Economics
Same Product, Different Price: Price Discrimination
Price discrimination is the strategy of selling the same product or service at different prices to different groups of consumers. This article covers the concept, the first-, secon
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793 articles found
Earth science
Why Cities Run Hotter: The Urban Heat Island
An urban heat island is when a city runs warmer than the countryside around it. This piece covers Luke Howard’s early records in London, why pavement and buildings trap heat, how t
Social welfare
A Life Outside the Market: Decommodification
Can you still protect your livelihood when illness or job loss keeps you from working? This article explains decommodification as defined by Gøsta Esping-Andersen, the criteria use
Education
The Power to Use What You Learned Somewhere New: Transfer of Learning
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
Food & nutrition
Types and Functions of Fat, and How Should You Eat It?
Fat provides energy, builds cell structures, and helps absorb essential fatty acids and vitamins, but eating too much can cause health problems. This article explains what fat is,
Business administration
Does Going First Win? First-Mover Advantage
First-mover advantage is the edge a company gains by entering a market before anyone else. We look at where that edge comes from, the costs pioneers pay, what historical research r
General knowledge
The More You Hide It, the Further It Spreads: The Streisand Effect
Why does trying to hide information make it spread even further? This article covers the 2003 lawsuit that gave the Streisand effect its name, four reasons suppression backfires, w
Robotics
The Secret to Walking Without Falling: The Zero Moment Point
The Zero Moment Point (ZMP) is the point under the feet where ground forces create no tipping moment, long used to judge whether a biped robot will fall. This piece covers the supp
Film & media
The Concept and Types of Video Resolution - SD, HD, FHD, UHD, and More
Resolution is a key factor that determines the clarity and detail of video. This article covers the concept of resolution, types such as SD, HD, FHD, and UHD, the difference betwee
Statistics
The Four Types of Measurement Scales Made Easy: Nominal, Ordinal, Interval, and Ratio Scales
A scale assigns numbers to the attributes of people or objects so they can be expressed statistically. This article explains the four types of scales widely used in sociology, psyc
Social welfare
Help That Starts from the Strengths People Already Have: The Strengths Perspective
The strengths perspective is a social work approach that places the talents, resources, and hopes of people, families, and communities at the center of helping. We look at its orig
Tourism studies
Where Does Tourists’ Money Go? Tourism Leakage
Why does so little of what tourists spend reach local fishermen and neighborhood restaurants? This piece explains tourism leakage: how tourism revenue reaches the local economy, im