Chemistry
A Different Color for Every Element: The Flame Test
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
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Earth science
Terrain and Climate Change: The Hidden Mechanisms Behind Torrential Rain
Torrential rain is a phenomenon in which a large amount of precipitation falls over a short period. Because it can cause property damage and loss of life, understanding its causes
General knowledge
Masterpieces Are Always the Few: Sturgeon's Law
Sturgeon's Law is the rule of thumb that 90% of anything is crud. We look at how it came about, what it really means, similar ideas that came before it, and how to use it wisely in
Earth science
Drought: What Are Its Causes and Impacts, Cases in South Korea, and Response Measures?
Drought is one of the natural disasters with the most severe and widespread impacts, causing a variety of environmental, economic, and social problems. Climate change and populatio
Earth science
An Invisible Lid Over the Sky: Temperature Inversion
Why does a layer of air form that gets warmer, not colder, with height? This article explains how temperature inversions form and their types, their effects on fine dust, fog, and
Chemistry
Everything About New Drug Development: From Drug Design to Clinical Applications
Medicinal chemistry is an important foundational field in modern medicine, playing an essential role in understanding the molecular structures and mechanisms of action of drugs use
Tourism studies
Traveling to Help: Volunteer Tourism
Volunteer tourism is travel in which tourists spend part or all of their trip volunteering to help local communities or nature. We look at how it began, its main types, what travel
Design
New but Not Unfamiliar: The MAYA Principle (Most Advanced Yet Acceptable)
Coined by industrial designer Raymond Loewy, the MAYA principle says a design should be as advanced as possible while staying within what people can accept. This article covers Loe
Tourism studies
A Trip with Everything Arranged: The Package Tour
A package tour bundles transportation, accommodation, meals, and an itinerary into one product sold at a single price. This article traces its origins in Thomas Cook's 1841 train e
Statistics
The Core of Data Analysis: Null Hypothesis vs. Alternative Hypothesis
What the null and alternative hypotheses are, how to set them up for hypothesis testing, how significance level and statistical power shape the results, and three worked examples f
Library & information science
Splitting a Subject into Many Sides: Faceted Classification
Faceted classification divides a subject into non-overlapping aspects and combines their symbols into one class number. This piece covers enumerative versus analytico-synthetic cla
Journalism & communication
The Concept of Media Literacy and Effective Ways to Improve It
People today live in an age of information overload, with information pouring indiscriminately through the media. This has brought the importance of media literacy to the forefront