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810 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
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
Statistics
An easy introduction to non-probability sampling in statistics, which selects samples based on the researcher's judgment or convenience, covering convenience, judgment (purposive),
Information technology
Network technology is at the heart of modern society's information and communications infrastructure and has become an indispensable part of the business environment. In a rapidly
Earth science
A volcanic winter is a drop in global temperatures lasting several years after a huge, sulfur-rich eruption spreads tiny sulfuric acid droplets through the stratosphere and blocks
Tourism studies
Medical tourism is a phenomenon involving the use of medical services across national borders, including a range of services such as disease treatment, dental care, plastic surgery
Earth science
Heat waves are occurring frequently around the world, and their intensity and frequency are steadily increasing. As a result, many people are experiencing health problems, and agri
Library & information science
This time, I would like to put together material on budgets in public libraries. Public library budget preparation is the process of developing, analyzing, and finalizing plans for
Psychology
The cocktail party effect is our ability to focus on one voice amid many overlapping sounds while still reacting to important information, such as our own name, in the sounds we ar
Library & information science
Government reports, theses, conference papers and working papers: what grey literature is, where the term came from, why research needs it, and why it is so hard to find and preser
Library & information science
Berrypicking, named by Marcia J. Bates in 1989, is a model of search in which queries and interests evolve and useful information is gathered bit by bit—unlike classical retrieval
Physics
Cherenkov radiation is the cone of light given off when a charged particle moves through a material such as water or glass faster than light travels in that material. Learn how it
