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810 articles found
Chemistry
Liposomes are artificial vesicles with a bilayer structure similar to biological membranes and have potential for a wide range of biological applications. These vesicles are attrac
Logistics
The vehicle routing problem asks how several vehicles starting from one depot should split up their customers to keep total cost as low as possible. This article covers its basic s
General knowledge
Cardiopulmonary resuscitation (CPR) is a basic first aid technique for saving the life of someone in cardiac arrest. This technique temporarily replaces the functions of the heart
Tourism studies
What if, out of nowhere, hundreds of visitors from elsewhere began coming to the alley outside your home every day to take selfies, shouting and singing loudly until late at night,
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
Economics
The winner’s curse is when the person who most overestimates an item’s uncertain value wins the auction and overpays. This piece covers its origin in Capen, Clapp and Campbell’s 19
Tourism studies
Staged authenticity is the idea that tourist destinations present a version of local life arranged to look genuine to visitors. This article covers the basic concept, the six stage
Business administration
Why does each person pull less hard when more people join in? This article covers Ringelmann's rope experiments, the two causes of lost performance, everyday and workplace examples
Social welfare
The Beveridge Report, published in Britain in 1942 during the Second World War, proposed rebuilding postwar welfare around flat-rate social insurance for every citizen. This piece
Physics
Why can a full glass of water bulge above the rim without spilling, and how do water striders walk on ponds? This article explains how surface tension arises, why water's is unusua
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
Information technology
A Bloom filter is a probabilistic data structure that uses a tiny bit array to tell you a value is definitely not in a set. This article covers where it came from, how adding and c
