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777 articles found
Information technology
Machine learning is central to modern technological progress, driving changes across various industries at the heart of the data revolution. Having established itself as an essenti
Economics
Price discrimination is the strategy of selling the same product or service at different prices to different groups of consumers. This article covers the concept, the first-, secon
Physics
Black holes are among the most mysterious objects in the universe. This article looks at how they form, from dying massive stars to the first stars after the Big Bang, traces the h
Statistics
Simpson's paradox is the phenomenon in which a relationship seen within separate groups weakens or even reverses when the groups are combined. This article covers its definition, w
Tourism studies
Cohen’s Tourist Typology sorts travelers into four types depending on how much they seek familiarity or novelty. This article covers the environmental bubble, the traits of the fou
Psychology
Anger is one of the most powerful and primal emotions humans can experience. This emotion is shaped in complex ways by biological, psychological, and social factors, and it affects
Earth science
Why has Earth swung back and forth between glacial and interglacial periods? This article explains the Milankovitch cycles, the slow but regular changes in Earth's orbit and axis:
Education
Scaffolding is a teaching strategy that gives learners temporary support for tasks they cannot yet do alone and gradually removes it as their abilities grow. This article covers it
Earth science
Dew consists of tiny water droplets commonly seen in nature, but its formation and roles are highly complex and have important significance. Dew forms when water vapor in the atmos
Film & media
An anamorphic lens squeezes a wide scene only horizontally onto film or a sensor, then stretches it back by the same ratio to create a widescreen image. This article covers how it
Social welfare
Unemployment benefits are an important social safety net that provides financial stability when workers unexpectedly lose their jobs. Provided as part of the employment insurance s
Design
Design is a form of visual communication that plays a central role in conveying information and emotion. Proportion is a particularly important element of design, defining the rela
