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A POSTERIORI: A conclusion reached through logical reasoning based on facts and observations about the real world. This notion is closely related to the scientific verification of hypotheses and the identification of principles. A similar sounding, but opposite term is a prior, which is a unverified presumption made before an analysis is undertaken. For example, in the study of economics of crime you might assume, a priori, that people are basically "good", and conclude, a posteriori, that people are more likely to commit crimes when the threat of capture and conviction is lower.
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PHENOMENON An event or action that is subject to investigation, analysis, and explanation using the scientific method. Phenomena are the sorts of things that science seeks to explain. They can be common events, like the blowing wind, or unusual, like the extinction of the dinosaurs.
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GRAY SKITTERY
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Today, you are likely to spend a great deal of time at a garage sale hoping to buy either a coffee cup commemorating the first day of spring or a printer that works with your stockpile of ink cartridges. Be on the lookout for celebrities who speak directly to you through your television.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"Most of the things worth doing in the world had been declared impossible before they were done." -- Louis D. Brandeis, Supreme Court Justice
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DJ
Dow Jones
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