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793 articles found
General knowledge
Understanding and caring for a dog's traits and behavior is an important task for every dog owner. This guide covers dogs' physical and physiological characteristics, the distincti
Chemistry
A colloid is a mixture in which particles too small to see are evenly dispersed and suspended in another substance. This article explains how colloids differ from solutions, the co
Journalism & communication
Every morning, when we turn on our smartphones, we encounter a flood of news articles, real-time search rankings, and social media trending tabs. On some days, a particular politic
Food & nutrition
In modern society, food plays an indispensable role in our daily lives. Various food additives that help maintain the taste and quality of food and allow it to be stored longer hav
Physics
An eddy current is a swirling electric current induced inside a conductor such as metal by a changing magnetic field. This article covers how eddy currents arise, Lenz's law, why t
Journalism & communication
Korean media have developed in various forms over thousands of years. From ancient records and medieval methods of communication to modern digital media, the history of Korean medi
Statistics
The friendship paradox is the phenomenon in which most people's friends have, on average, more friends than they do. This article explains why it happens with a simple calculation,
Business administration
To develop a company's marketing or business strategy, both the internal and external environments must be considered and analyzed. This article focuses on a company's external env
Statistics
Nonparametric statistical methods are among the important methodologies that play a powerful role in data analysis. They can be useful when it is difficult to make assumptions abou
Tourism studies
In modern society, the boundary between work and rest is changing rapidly. While the binary idea of working when it is time to work and resting when it is time to rest once prevail
Earth science
Heat waves are occurring frequently around the world, and their intensity and frequency are steadily increasing. As a result, many people are experiencing health problems, and agri
Economics
Engel's law is the empirical rule that as income rises, the share of total spending that goes to food steadily falls. This piece covers the basic concept, the Engel coefficient and
