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810 articles found
Earth science
Auroras are among the most beautiful and mysterious natural phenomena that color Earth's night sky. This light show, observed mainly in the skies near the North and South Poles, ha
Social welfare
Social adaptability refers to an individual's ability to respond appropriately to various social environments and changes while maintaining smooth relationships with others. It is
Statistics
The coupon collector’s problem asks how many random draws it takes, on average, to collect every type at least once. Learn how the average is calculated, what the numbers look like
Library & information science
We live in an age of 'information overload,' with an enormous amount of information and books pouring out every day. Everyone has probably experienced feeling overwhelmed about whi
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
Logistics
If you have ever bought something directly from overseas, you are probably familiar with the term “customs clearance.” It is the process by which the goods you ordered pass through
Earth science
An urban heat island is when a city runs warmer than the countryside around it. This piece covers Luke Howard’s early records in London, why pavement and buildings trap heat, how t
Statistics
The secretary problem asks how to maximize the chance of picking the very best candidate when you must decide on each one on the spot. This article explains its rules, why the answ
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
A library call number is the unique code on a book's spine that tells you where it sits and sets it apart from other items. This guide explains its parts: location marks, classific
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
Education
Educational evaluation plays an essential role in the education system and is an important means of assessing learners' achievement and improving the quality of education. Through
