Education
The Secret of Learning That Lasts: Desirable Difficulty
Why is what we learn easily so easily forgotten? This article explains desirable difficulty, as described by Robert Bjork, covering its meaning and origins, learning methods such a
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794 articles found
Food & nutrition
What Are the Functions of Carbohydrates, and How Do They Affect Weight Loss?
Carbohydrates are one of the indispensable nutrients in our daily diet and are a major source of energy. Carbohydrates are divided into simple and complex carbohydrates, each of wh
Earth science
A Band of Water Vapor Flowing Through the Sky: Atmospheric Rivers
An atmospheric river is a long, narrow band of water vapor, evaporated from warm oceans, that flows along the lower atmosphere for thousands of kilometers. We look at where the nam
Film & media
The Empty Object Everyone Chases: The MacGuffin
Why does a film stay gripping even when we never learn what is in the briefcase everyone is chasing? This article explains the MacGuffin, a story device that is vital to the charac
Economics
The Secret Code Hidden in Every Choice You Make: Opportunity Cost
Life is a series of choices. From the smallest questions when we open our eyes in the morning, such as "Should I sleep for 5 more minutes, or get up now?", to major decisions that
Food & nutrition
Sorting Food by Processing, Not Nutrients: The Nova Food Classification
Nova sorts food into four groups by how much and why it has been industrially processed, rather than by nutrients like fat or sugar. This article covers how it arose, what the four
Information technology
The Concept and Applications of 3D Printers
Considered one of the innovations of modern technology, 3D printers are bringing major changes to industries ranging from manufacturing to medicine, education, and art. 3D printers
Design
The Bigger the Target, the Faster You Reach It: Fitts's Law
You have probably tried to tap a small close button on your phone screen and ended up tapping an unintended ad. By contrast, the large payment button at the bottom of the screen is
Psychology
The First Number Becomes the Benchmark: The Anchoring Effect
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
Design
Tone and Manner That Shape a Brand's First Impression and Character
When you are walking down the street and see red lettering against a yellow background, a particular fast-food brand naturally comes to mind. When you see wording in a plain, restr
Economics
Only the Bad Cars Remain: The Market for Lemons
Why can good products disappear from a market where buyers cannot judge quality? This article covers Akerlof's 1970 paper, how adverse selection drives good goods out, examples bey
Physics
String Theory: New Physics Exploring the Foundations of the Universe
The universe is a place with a structure so vast and complex that it surpasses our perception and imagination. Various theories have emerged to unravel the secrets hidden within it