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794 articles found
Tourism studies
Why do people travel, and why do they choose a particular place? This article explains the origins of push-pull theory, push factors as travel motives, pull factors as destination
Food & nutrition
Protein is an essential nutrient for maintaining our body's basic health and functions. It forms the structure of our body's cells, performs numerous life-sustaining functions, and
Tourism studies
A duty-free shop sells goods to travelers leaving the country without customs duties or value-added tax. This article covers how duty-free shops began, why they can drop taxes, the
Film & media
VFX(Visual Effects) is an important technology widely used in modern film, games, advertising, and various media industries. VFX uses computer graphics and animation to create and
General knowledge
Chesterton’s Fence is the principle that you shouldn’t remove a rule or custom until you understand why it exists. This piece covers its origin in G. K. Chesterton’s 1929 essay, th
Journalism & communication
The sleeper effect is the phenomenon in which a message from a hard-to-believe source has little power at first but becomes more persuasive as time passes. We look at how it was di
Physics
The universe we live in is filled with countless forms of matter. The desk in front of us, the air we breathe, and even we ourselves all have mass. But one of the most fundamental
Statistics
The ecological fallacy is the mistake of assuming that conclusions drawn from group-level data apply equally to each individual in the group. This article covers how the name arose
Chemistry
Le Chatelier's principle states that when a system at chemical equilibrium is disturbed by a change in concentration, pressure, or temperature, the equilibrium shifts in the direct
Information technology
Drones are used in more and more fields, from the military to commercial, industrial, and personal use. This article explains what drones are, where they are used, the key technolo
Earth science
How does the ocean carry heat around the planet? This article covers how temperature and salt drive deep-ocean currents, the route of the global conveyor belt, its effects on clima
Psychology
The McGurk effect is an illusion in which a mismatch between the sound you hear and the lip movements you see makes you hear a sound that was never actually spoken. This article co
