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810 articles found
Social welfare
The Beveridge Report, published in Britain in 1942 during the Second World War, proposed rebuilding postwar welfare around flat-rate social insurance for every citizen. This piece
Film & media
The field of drone photography and filming is attracting increasing attention as modern technology advances. Modern drone technology opens new horizons for photography and video pr
Statistics
In this article, we will explore the concept of norms. Norms refer to the scores used as a basis for comparison when comparing an individual's test score with those of other people
Psychology
Anger is one of the most powerful and primal emotions humans can experience. This emotion is shaped in complex ways by biological, psychological, and social factors, and it affects
Physics
Why does an ambulance siren suddenly drop to a lower, drawn-out pitch the moment it passes you? This guide explains the Doppler effect, from its basic concept and working principle
Psychology
Motivation is one of the fundamental forces driving human behavior and an important factor in explaining the reasons and processes that trigger particular actions. In psychology, m
Chemistry
A few drops of lemon juice make water sour, so why does the pH of blood stay the same? This article explains buffer solutions, whose pH barely changes even when acid or base is add
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
Business administration
Why does each person pull less hard when more people join in? This article covers Ringelmann's rope experiments, the two causes of lost performance, everyday and workplace examples
Physics
A sonic boom is the loud sound made when the shock waves created by an object moving faster than sound reach the ground. This article explains how sonic booms form, the small sonic
Physics
Total internal reflection happens when light traveling from a material with a higher refractive index toward a lower one hits the boundary beyond the critical angle and is reflecte
Earth science
A hotspot is a place where unusually hot mantle feeds magma to volcanoes regardless of plate boundaries. This article covers how the idea arose, how volcanic island chains form, Ea
