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810 articles found
Chemistry
Green chemistry is a key field that can achieve environmental protection and economic development simultaneously, playing an important role in creating a sustainable future. As ind
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
Statistics
Analysis of variance (ANOVA, Analysis of Variance) is one of the essential analytical techniques in statistics and is widely used across many fields. By testing differences in the
Information technology
Rubber duck debugging is a debugging method in which you find problems by explaining your code, line by line and out loud, to a rubber duck on your desk. This article covers where
Library & information science
A “Sleeping Beauty in Science” is a paper that goes almost uncited for years after publication and then suddenly draws a surge of citations. This article covers what the term means
Film & media
Diegetic sound is sound whose source we accept as being inside the story world, like dialogue, footsteps, or a radio in the scene, while non-diegetic sound such as background music
Robotics
Asimov’s Three Laws of Robotics are a set of prioritized rules: a robot must not harm humans, must obey human orders, and must protect itself. We look at how the laws were born, wh
Earth science
Waves are a natural phenomenon commonly seen at the beach, but their formation and behavior involve highly complex and varied processes. Understanding waves plays an important role
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
Chemistry
Saponification is the chemical reaction in which fats and oils react with an alkali to become soap and glycerol. This article covers how the reaction works, why soap removes grease
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
Food & nutrition
Gut health and immunity are emerging as important aspects of health in modern life. Because much of our body's immune system begins in the gut, maintaining gut health is essential
