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726 articles found
General knowledge
Betteridge's law of headlines is the adage that any headline ending in a question mark can almost always be answered with a single word: no. This article covers how the law came ab
Film & media
The rule of thirds is a composition principle that divides the frame into nine equal parts and places key subjects on the lines or where they meet. This article covers its basic pr
Journalism & communication
News values are the criteria that decide which events become news and how they are reported. This article covers Galtung and Ruge’s 1965 study that started the field, the main news
Psychology
The Asch conformity experiments, begun by social psychologist Solomon Asch in 1951, showed that people often go along with a group’s clearly wrong answer on a simple line-length ta
Food & nutrition
Protein denaturation is the unraveling of a protein’s carefully folded three-dimensional structure by heat, acid, or physical force, while its amino acid sequence stays intact. Thi
Social welfare
The Charity Organization Society (COS) was a private organization founded in London in 1869 to coordinate scattered charities so that help was neither duplicated nor missed. This a
Physics
Polarization of light is the state in which light’s vibrations are lined up in one direction. This article covers how polarization works, including Malus’s law, the three ways ligh
Logistics
Postponement strategy delays the final steps that make products different, such as color, packaging, or language, until customer orders or demand become clear. This article covers
Library & information science
A “Sleeping Beauty in Science” is a paper that goes almost uncited for years after publication and then suddenly draws a surge of citations. This article covers what the term means
Robotics
Passive dynamic walking is the idea that a machine can walk using only gravity and inertia, with no motors or controllers, as long as its body shape and weight distribution are rig
Design
Coined by industrial designer Raymond Loewy, the MAYA principle says a design should be as advanced as possible while staying within what people can accept. This article covers Loe
Education
Proposed by educational psychologist David Ausubel, an advance organizer is a broad, general idea presented before new material so it can connect to what learners already know. Thi
