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810 articles found
Social welfare
When we say someone has a “need,” we can mean four different things. This article walks through Bradshaw’s Taxonomy of Social Need: normative, felt, expressed and comparative need,
Library & information science
This time, we will explore the concept of repositories, which are primarily established and used by universities and research institutions, and ways to obtain research papers for f
Design
A guide to color schemes organized by nine moods (Clear, Tender, Natural, Active, Casual, Classic, Elegant, Modern, Ethnic), with the colors to use, colors to avoid, and tips for e
Statistics
Data analysis plays an essential role in business and research. Insights gained through data analysis play an important role in optimizing decision-making, improving performance, a
Logistics
The lithium batteries in the smartphones we use every day, the gasoline we put in our cars, the sprays we use to repel mosquitoes in summer, and even the disinfectants used to prod
Robotics
What determines how a robot can move? This article explains degrees of freedom, covering what the term means, how six-axis industrial robot arms work, the degrees of freedom of the
Earth science
Upwelling is the process in which cold, nutrient-rich water from the deep rises to fill the gap left when wind pushes surface water away. We look at how it works, where it happens,
Psychology
Too little tension and we drift; too much and our minds go blank. This article traces the Yerkes-Dodson Law from the original 1908 mouse experiment to the inverted-U curve, explain
Psychology
Self-efficacy is the belief that an individual can achieve a goal in a particular situation, and it has an important influence on the individual's behavior, emotions, and overall q
Information technology
Blockchain technology is one of the innovative technologies that have attracted rapidly growing interest and attention in recent years. As a distributed system capable of replacing
Journalism & communication
Why does the world feel more dangerous after hours of news and crime dramas? This article explains cultivation theory, which holds that long-term, heavy media exposure gradually sh
Economics
Why can good products disappear from a market where buyers cannot judge quality? This article covers Akerlof's 1970 paper, how adverse selection drives good goods out, examples bey
