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810 articles found
Economics
Engel's law is the empirical rule that as income rises, the share of total spending that goes to food steadily falls. This piece covers the basic concept, the Engel coefficient and
Food & nutrition
Maintaining health amid the busy routines of modern society is very important. However, one area that many people overlook is their intake of essential nutrients. Essential nutrien
Design
The Von Restorff Effect is the principle that among similar items, the one that differs is remembered best. This piece covers Hedwig von Restorff’s 1933 experiment, four contrast d
Robotics
Subsumption architecture is a robot control method in which simple behavior layers are stacked from the bottom up and higher layers override lower ones when needed. This article co
General knowledge
Seasonal fruits are rich in the nutrients unique to each season. This article introduces the fruits recommended for spring, summer, autumn, and winter, along with their characteris
Journalism & communication
What does the press actually do for society? This article explains the main functions of the press, from providing information, acting as a watchdog, and shaping public opinion to
Film & media
OTT services let you watch video content on all kinds of devices. This article explains the concept of OTT, SVOD, and AVOD, the market share and rankings of major OTT services in K
Psychology
In modern society, conflict is an unavoidable reality. Various forms of conflict exist, including friction between individuals, disputes within organizations, and clashes between c
Economics
Comparative advantage is the principle that each party gains by specializing in what it can produce at a lower opportunity cost than others. This article covers the basic concept,
Social welfare
The Elizabethan Poor Law was a 1601 English law that made each parish collect a tax to support its poor instead of leaving relief to church charity alone. Learn why it was created,
Physics
Why do tiny particles in water never stop jiggling? This article explains Brownian motion, first observed by Robert Brown, the principle Einstein uncovered behind it, Perrin's expe
Physics
The universe remains full of mysteries, and dark matter is among its greatest enigmas. Although invisible, dark matter is estimated to make up approximately 27% of the universe, an
