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Recent articles
- What Is Groupthink and Why Do Groups Make Bad Decisions?
Groupthink is a pattern in which a close-knit group suppresses doubt to reach quick agreement, a process Irving Janis described in 1972 and linked to poor decisions. - What Is a Bildungsroman? The German Coming-of-Age Novel
A bildungsroman is a novel that follows a young protagonist's moral and psychological growth into maturity, a form named after the German word for self-formation. - Why Was Ultramarine So Expensive? Lapis Lazuli Explained
Ultramarine was a deep blue pigment ground from lapis lazuli, and its cost came from scarce stone and a slow purification that yielded little pure blue. - What Is Absurdism? Albert Camus and the Absurd
Absurdism holds that people seek meaning in a silent universe, a clash Albert Camus described in The Myth of Sisyphus and answered with revolt, freedom and passion. - Julian vs Gregorian Calendar: Why the Change Happened
The Gregorian calendar was adopted from 1582 because the Julian year ran about 11 minutes too long, leaving the dates about ten days out of step with the seasons. - What Is a Support Vector Machine and How Does It Work?
A support vector machine separates two classes with the widest possible margin, and only the training points closest to that boundary decide where it falls. - Blood Pressure Explained: What the Two Numbers Mean
Blood pressure is the force of blood against artery walls, written as systolic over diastolic in mmHg. Learn what each number measures and how readings are rated. - The Traveling Salesman Problem: Why the Shortest Route Is Hard
The traveling salesman problem asks for the shortest route that visits every city once and returns to the start, simple to state but very hard to solve. - Hydroponics Explained: How Plants Grow Without Soil
Hydroponics grows plants with their roots in water that carries dissolved mineral nutrients, so no soil is needed and the grower controls what the plant gets. - Durkheim's Concept of Anomie: When Social Norms Break Down
Anomie is Émile Durkheim's term for a society in which shared norms weaken, leaving people without clear limits on what they should want and how to pursue it.