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772 articles found

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Education

Learning Without Being Taught: The Hidden Curriculum

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

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Logistics

The Way Back Is Logistics Too: Reverse 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

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Earth science

Cold Seawater Rises from the Deep: Upwelling

Upwelling is the process in which cold, nutrient-rich water from the deep rises to fill the gap left when wind pushes surface water away. We look at how it works, where it happens,

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Statistics

The Illusion That Comes After Choosing: Berkson's Paradox

Berkson's Paradox is the phenomenon in which a false inverse relationship appears between two unrelated traits when you look only at a group filtered by some criterion. This piece

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Earth science

The Hot Wind That Crosses the Mountains: The Foehn Effect

Why can one side of a mountain range be cool and damp while the other is hot and dry? This article explains the foehn effect: how air changes temperature as it rises and descends o

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Education

The Secret of Learning That Lasts: Desirable Difficulty

Why is what we learn easily so easily forgotten? This article explains desirable difficulty, as described by Robert Bjork, covering its meaning and origins, learning methods such a

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Library & information science

Research Cited Together Is Close: Co-citation Analysis

Co-citation analysis judges two documents to be closer in subject the more often other documents cite them together. Learn how it emerged, how co-citation strength is counted, how