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810 articles found
Statistics
The friendship paradox is the phenomenon in which most people's friends have, on average, more friends than they do. This article explains why it happens with a simple calculation,
Earth science
Tides, the periodic rise and fall of sea level, are driven mainly by the gravity of the Moon and the Sun. This article covers how tides work, the differences between high and low t
Food & nutrition
The smoke point is the temperature at which an oil or fat, when heated, begins to give off a continuous, visible bluish smoke. This article covers why oil smokes, what determines t
Earth science
The phenomenon in which an asphalt road you walk along every day or a yard in a quiet residential neighborhood suddenly collapses into an enormous hole is called a sinkhole. You ha
General knowledge
Chesterton’s Fence is the principle that you shouldn’t remove a rule or custom until you understand why it exists. This piece covers its origin in G. K. Chesterton’s 1929 essay, th
Information technology
In the digital age, communication is an important element at the center of all information exchange. Smooth communication between devices or networks requires clear and precise rul
Psychology
Praise is an essential element of human relationships and plays an important role in shaping individual self-esteem and social relationships. Praise means more than simple encourag
Psychology
Rationalization is a psychological defense mechanism that refers to the process by which people create logical explanations for their behavior or emotions. It is an attempt to just
Robotics
What exactly is an exoskeleton, a robot you wear like clothing to add strength to your body? This article covers its history starting with Hardiman, the sensors and control that re
Chemistry
Environmental problems involving chemicals are recognized as among the serious environmental problems worldwide. Various chemicals released by human activities pollute the air, wat
Food & nutrition
Mineral nutrients (minerals) are essential for maintaining human health, and consuming them in daily life is important. They support various functions in the body, particularly by
Food & nutrition
Caramelization is the reaction in which sugar, heated to high temperatures, breaks down and recombines into brown compounds and aroma molecules. We look at how it works, the temper
