Psychology
Remembered by Its Peak and Its End: The Peak-End Rule
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
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Food & nutrition
The Temperature at Which Oil Starts to Smoke: Smoke Point
The smoke point is the temperature at which an oil or fat, when heated, begins to give off a continuous, visible bluish smoke. This article covers why oil smokes, what determines t
Film & media
The Camera That Circles Frozen Time: Bullet Time
Bullet time is a visual effect in which time seems to slow down or stop while the camera keeps moving around the scene at normal speed. This article explains how it differs from sl
Business administration
Why People Pay After Using It for Free: Freemium
Freemium is a pricing strategy that gives away a basic product or service for free and charges for better features, more capacity, or added convenience. This article covers where t
Chemistry
A Solid That Vanishes Without Melting: Sublimation
Sublimation is the process in which a solid turns directly into a gas without passing through the liquid state. This article covers the principle and conditions behind it, everyday
Earth science
The Moment an Underground Pressure Cooker Bursts: Geysers
A geyser is a hot spring that shoots out groundwater heated underground, together with steam, at regular intervals. This article covers where the name came from, the conditions gey
Information technology
Bugs Reveal Themselves When You Talk: Rubber Duck Debugging
Rubber duck debugging is a debugging method in which you find problems by explaining your code, line by line and out loud, to a rubber duck on your desk. This article covers where
Food & nutrition
Why Egg Whites Turn White and Firm: Protein Denaturation
Protein denaturation is the unraveling of a protein’s carefully folded three-dimensional structure by heat, acid, or physical force, while its amino acid sequence stays intact. Thi
Design
New but Not Unfamiliar: The MAYA Principle (Most Advanced Yet Acceptable)
Coined by industrial designer Raymond Loewy, the MAYA principle says a design should be as advanced as possible while staying within what people can accept. This article covers Loe
Education
The Belief That Ability Can Grow: Growth Mindset
A growth mindset is the belief that intelligence and talent can grow through effort, good strategies and help from others. We look at how it differs from a fixed mindset, the prais
Chemistry
Twin Atoms with Different Weights: Isotopes
Isotopes are atoms of the same element that differ in weight because they have different numbers of neutrons. We look at atomic structure, stable and radioactive isotopes, how carb
Food & nutrition
The Secret Behind Chewy Dough: Gluten
Gluten is a net-like mass of protein that forms when two wheat proteins meet water and become entangled. We look at how it forms, how flour types differ, the cooking tricks that st