You are browsing the English interface. Articles without a published translation are clearly marked and open in Korean.
809 articles found
Food & nutrition
Carbohydrates are one of the indispensable nutrients in our daily diet and are a major source of energy. Carbohydrates are divided into simple and complex carbohydrates, each of wh
Statistics
Reliability and validity always come up when studying surveys in statistics, marketing, or opinion polling. This guide uses two illustrated examples, shooting and makeup, to make t
Statistics
Simpson's paradox is the phenomenon in which a relationship seen within separate groups weakens or even reverses when the groups are combined. This article covers its definition, w
Information technology
Considered one of the innovations of modern technology, 3D printers are bringing major changes to industries ranging from manufacturing to medicine, education, and art. 3D printers
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
Social welfare
Housing welfare policy plays an important role in ensuring the stability and comfort of housing, the basic living environment of citizens, and improving housing standards across th
Chemistry
Chirality is the property of an object or molecule that cannot be superimposed on its own mirror image. This article covers the basic definition of chirality, how mirror-image mole
Logistics
An automated storage and retrieval system (AS/RS) is equipment in which machines, directed by a computer, store goods in assigned locations and retrieve them when needed. This arti
Logistics
How do the everyday items we use and the countless products imported from overseas reach our hands? Most arrive aboard enormous container ships at major ports such as Busan Port or
Library & information science
A “Sleeping Beauty in Science” is a paper that goes almost uncited for years after publication and then suddenly draws a surge of citations. This article covers what the term means
Social welfare
An ecological map, or eco-map, is an assessment tool that places a family or person in a central circle and draws their ties to surrounding systems such as work, school, hospitals,
Education
Why did students tutored one-to-one outscore 98% of an ordinary class? This piece explains Bloom’s 2 sigma problem: the three teaching methods Bloom compared in 1984, what standard
