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810 articles found
Earth science
Drought is one of the natural disasters with the most severe and widespread impacts, causing a variety of environmental, economic, and social problems. Climate change and populatio
Chemistry
Chemiluminescence is the phenomenon in which energy released by a chemical reaction comes out as light instead of heat. This piece covers how excited molecules produce this ‘cold l
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,
Education
The hidden curriculum is what students learn at school without anyone planning or teaching it. This guide explains what it means and where it came from, how it takes shape in the c
Statistics
What confidence levels and confidence intervals mean and how they differ, how a confidence interval is calculated from the sample mean, standard error, and critical value, how they
General knowledge
Amara's Law says we tend to overestimate the effect of a new technology in the short run and underestimate it in the long run. This article covers where the saying came from, why t
Earth science
Isostasy is the idea that the crust floats on the denser mantle and balances at a height set by its thickness and density. This piece covers how the theory arose, the Airy and Prat
Food & nutrition
Efficient meal planning is an important factor in maintaining health and improving physical fitness. In modern society, putting together a balanced diet amid busy schedules and cou
Library & information science
This time, I would like to put together some material on thesauruses, dictionaries that show the various relationships among keywords when searching for the information you want. A
Robotics
A collaborative robot, or cobot, is a robot designed to share a workspace with people and to reduce its own force and speed when it comes close or makes contact, so no one gets hur
Education
Early childhood education takes place during the early stages of human development and plays an important role in promoting children's holistic development (the development of a we
Physics
Nuclear physics is a branch of physics that studies the structure and properties of atoms and atomic nuclei, playing an important role throughout modern science and technology. Thi
