Circulatory System: Human Heart, Blood, Blood Groups and Double Circulation
Circulatory system explained: the human heart diagram, blood and plasma, ABO and Rh blood groups, double circulation, ECG and blood pressure.
Vitamins and Minerals: Vitamin Deficiency Diseases, Malnutrition and Nutrition Programmes
Vitamin deficiency diseases for UPSC: fat- and water-soluble vitamins, iron and iodine, marasmus and kwashiorkor, food fortification and PM POSHAN.
Human Digestive System: Alimentary Canal, Digestive Enzymes and Balanced Diet
Human digestive system for UPSC: the alimentary canal organ by organ, digestive enzymes and where each acts, bile, villi, and a balanced diet.
Cell Cycle and Cell Division: Mitosis, Meiosis, Stem Cells and Cancer
Cell cycle and cell division: phases of the cell cycle, mitosis and meiosis compared, apoptosis, types of stem cells, stem cell therapy and cancer cells.
Cell Structure and Function: Organelles, Membrane and Cell Types
Cell structure and function: cell theory, prokaryotic and eukaryotic cells, the plasma membrane, cell organelles, and how plant and animal cells differ.
Types of Satellite Orbits: LEO, MEO, Geostationary, Polar and Sun-Synchronous
Types of satellite orbits explained: LEO, MEO, geostationary, polar, sun-synchronous, transfer orbits and Lagrange points, with Indian examples.
Science and Technology in India: Role in Development, Institutions and Missions
Science and technology in India: how research drives development, the institutions behind it, ISRO, nuclear power, R&D spending and national missions.
Maternal Spindle Transfer and Mitochondrial Replacement Therapy: Techniques, Three-Parent Babies and Ethics
Mitochondrial replacement therapy explained: maternal spindle vs pronuclear transfer, mitochondrial disease, three-parent babies, regulation and ethics.
Gas Hydrates (Methane Hydrate): Formation, Reserves in India, Extraction and Climate Risk
Methane hydrate explained: what gas hydrates are, why they are called fire ice, India's reserves and NGHP, extraction, climate risk and shale gas.
No article matches that search. Try a shorter word.