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592 articles found
Journalism & communication
Media priming is the phenomenon in which issues the media highlights become the standards we use to judge people and policies later. From Iyengar and Kinder’s 1987 experiments and
Psychology
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
An emulsion keeps immiscible liquids together as tiny droplets with the help of emulsifiers. From mayonnaise and milk to butter, this piece walks through O/W and W/O types, Bancrof
Social welfare
Housing First gives people experiencing homelessness a permanent home first, without requiring sobriety or treatment, and then adds the support they choose. This piece covers how i
Physics
An object in a fluid is buoyed up by the weight of the fluid it displaces. This piece explains Archimedes’ principle, why buoyancy comes from pressure differences with depth, when
Logistics
Returns, recalls, reusable crates, and recycling all flow in the opposite direction from ordinary shipping. This piece explains what reverse logistics covers, the collection–inspec
Library & information science
When a search list looks right at the top, how do you know what was left out? This piece explains precision and recall, the trade-off between them, the F1 score that combines both,
Robotics
How does a robot with no map work out both its surroundings and its own position? This piece explains SLAM: the chicken-and-egg problem behind it, its roots in the 1986 IEEE roboti
Design
Why do people assume a prettier app is easier to use before they try it? This piece explains the aesthetic-usability effect through Kurosu and Kashimura’s 1995 ATM study, Tractinsk
Education
Why did students tutored one-to-one outscore 98% of an ordinary class? This piece explains Bloom’s 2 sigma problem: the three teaching methods Bloom compared in 1984, what standard
Tourism studies
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
Economics
Can rebuilding after a disaster or war really make a society richer? This piece explains the broken window fallacy through Frédéric Bastiat’s 1850 parable of the seen and the unsee
