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774 articles found
Library & information science
This time, we will explore the concepts of primary (1st-order) and secondary (2nd-order) sources, which are commonly discussed in library and information science. These are among t
Economics
Pension funds play an important role in the economy as key financial assets. Understanding their nature, main functions, and economic significance is essential to maintaining the g
Food & nutrition
Protein denaturation is the unraveling of a protein’s carefully folded three-dimensional structure by heat, acid, or physical force, while its amino acid sequence stays intact. Thi
Earth science
El Niño and La Niña are climate phenomena that arise from complex interactions between the atmosphere and the ocean, significantly influencing climate and weather patterns worldwid
Psychology
Rationalization is a psychological defense mechanism that refers to the process by which people create logical explanations for their behavior or emotions. It is an attempt to just
Information technology
How did the early internet keep working despite small differences between implementations? This article covers where Postel's Law (the Robustness Principle) came from, why it matte
Economics
The law of diminishing marginal utility describes how the extra satisfaction from getting one more of something keeps shrinking. We look at what marginal utility means, how the ide
Food & nutrition
Why doesn't honey spoil easily even though it contains water? This article explains water activity, a measure of the free water in food, and how it is measured, the limits below wh
Information technology
Smart grids play an important role in addressing the energy challenges of modern society and creating a sustainable future. Unlike traditional power grids, smart grids use informat
Film & media
How are the emotions and immersion we experience when watching films or video content created? They may come from an actor shedding tears on screen or from majestic music. Yet the
Robotics
Passive dynamic walking is the idea that a machine can walk using only gravity and inertia, with no motors or controllers, as long as its body shape and weight distribution are rig
Logistics
Returns, recalls, reusable crates, and recycling all flow in the opposite direction from ordinary shipping. This piece explains what reverse logistics covers, the collection–inspec
