Scientific concepts
Cross-cutting scientific concepts that appear across multiple works covered - each with its dedicated entry and the list of work-specific entries that mention it.
Alcoholic fermentation
The anaerobic pathway by which yeasts turn sugar into ethanol and CO₂, from wine to bread.
Combustion
The fast oxidation of a fuel that gives off heat and light, from a campfire to a rocket engine.
Redox
The reaction where electrons move from a reducing agent to an oxidising agent, behind combustion, corrosion and batteries.
Saponification
The reaction that turns a fat and a strong base into soap and glycerol.
Toxicology
The study of harmful substances and the role of dose, from natural poisons to toxic gases.