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792 articles found
Education
The International Baccalaureate (IB) is an international curriculum and qualification created by a nonprofit education foundation based in Geneva. This article covers how the IB be
Statistics
If a coin lands heads five times in a row, will the next toss be tails? This article explains the gambler's fallacy, the belief that past results change what comes next, along with
Library & information science
Faceted classification divides a subject into non-overlapping aspects and combines their symbols into one class number. This piece covers enumerative versus analytico-synthetic cla
Business administration
To develop a company's marketing or business strategy, both the internal and external environments must be considered and analyzed. This article focuses on a company's external env
Social welfare
Child welfare is an important field dedicated to ensuring and improving the health, education, and safety of children, who represent society's future. This field requires cooperati
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
Physics
Why do tiny particles in water never stop jiggling? This article explains Brownian motion, first observed by Robert Brown, the principle Einstein uncovered behind it, Perrin's expe
Food & nutrition
Nixtamalization is a traditional Mesoamerican method of cooking and steeping dried corn in an alkaline solution such as limewater, then washing and hulling it. Learn its history, h
Logistics
Returns, recalls, reusable crates, and recycling all flow in the opposite direction from ordinary shipping. This piece explains what reverse logistics covers, the collection–inspec
Information technology
Wirth’s Law is the rule of thumb that software gets slower faster than hardware gets faster. This piece covers where it came from, why software keeps getting heavier, examples arou
Social welfare
What if a doctor recommended a choir or a community garden group instead of medicine? This article explains what social prescribing means and how it emerged, how link workers carry
Physics
Polarization of light is the state in which light’s vibrations are lined up in one direction. This article covers how polarization works, including Malus’s law, the three ways ligh
