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772 articles found
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
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
Library & information science
This time, on the subject of an important concept in cataloging within resource organization theory (information organization theory), authority, I would like to prepare some mater
Psychology
The self (ego) is one of the most important concepts in human psychology and a key element in understanding an individual's identity and self-awareness. The self (ego) goes beyond
Chemistry
Corrosion is the process by which a metal reacts chemically with its surroundings, loses its original properties, and breaks down. This piece covers how iron rusts, what happens wh
Physics
Why does an ambulance siren suddenly drop to a lower, drawn-out pitch the moment it passes you? This guide explains the Doppler effect, from its basic concept and working principle
Statistics
The Will Rogers phenomenon is when moving some members from one group to another raises the averages of both groups. This article covers where the name came from and how it works,
Physics
Why can a full glass of water bulge above the rim without spilling, and how do water striders walk on ponds? This article explains how surface tension arises, why water's is unusua
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
Education
Transfer of learning is the way earlier knowledge or skills affect learning and problem solving in new situations. This piece covers the concept and its origins, the main types of
Library & information science
The Mundaneum was a vast index-card archive founded in Brussels by Belgian lawyers Paul Otlet and Henri La Fontaine to gather the world’s knowledge in one place. This article cover
Statistics
What the null and alternative hypotheses are, how to set them up for hypothesis testing, how significance level and statistical power shape the results, and three worked examples f
