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807 articles found
Social welfare
A conditional cash transfer gives money to poor households only if they meet set conditions, such as keeping children in school or getting regular health checkups. This article cov
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
Social welfare
An ecological map, or eco-map, is an assessment tool that places a family or person in a central circle and draws their ties to surrounding systems such as work, school, hospitals,
Psychology
Rationalization is a psychological defense mechanism that refers to the process by which people create logical explanations for their behavior or emotions. It is an attempt to just
General knowledge
Why does trying to hide information make it spread even further? This article covers the 2003 lawsuit that gave the Streisand effect its name, four reasons suppression backfires, w
Social welfare
The growth of the older population is a prominent phenomenon worldwide, resulting from various factors such as improvements in quality of life, increased life expectancy, and advan
Business administration
Freemium is a pricing strategy that gives away a basic product or service for free and charges for better features, more capacity, or added convenience. This article covers where t
Food & nutrition
In modern society, maintaining health is becoming an increasingly important challenge. Many people try to protect their health through dietary supplements, but the effects of gluta
Physics
Cherenkov radiation is the cone of light given off when a charged particle moves through a material such as water or glass faster than light travels in that material. Learn how it
Physics
Why does a swing go higher and higher when you push it in rhythm? This article explains what resonance and natural frequency mean, how the swaying grows, its uses in musical instru
Statistics
콜센터에 걸려 오는 전화는 한 시간에 평균 몇 통일까요? 평균이 180통이라면 한 분에는 3통쯤 올 텐데, 어떤 분은 한 통도 안 오고 어떤 분은 갑자기 대여섯 통이 몰립니다. 이렇게 들쭉날쭉해 보이는 횟수에도 의외로 질서가 숨어 있습니다. 그 질서를 설명하는 것이 바로 푸아송 분포(Poisson Distribution)
Economics
Life is a series of choices. From the smallest questions when we open our eyes in the morning, such as "Should I sleep for 5 more minutes, or get up now?", to major decisions that
