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810 articles found
Psychology
In modern society, many people experience difficulty fully acknowledging their own success and feel as though their achievements were obtained through deception. This phenomenon is
Information technology
A Bloom filter is a probabilistic data structure that uses a tiny bit array to tell you a value is definitely not in a set. This article covers where it came from, how adding and c
Education
Why is what we learn easily so easily forgotten? This article explains desirable difficulty, as described by Robert Bjork, covering its meaning and origins, learning methods such a
Earth science
A volcanic winter is a drop in global temperatures lasting several years after a huge, sulfur-rich eruption spreads tiny sulfuric acid droplets through the stratosphere and blocks
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,
Economics
Moral hazard is the tendency to act more carelessly or boldly once risk has shifted to someone else. This article covers its meaning, how it differs from adverse selection, everyda
Library & information science
When a search list looks right at the top, how do you know what was left out? This piece explains precision and recall, the trade-off between them, the F1 score that combines both,
Journalism & communication
Why do we pick the media we do? Uses and Gratifications Theory, systematized in the 1970s by Elihu Katz, Jay Blumler, and others, sees people not as passive receivers of messages b
General knowledge
A business plan is an essential tool for running a successful business. It helps companies set goals, develop strategies through market analysis, and manage their finances systemat
Social welfare
Social exclusion is emerging as an important issue in modern society. Social exclusion refers to a situation in which particular groups or individuals are unable to participate in
Food & nutrition
Fat provides energy, builds cell structures, and helps absorb essential fatty acids and vitamins, but eating too much can cause health problems. This article explains what fat is,
Physics
Polarization of light is the state in which light’s vibrations are lined up in one direction. This article covers how polarization works, including Malus’s law, the three ways ligh
