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810 articles found
Library & information science
Why do a handful of words appear on every page while most words show up only once or twice? This article covers how Zipf's Law became known, the inverse relationship between rank a
Food & nutrition
Sugars play an important role in the diet, but excessive intake can cause a variety of health problems. To prevent these problems and maintain optimal health, it is essential to ha
Psychology
Psychology uses the concepts of personal space and territory to study how we perceive and try to protect our physical and emotional space. Personal space and territory are importan
Chemistry
Environmental problems involving chemicals are recognized as among the serious environmental problems worldwide. Various chemicals released by human activities pollute the air, wat
Chemistry
A flame test identifies metal elements by the unique color of light they emit in a flame. This piece covers how the colors arise, Bunsen and Kirchhoff’s spectroscopy, fireworks, an
Business administration
A step-by-step look at the marketing strategies used by companies and organizations: 3C analysis of the environment, SWOT analysis, the STP strategy, and the 4Ps of the marketing m
Information technology
Advances in AI technology are bringing new changes to our lives. We can now interact with artificial intelligence (AI) that thinks and learns like humans. Among these technologies,
Social welfare
What if everyone received the same money every month, no questions asked? This article covers the origins of basic income from More and Paine, its five defining features, experimen
Statistics
In many naturally occurring sets of numbers, smaller leading digits appear far more often: about 30.1% start with 1, and only about 4.6% with 9. This article explains the definitio
Design
Affordance is the relationship in which an object’s physical and perceptual characteristics suggest what actions a user can take. This article covers its origins, perceived afforda
Earth science
A volcanic winter is a drop in global temperatures lasting several years after a huge, sulfur-rich eruption spreads tiny sulfuric acid droplets through the stratosphere and blocks
Economics
A monopoly market is a structure in which a particular company dominates the market and can control prices and production. It has various effects on the economy as a whole and has
