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810 articles found
Social welfare
The settlement house movement sent educated young people to live in poor neighborhoods alongside residents, combining education, everyday support, and social reform. We look at how
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
Earth science
Lightning is one of the most remarkable electrical phenomena produced by nature. The moment lightning flashes is not only visually beautiful but also conceals complex scientific pr
Education
Why do we learn better ourselves when we try to teach others? This article explains the origins of the protégé effect, the Betty's Brain experiment, why preparing to teach deepens
Journalism & communication
In modern society, government policy announcements have a tremendous impact on people's lives. However, identifying the true intentions and strategies hidden behind these announcem
Journalism & communication
Inoculation theory holds that people who meet weak counterarguments in advance and practice refuting them resist stronger persuasion later. This piece covers William J. McGuire’s 1
Earth science
The westerlies are strong winds that blow from west to east across the Earth's mid-latitudes and have a major influence on climate and weather. This article covers how the westerli
Chemistry
Chemical synthesis is the process of creating new compounds by combining atoms and molecules, and it is an essential technology in modern science and industry. This technology play
Film & media
Rack focus shifts the sharp subject within a single shot by changing the lens focus, guiding the viewer's eye without a cut. This article covers how it works, what it says in a sto
Earth science
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
Chemistry
Nanotechnology precisely manipulates materials at the molecular or atomic level and is driving innovative changes across a variety of industries. In chemistry in particular, nanote
Design
Why do decisions take longer the more options there are? This article explains Hick's Law, covering its meaning and origins in a lamp experiment, decision time that grows logarithm
