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790 articles found
Business administration
The principal-agent problem is the conflict that arises when the interests of the person who hands over a job and the person who takes it on diverge. We look at why it happens, how
Film & media
Diegetic sound is sound whose source we accept as being inside the story world, like dialogue, footsteps, or a radio in the scene, while non-diegetic sound such as background music
Social welfare
The settlement house movement sent educated young people to live in poor neighborhoods alongside residents, combining education, everyday support, and social reform. We look at how
Library & information science
Why are the papers on a subject concentrated in just a few journals? This article explains how Bradford's law came about, dividing journals into zones in the ratio 1 : n : n², its
Film & media
The Kuleshov Effect is the phenomenon in which viewers create new meaning and emotion on their own when the same shot is joined to different shots. This article covers the concept
Physics
A sonic boom is the loud sound made when the shock waves created by an object moving faster than sound reach the ground. This article explains how sonic booms form, the small sonic
Chemistry
Chemical bonds form through the interaction of atoms and electrons and determine the properties of matter. Explore the basic principles of chemical bonding and how ionic, covalent,
Food & nutrition
Why doesn't honey spoil easily even though it contains water? This article explains water activity, a measure of the free water in food, and how it is measured, the limits below wh
Earth science
Why can one side of a mountain range be cool and damp while the other is hot and dry? This article explains the foehn effect: how air changes temperature as it rises and descends o
Psychology
Where does the feeling that nothing you do will work come from? This article covers Seligman's experiments, attributional style, how neuroscience overturned the explanation in 2016
