Statistics
The Illusion That Comes After Choosing: Berkson's Paradox
Berkson's Paradox is the phenomenon in which a false inverse relationship appears between two unrelated traits when you look only at a group filtered by some criterion. This piece
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Psychology
The Psychology and Science of Lying: A Journey to Uncover the Truth
Lying is a common behavior in our daily lives, and its psychology and motivations illustrate the complexity of human behavior. People lie for various reasons, and these lies take d
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
Earth science
The Ocean's Giant Conveyor Belt: Thermohaline Circulation
How does the ocean carry heat around the planet? This article covers how temperature and salt drive deep-ocean currents, the route of the global conveyor belt, its effects on clima
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
Design
Design Anyone Can Use: Universal Design
Universal design is a way of designing products and spaces so that as many people as possible can use them, regardless of age, build, or disability, without separate modifications
Psychology
The Illusion That Everyone Is Watching Me: The Spotlight Effect
Have you ever felt that everyone notices only your mistakes? This article explains what the spotlight effect is, the T-shirt experiment, why the illusion arises, everyday examples,
Journalism & communication
A Neighbor’s Word Over the Newspaper: The Two-Step Flow of Communication
Why does a friend’s recommendation often sway us more than an ad? This article explains Lazarsfeld’s two-step flow theory—how media messages reach opinion leaders first and then sp
Education
What Is Educational Technology, How Is It Classified, and What Are Its Prospects?
Education is a powerful means of changing the world and plays a central role in the development of our society and the renewal of culture. One way to deliver this education more ef
Food & nutrition
Same Protein, Different Quality: The Protein Digestibility Corrected Amino Acid Score
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
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
Statistics
The Illusion That Next Time Will Be Different: The Gambler's Fallacy
If a coin lands heads five times in a row, will the next toss be tails? This article explains the gambler's fallacy, the belief that past results change what comes next, along with