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784 articles found
Food & nutrition
Maintaining a healthy lifestyle requires considering various factors. Among them, cholesterol management plays an important role in heart health and overall physical health. High c
Library & information science
A close look at the structure of MARC, the format libraries use for cataloging. Using a real record for the book 'Romance of the Three Kingdoms' (Samgukji) from the National Librar
Earth science
Lightning is one of the most remarkable electrical phenomena produced by nature. The moment lightning flashes is not only visually beautiful but also conceals complex scientific pr
Information technology
The Internet of Things connects everyday objects to the internet so they can collect and share data. This article looks at what IoT is, the key technologies behind it, the fields w
Food & nutrition
Caramelization is the reaction in which sugar, heated to high temperatures, breaks down and recombines into brown compounds and aroma molecules. We look at how it works, the temper
Library & information science
When a search list looks right at the top, how do you know what was left out? This piece explains precision and recall, the trade-off between them, the F1 score that combines both,
Logistics
Every day, we consume goods that have traveled from all over the world. The coffee beans we brew in the morning, the smartphone in our hand, even the clothes we wear. How have all
Journalism & communication
The inverted pyramid is a way of writing news that puts the conclusion and key facts first and places less important information further back. This piece covers how it is structure
Statistics
The secretary problem asks how to maximize the chance of picking the very best candidate when you must decide on each one on the spot. This article explains its rules, why the answ
Library & information science
Information literacy is the ability to recognize what information you need, find it, evaluate it, and use it ethically. This article covers its definition and origins, the core fra
Information technology
Drones are used in more and more fields, from the military to commercial, industrial, and personal use. This article explains what drones are, where they are used, the key technolo
Psychology
The Stanford Marshmallow Experiment studied self-control by asking young children to choose between one treat now and two treats later. This article explains how the experiment wor
