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794 articles found
General knowledge
Regular health checkups have become an important means of maintaining personal health and improving quality of life in modern society. Through regular checkups, many people can det
Library & information science
Government reports, theses, conference papers and working papers: what grey literature is, where the term came from, why research needs it, and why it is so hard to find and preser
Psychology
Psychology uses the concepts of personal space and territory to study how we perceive and try to protect our physical and emotional space. Personal space and territory are importan
Journalism & communication
How do you write a press release or news article that busy readers will actually take in? This article covers the basics of article writing, the inverted pyramid, pyramid, and diam
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
Food & nutrition
Gluten is a net-like mass of protein that forms when two wheat proteins meet water and become entangled. We look at how it forms, how flour types differ, the cooking tricks that st
Chemistry
Le Chatelier's principle states that when a system at chemical equilibrium is disturbed by a change in concentration, pressure, or temperature, the equilibrium shifts in the direct
Library & information science
A handy reference to the Korean Decimal Classification (KDC, 6th edition) used in Korean public and school libraries: how main classes, divisions, sections, and subdivisions work,
Food & nutrition
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
The Korean stock market is constantly changing in response to global economic trends and domestic political changes, and the pace and patterns of these changes are becoming increas
Journalism & communication
News values are the criteria that decide which events become news and how they are reported. This article covers Galtung and Ruge’s 1965 study that started the field, the main news
Library & information science
The Five Laws of Library Science are five short principles, published by the Indian mathematician and librarian S. R. Ranganathan in 1931, that sum up whom and what a library exist
