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810 articles found
Journalism & communication
Muckrakers were reform-minded journalists and writers of America's Progressive Era who doggedly investigated and exposed political corruption, monopoly abuses, and harsh working co
Physics
Pascal’s principle states that pressure applied to a confined fluid at rest is transmitted undiminished throughout the fluid. We look at how it was formulated, how hydraulic device
Robotics
Swarm robotics is the field of robotics that designs many simple robots to work together without a central leader, using only signals exchanged with nearby peers. This piece covers
Statistics
The Monty Hall problem is a classic conditional-probability puzzle about how to update the odds when new information arrives. This piece covers the host’s rules, why switching wins
Library & information science
Why do a handful of words appear on every page while most words show up only once or twice? This article covers how Zipf's Law became known, the inverse relationship between rank a
Business administration
Efficient business management is essential for a company to grow continuously and succeed. Responding quickly to changes in the internal and external environment, allocating resour
Food & nutrition
Mineral nutrients (minerals) are essential for maintaining human health, and consuming them in daily life is important. They support various functions in the body, particularly by
Food & nutrition
Nova sorts food into four groups by how much and why it has been industrially processed, rather than by nutrients like fat or sugar. This article covers how it arose, what the four
Journalism & communication
In modern society, the media plays a central role in delivering information and has a profound influence across various fields, including politics, the economy, and society. Amid t
Tourism studies
In modern society, the boundary between work and rest is changing rapidly. While the binary idea of working when it is time to work and resting when it is time to rest once prevail
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
Global warming is one of the most important environmental issues we face today. Since industrialization, a sharp increase in greenhouse gas emissions has caused Earth's average tem
