Why do our travel wishes change as we travel more? This guide explains Philip Pearce's Travel Career Ladder, its five levels of motivation, how travelers move up and down the ladde
Plate tectonics is the theory that Earth’s outer shell is divided into rigid plates that move over a weaker layer, causing earthquakes, volcanoes, and mountain ranges. This article
How can pencil lead and a diamond ring be made of exactly the same carbon? This article explains allotropes: what they are and how they arise, the many faces of carbon, examples fr
The peak-end rule is our tendency to judge a past experience mainly by its most intense moment and its final moment, rather than by its total or average. This article covers the cl
Why does performance often jump right after a new management practice is introduced, only to slip back later? This article explains the Hawthorne effect: its definition and the ori
Two foods with the same 20 g of protein can differ in quality. This article explains the Protein Digestibility Corrected Amino Acid Score (PDCAAS): essential amino acids, the three
What is the deep, savory taste that is neither salty nor sweet? This article covers umami from Kikunae Ikeda's discovery to glutamate, inosinate and guanylate, the synergy effect,
Why do some dialogue scenes feel so natural? This article explains the split edit, which cuts picture and sound at different moments, and the difference between the J-cut, where so
Every color we use in daily life has its own reasons and hidden psychology. This guide covers red, orange, yellow, green, blue, purple, brown, gray, white, and black, explaining th
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
The Charity Organization Society (COS) was a private organization founded in London in 1869 to coordinate scattered charities so that help was neither duplicated nor missed. This a
A “Sleeping Beauty in Science” is a paper that goes almost uncited for years after publication and then suddenly draws a surge of citations. This article covers what the term means