Chemistry
Particles That Neither Dissolve Nor Sink: Colloids
A colloid is a mixture in which particles too small to see are evenly dispersed and suspended in another substance. This article explains how colloids differ from solutions, the co
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Earth science
The Sea's Red Warning - Causes of Red Tides and Response Strategies
Red waves that suddenly appear across a clear blue sea are more than a simple natural phenomenon: they are a red tide, which poses a major threat to marine ecosystems. Red tides ha
Economics
Consumer Price Index (CPI): A Key Indicator That Drives the Economy
The Consumer Price Index (CPI) is one of the key indicators in economics, used to measure changes in consumers' cost of living. This indicator plays an important role in various ar
Journalism & communication
A Persuasion Vaccine You Get in Advance: Inoculation Theory
Inoculation theory holds that people who meet weak counterarguments in advance and practice refuting them resist stronger persuasion later. This piece covers William J. McGuire’s 1
General knowledge
The World of Cat Language and Behavior
Cats are independent and charming animals loved by many people. To gain a deeper understanding of their behavior and characteristics, we need to examine their physiological traits,
Physics
String Theory: New Physics Exploring the Foundations of the Universe
The universe is a place with a structure so vast and complex that it surpasses our perception and imagination. Various theories have emerged to unravel the secrets hidden within it
Film & media
A Gaze That Tilts the World: The Dutch Angle
Why does a slightly tilted frame make us uneasy? This article covers what the Dutch angle is, its roots in German Expressionism and the origin of its name, how film and TV have use
Logistics
Balancing Ordering and Holding Costs: The Economic Order Quantity (EOQ)
The Economic Order Quantity (EOQ), presented by Ford W. Harris in 1913, is the order size that minimizes the sum of fixed ordering costs and inventory holding costs when demand is
Information technology
HTML Tag Reference (Image, Hyperlink, Text Tags, etc.)
HTML is short for Hyper Text Markup Language and is one of the languages needed to create websites. Here, HTML mainly uses the concept of tags to create web documents, and this art
Library & information science
Picking Search Results Like Blueberries: Berrypicking
Berrypicking, named by Marcia J. Bates in 1989, is a model of search in which queries and interests evolve and useful information is gathered bit by bit—unlike classical retrieval
Chemistry
Water Moving Across a Single Membrane: Osmosis
Why does salted cabbage release its water overnight? This article covers what osmosis is, the three factors that drive it, everyday examples, and reverse osmosis, the technology th
Food & nutrition
Magical Dietary Fiber That Protects Your Health: The Power of Fiber
Dietary fiber is one of the nutrients frequently mentioned in discussions of our everyday diet. However, many people do not fully understand exactly what dietary fiber is or why it