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810 articles found

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Economics

Reading the Economy through the Producer Price Index (PPI)

The Producer Price Index (PPI) is an economic indicator and an important tool for measuring changes in the prices of goods and services that producers supply to the market. It does

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Earth science

Why Cities Run Hotter: The Urban Heat Island

An urban heat island is when a city runs warmer than the countryside around it. This piece covers Luke Howard’s early records in London, why pavement and buildings trap heat, how t

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General knowledge

Anything That Can Go Wrong Will Go Wrong: Murphy's Law

Murphy's Law is the rule of thumb that anything that can go wrong eventually will. This piece covers its origins in the U.S. Air Force's MX981 rocket sled tests and Edward Murphy's

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Business administration

The Deep Gap Before the Mainstream Market: The Chasm

Why do new products that get off to a brilliant start stall before reaching the mainstream market? This article explains the chasm, the deep gap between early adopters and the earl

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Food & nutrition

How to Measure Spiciness in Numbers: The Scoville Scale

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

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Social welfare

Easy to Change, Secure to Live: Flexicurity

Flexicurity pairs a labour market in which firms can hire and dismiss with generous social protection for those who lose a job. This article covers Denmark's “golden triangle,” its

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Physics

New Interpretations of Dark Energy and Cosmic Expansion

The universe is so vast that its limits are impossible to fathom, and countless mysteries lie hidden within it. Humanity has pursued research tirelessly over a long period to uncov