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808 articles found
Economics
Gross domestic product (GDP) is one of the most important indicators in modern economics, used to measure the size and growth of a country's economy. By capturing the sum of a coun
Design
Isotype is a method of showing statistics with rows of identical picture symbols, created in 1920s Vienna by Otto Neurath and his team. This article covers the Social and Economic
Robotics
Passive dynamic walking is the idea that a machine can walk using only gravity and inertia, with no motors or controllers, as long as its body shape and weight distribution are rig
Economics
Money illusion is the mistake of judging gains and losses by the face value of money rather than its real purchasing power. This article covers nominal versus real value, the famou
Psychology
Depression is emerging as an important issue in society, and many people suffer from this condition. Depression is a serious illness that goes beyond a simple low mood, involves ps
Food & nutrition
Food allergies are among the health problems many people face, occurring when the body's immune system overreacts to the consumption of certain foods. Allergic reactions can be mil
Earth science
Torrential rain is a phenomenon in which a large amount of precipitation falls over a short period. Because it can cause property damage and loss of life, understanding its causes
Chemistry
A supercritical fluid is a substance pushed past its critical point, where the line between liquid and gas disappears. This article explains what the critical point means, the flui
Psychology
Liking refers to the emotional experience of feeling fond of another person. It means developing a liking for someone in everyday life, and this liking can have a significant influ
Food & nutrition
Fat provides energy, builds cell structures, and helps absorb essential fatty acids and vitamins, but eating too much can cause health problems. This article explains what fat is,
Economics
Why are shared resources so easily ruined? This article explains what the tragedy of the commons means, Hardin's pasture story, the features of common-pool resources, cases such as
Economics
The Korean stock market is constantly changing in response to global economic trends and domestic political changes, and the pace and patterns of these changes are becoming increas
