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810 articles found
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
Economics
Gross domestic product (GDP) is one of the most important indicators in modern economics, used to measure the size and growth of a country's economy. By capturing the sum of a coun
Social welfare
Social welfare used to be simple. It consisted entirely of delivering goods (In-kind), such as rice or instant noodles, to neighbors facing financial hardship, or depositing a set
Logistics
An automated storage and retrieval system (AS/RS) is equipment in which machines, directed by a computer, store goods in assigned locations and retrieve them when needed. This arti
Business administration
An introduction to the blue ocean and red ocean, two basic concepts for understanding market environments, plus the purple ocean that combines them, explained through examples from
Tourism studies
Why does a once-crowded beach resort end up with faded signs and empty hotels, while an unknown quiet village suddenly becomes famous? This article explains the Tourism Area Life C
Earth science
Snowball Earth is the hypothesis that Earth’s surface was once almost entirely covered in ice during the Cryogenian Period. This article explains how the idea arose, the ice-albedo
Social welfare
Providing fair opportunities and benefits to everyone is a very important task in modern society. In particular, people with disabilities face various difficulties in daily life an
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
Chemistry
How can pencil lead and a diamond ring be made of exactly the same carbon? This article explains allotropes: what they are and how they arise, the many faces of carbon, examples fr
Film & media
A bone becomes a satellite, a match becomes a desert sun—what is that edit? This article explains the match cut: how it differs from a jump cut, graphic, action, and auditory types
Earth science
Tides, the periodic rise and fall of sea level, are driven mainly by the gravity of the Moon and the Sun. This article covers how tides work, the differences between high and low t
