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810 articles found
Physics
Certain solids build up electric charge on their surfaces the moment they are pressed or stretched. This article covers how the piezoelectric effect works, the meaning behind its n
Statistics
Why is it so likely that two people in a small group share a birthday? This article covers the birthday paradox, the two keys to calculating it, why our intuition misses it, and ho
Journalism & communication
News values are the criteria that decide which events become news and how they are reported. This article covers Galtung and Ruge’s 1965 study that started the field, the main news
Tourism studies
Why do people travel, and why do they choose a particular place? This article explains the origins of push-pull theory, push factors as travel motives, pull factors as destination
Logistics
When dealing with international trade or shopping directly from overseas, you often encounter three-letter English abbreviations such as FOB, CIF, and DDP. These are Incoterms (Int
Business administration
Core competence is the collective capability that ties an organization's skills and learning together and carries across many products and markets. This article covers its meaning,
Statistics
Probability distributions are a core concept in statistics and data science. This article covers their basic concepts and history, the main types and their characteristics, their m
Food & nutrition
Lactose is a carbohydrate commonly found in various foods and is considered a particularly important component of dairy products. However, it is very important to gain a thorough u
Economics
Fiscal policy is a key tool for promoting the stability and growth of a national economy, playing an important role as governments use it to adjust economic conditions, address imb
Education
Formative assessment checks what students know and don't know while learning is still underway, and uses the results to improve both teaching and learning. We look at where the ter
Statistics
After a standout exam or a praised flight, the next result often looks weaker—and after a flop, stronger. Much of that swing is regression toward the mean, not praise or blame. Thi
Chemistry
Electrochemistry is the study of the interaction between chemistry and electricity, an important field that has a profound impact on our everyday lives. It plays a central role in
