Hen's Teeth and Horse's Toes

Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. In... an older and closely related meaning , "science" refers to the body of reliable knowledge itself, of the type that can be logically and rationally explained . Since classical antiquity science as a type of knowledge was closely linked to philosophy. In the early modern era the words "science" and "philosophy" were sometimes used interchangeably in the English language. By the 17th century, natural philosophy was considered a separate branch of philosophy. However, "science" continued to be used in a broad sense denoting reliable knowledge about a topic, in the same way it is still used in modern terms such as library science or political science. In modern use, "science" more often refers to a way of pursuing knowledge, not only the knowledge itself.
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An essay is a piece of writing which is often written from an author's personal point of view. Essays can consist of a number of elements, including:... literary criticism, political manifestos, learned arguments, observations of daily life, recollections, and reflections of the author. The definition of an essay is vague, overlapping with those of an article and a short story. Almost all modern essays are written in prose, but works in verse have been dubbed essays . While brevity usually defines an essay, voluminous works like John Locke's An Essay Concerning Human Understanding and Thomas Malthus's An Essay on the Principle of Population are counterexamples. In some countries , essays have become a major part of formal education. Secondary students are taught structured essay formats to improve their writing skills, and admission essays are often used by universities in selecting applicants and, in the humanities and social sciences, as a way of assessing the performance of students during final exams. The concept of an "essay" has been extended to other mediums beyond writing.
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