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774 articles found
Food & nutrition
In modern society, maintaining health is becoming an increasingly important challenge. Many people try to protect their health through dietary supplements, but the effects of gluta
Earth science
Isostasy is the idea that the crust floats on the denser mantle and balances at a height set by its thickness and density. This piece covers how the theory arose, the Airy and Prat
Psychology
The Asch conformity experiments, begun by social psychologist Solomon Asch in 1951, showed that people often go along with a group’s clearly wrong answer on a simple line-length ta
Tourism studies
Cultural tourism interpreters play an important role in helping people understand and enjoy tourist destinations and cultural heritage more deeply. By providing visitors with exten
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
Physics
Why does a free kick bend and a curveball drop? This article covers Newton's tennis ball, Magnus's cylinder experiment, the pressure difference created by spin, its uses in sports
Design
Skeuomorphism is a design approach that keeps the look of old objects on new products so they feel familiar. This piece covers the word’s Greek roots and archaeological origins, ev
Food & nutrition
Caramelization is the reaction in which sugar, heated to high temperatures, breaks down and recombines into brown compounds and aroma molecules. We look at how it works, the temper
Statistics
Simpson's paradox is the phenomenon in which a relationship seen within separate groups weakens or even reverses when the groups are combined. This article covers its definition, w
Psychology
A “list price” makes a sale price feel cheap, and an opening offer steers a whole negotiation—because the first number we see becomes our benchmark. This article explains the ancho
Tourism studies
Adventure tourism is a rapidly growing field that occupies an important place in modern tourism studies. This article first examines the definition and historical background of adv
Social welfare
Productive welfare is a new paradigm in social welfare that pursues individual self-reliance and social inclusion simultaneously, with sustainable development as its goal. As vario
