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809 articles found
Chemistry
An in-depth look at chromatography, an essential tool in chemical analysis: its basic principles and history, major techniques such as HPLC, GC, IC, SEC, and paper and thin-layer c
Design
Why do sites we use for the first time still feel easy? This article explains the origin of Jakob's law as stated by Jakob Nielsen, the principles of mental models and conventions,
General knowledge
Betteridge's law of headlines is the adage that any headline ending in a question mark can almost always be answered with a single word: no. This article covers how the law came ab
Journalism & communication
Media priming is the phenomenon in which issues the media highlights become the standards we use to judge people and policies later. From Iyengar and Kinder’s 1987 experiments and
Education
The educational environment of the 21st century is changing rapidly, and curriculum design and innovation are essential to keep pace with these changes. To meet the complex and div
Film & media
Bullet time is a visual effect in which time seems to slow down or stop while the camera keeps moving around the scene at normal speed. This article explains how it differs from sl
Earth science
An atmospheric river is a long, narrow band of water vapor, evaporated from warm oceans, that flows along the lower atmosphere for thousands of kilometers. We look at where the nam
Journalism & communication
Why does the gap between those who know and those who don't widen as information floods in? This article covers what the knowledge gap hypothesis means and where it came from, why
Food & nutrition
Protein is an essential nutrient for maintaining our body's basic health and functions. It forms the structure of our body's cells, performs numerous life-sustaining functions, and
Earth science
In recent years, fine particulate matter has emerged as a major problem threatening the environment and human health. It is frequently found all around us, and its adverse effects
General knowledge
Why do things that have already lasted a long time tend to last even longer? This article explains where the name Lindy Effect came from, what kinds of things it applies to, how to
Journalism & communication
Four Theories of the Press (1956) sorted the world's press into authoritarian, libertarian, social responsibility, and Soviet communist theories. This article covers what each beli
