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810 articles found
Psychology
In psychology, impressions are considered a very important concept, and the first impressions we form of other people or things have a very powerful influence. These impressions gr
Economics
The Laffer Curve is a hill-shaped graph showing that tax revenue is zero at both a 0% and a 100% tax rate, so some rate in between brings in the most. This article covers its napki
Food & nutrition
Carbohydrates are one of the indispensable nutrients in our daily diet and are a major source of energy. Carbohydrates are divided into simple and complex carbohydrates, each of wh
Information technology
Big data has established itself as a key driver of innovation and development in modern society. Various industries are using big data to make better decisions, improve efficiency,
Library & information science
The theory and practice of information organization play a central role in maximizing information discovery and use through the systematic classification and arrangement of materia
Food & nutrition
The Scoville Scale expresses how hot a chili pepper is as a number, the Scoville Heat Unit (SHU). This article explains why spiciness is actually pain, how the scale is measured by
Information technology
Why does adding people to a late software project often make it even later? This article covers the origin of Brooks's Law and the illusion hidden in the man-month, why adding peop
Statistics
The Monty Hall problem is a classic conditional-probability puzzle about how to update the odds when new information arrives. This piece covers the host’s rules, why switching wins
Physics
Rayleigh scattering, worked out by Lord Rayleigh in 1871, is the scattering of light by particles much smaller than its wavelength, such as air molecules, and it is far stronger fo
Statistics
The normal distribution plays a central role in statistics and data analysis. This article covers its basic concepts and characteristics, its mathematical definition and properties
Design
Every day, we live amid countless advertisements and marketing campaigns. Within this flood, there are figures with the power to instantly capture our attention and move our hearts
Education
Special education is an educational program designed for students who have special educational needs related to their individual learning abilities, physical abilities, sensory abi
