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787 articles found
Robotics
Asimov’s Three Laws of Robotics are a set of prioritized rules: a robot must not harm humans, must obey human orders, and must protect itself. We look at how the laws were born, wh
Library & information science
Library anxiety is the discomfort, worry, and fear people feel when they need to find and use materials in a library, and the urge to avoid asking for help that comes with it. This
Earth science
Floods are natural disasters that threaten countless lives and properties around the world every year. Climate change and rapid urbanization are increasing the frequency and intens
Statistics
The coupon collector’s problem asks how many random draws it takes, on average, to collect every type at least once. Learn how the average is calculated, what the numbers look like
General knowledge
Writing reports is a big part of college life, but it can be hard for first-year students. This guide covers report structure, research, the cover page and table of contents, and h
Social welfare
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
Film & media
How are the emotions and immersion we experience when watching films or video content created? They may come from an actor shedding tears on screen or from majestic music. Yet the
General knowledge
The Nobel Prize is one of the world's most prestigious awards, presented annually to individuals or organizations that have achieved outstanding accomplishments in their respective
Tourism studies
Why do our travel wishes change as we travel more? This guide explains Philip Pearce's Travel Career Ladder, its five levels of motivation, how travelers move up and down the ladde
Design
When a product feels simple, where did its complexity go? This article covers the origins of Tesler's Law, the three parties who share the burden of complexity, everyday examples,
Journalism & communication
Why do opposing sides both feel the same news report is biased against them? This article covers the 1985 Vallone, Ross and Lepper study, why the effect occurs, how it shows up in
Statistics
Public opinion polls are powerful tools for collecting and analyzing our thoughts and opinions in modern society. They play an important role across politics, the economy, and soci
