Economics
The Higher the Price, the More People Buy: The Giffen Good
A Giffen good is a good whose quantity demanded rises when its price rises and falls when its price falls, going against the law of demand. We look at where the name came from, why
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Earth science
The Hot Wind That Crosses the Mountains: The Foehn Effect
Why can one side of a mountain range be cool and damp while the other is hot and dry? This article explains the foehn effect: how air changes temperature as it rises and descends o
Social welfare
Turning Surplus Food into Meals for Those in Need: Food Bank
A food bank is an organization and system that collects donated food that is still edible but hard to sell and distributes it to people struggling to get enough to eat and to welfa
Robotics
From Fingertip Goals Back to Joint Angles: Inverse Kinematics
Inverse kinematics finds the joint angles that place a robot’s end effector at a desired pose. This piece covers forward versus inverse kinematics, multiple or missing solutions an
Business administration
Corporate Strategy Analysis Tool - The BCG Matrix (What Is a Cash Cow?)
This time, we will explore the BCG matrix, a tool for assessing a company's current situation and analyzing the direction it should take in the future. The BCG matrix is a corporat
Tourism studies
Characteristics of Tourism Behavior and Stages of Tourist Decision-Making
Tourism is an activity in which individuals or groups visit other regions or countries for various purposes, such as relaxation, exploration, and education. These activities are la
Psychology
The More You See It, the More You Like It: The Mere Exposure Effect
The mere exposure effect is our tendency to like things more simply because we encounter them repeatedly. From Zajonc’s 1968 experiments and perceptual fluency to ads, music, and r
Food & nutrition
Room for Dessert Even When You're Full: Sensory-Specific Satiety (SSS)
Why does your appetite come back for dessert even when you feel too full to eat another bite? This article explains sensory-specific satiety: what it is, the brain and evolutionary
Robotics
Robots That Grow Creepier the More Human They Look: The Uncanny Valley
The uncanny valley is the phenomenon in which our affinity for a robot or doll grows as it becomes more humanlike, then suddenly drops into unease when it looks almost, but not qui
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
Information technology
Just Keep the Key Secret: Kerckhoffs's Principle
Kerckhoffs's Principle holds that a cryptographic system should stay secure even if everything except the key is known. This piece covers Auguste Kerckhoffs's 1883 “La Cryptographi
Chemistry
The Force That Restores Balance: Le Chatelier's Principle
Le Chatelier's principle states that when a system at chemical equilibrium is disturbed by a change in concentration, pressure, or temperature, the equilibrium shifts in the direct