Dec 17, 2025 · Positivism, in Western philosophy, generally, any system that confines itself to the data of experience and excludes a priori or metaphysical speculations. More narrowly, the term …

Dec 19, 2025 · Logical positivism, a philosophical movement that arose in Vienna in the 1920s and was characterized by the view that scientific knowledge is the only kind of factual knowledge and that all …

Vienna Circle, a group of philosophers, scientists, and mathematicians formed in the 1920s that met regularly in Vienna to investigate scientific language and scientific methodology. The philosophical …

Jan 11, 2026 · Epiphany is a Christian holiday commemorating the first manifestation of Jesus Christ to the Gentiles, represented by the Magi, and the manifestation of his divinity, as it occurred at his …

5 days ago · Ku Klux Klan: 2016 rally Members of the Ku Klux Klan burning a cross and a swastika at a rally near Cedartown, Georgia, April 23, 2016. (more)

5 days ago · Federalism, mode of political organization that unites separate states or other polities within an overarching political system in a way that allows each to maintain its own integrity. Learn more …

Jan 16, 2026 · Egg, the content of the hard-shelled reproductive body produced by a bird, considered as food. While the primary role of the egg is to reproduce the species, most eggs laid by domestic fowl …

Dec 29, 2025 · Jeffrey Dahmer was a notorious American serial killer who shocked the world with his heinous crimes and gruesome acts of violence that earned him the chilling moniker "The Milwaukee …

Dec 3, 2025 · Arabic alphabet, second most widely used alphabetic writing system in the world, originally developed for writing the Arabic language but used for a wide variety of languages. Written …

Jan 10, 2026 · Recycling, recovery and reprocessing of waste materials for use in new products. The basic phases in recycling are the collection of waste materials, their processing or manufacture into …