Chemistry
Separating by Differences in Boiling Point: Distillation
Distillation heats a liquid mixture, sends the more volatile components off as vapor first, then cools that vapor back into liquid to separate what was mixed. We look at its histor
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810 articles found
Education
The Key Impact of Educational Philosophy on Education
Educational philosophy is an academic field that identifies the nature and values of education and offers practical direction through systematic, in-depth inquiry into its purposes
Food & nutrition
The Secret of Deep Flavor: Umami
What is the deep, savory taste that is neither salty nor sweet? This article covers umami from Kikunae Ikeda's discovery to glutamate, inosinate and guanylate, the synergy effect,
Economics
Putting a Price on the Harm: Pigouvian Tax
A Pigouvian tax charges an activity that harms others a tax equal to that harm, so market prices reflect the true social cost. Learn about externalities, how the tax corrects the m
General knowledge
A Guide to Dog Characteristics and Interpreting Their Behavior
Understanding and caring for a dog's traits and behavior is an important task for every dog owner. This guide covers dogs' physical and physiological characteristics, the distincti
Design
Less but Better: Dieter Rams’ Ten Principles for Good Design
Dieter Rams’ Ten Principles for Good Design sum up, in ten sentences, the idea that design is not decoration but the work of making things useful, understandable and long-lasting.
General knowledge
Long Talk Only on Easy Things: The Law of Triviality
Why does a contract worth hundreds of millions of won pass in minutes while the office coffee takes an hour? This article explains Parkinson’s Law of Triviality, why people talk mo
Food & nutrition
A Map for Reading Post-Meal Blood Sugar: The Glycemic Index (GI)
The glycemic index is a value that shows how quickly and how much blood sugar rises after eating a particular food, relative to glucose (or white bread) set at 100. This article co
Library & information science
The Real Question Behind the Question Asked: The Reference Interview
A reference interview is the conversation in which a librarian refines a user’s first question and finds the information the person really needs. This article covers why it is need
Chemistry
Mirror-Image Twin Molecules: Chirality
Chirality is the property of an object or molecule that cannot be superimposed on its own mirror image. This article covers the basic definition of chirality, how mirror-image mole
Statistics
Maximizing Practical Use Through Data Correlation Analysis
Data analysis has become an important tool in the modern business environment. In particular, data correlation analysis plays a key role in understanding relationships among multip
Social welfare
Mental Health Welfare: Diverse Approaches and Practical Examples
In modern society, mental health welfare has become an essential support system. As stress and anxiety increase alongside a rapidly changing social environment, mental health issue