Adenosine triphosphate (ATP) stores and transfers chemical energy for nearly every process in your body, from muscle contraction to nerve signaling.

Appeasement is a diplomatic policy of making concessions to an aggressive power to avoid conflict.

The most common scientific term for any living thing is an organism, a word that covers everything from a single bacterium to a blue whale.

An inorganic salt is an ionic compound without carbon-hydrogen bonds that dissolves in water to form electrolytes essential for nerve signaling.

An information system integrates hardware, software, databases, networks, people, and procedures to collect, process, store.

Examples of epidemics include smallpox, yellow fever, measles, polio, and cholera — each caused a sharp rise in cases above the expected baseline.

In sociology, alienation is a condition of estrangement from one’s work, community, or own nature, often created by capitalist systems of production.

A trendline is a line on a chart that reveals the overall direction of data points, helping you identify patterns and forecast future values.

A translation of a shape is a geometric slide that moves every point the same distance and direction without rotating or resizing.

A totalitarian leader is a dictator with absolute power over public and private life, controlling media, education, and personal beliefs.