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A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world. The theory of biological evolution is more than "just a theory".
The Structure of Scientific Revolutions is a book about the history of science by the philosopher Thomas S. Kuhn. Its publication was a landmark event in the history, philosophy, and sociology of science. Kuhn challenged the then prevailing view of progress in science in which scientific progress was viewed as "development-by-accumulation" of ...
Physics. Emission theory of vision – the belief that vision is caused by rays emanating from the eyes was superseded by the intro-mission approach and more complex theories of vision. Aristotelian physics – superseded by Newtonian physics. Ptolemy 's law of refraction, replaced by Snell's law.
Scientific evidence. Scientific evidence is evidence that serves to either support or counter a scientific theory or hypothesis, [ 1] although scientists also use evidence in other ways, such as when applying theories to practical problems. [ 2] Such evidence is expected to be empirical evidence and interpretable in accordance with the ...
Observation in the natural sciences [ 1] is an act or instance of noticing or perceiving [ 2] and the acquisition of information from a primary source. In living beings, observation employs the senses. In science, observation can also involve the perception and recording of data via the use of scientific instruments.
The belief that science is nature and nature is science; and out of this duality, all theories and postulates are created, interpreted, evolve, and are applied. Stephen Hawking. Stephen Hawking was a recent high-profile advocate of positivism in the physical sciences. In The Universe in a Nutshell (p.
Scientific racism, sometimes termed biological racism, is the pseudoscientific belief that the human species is divided into biologically distinct taxa called "races", [1] [2] [3] and that empirical evidence exists to support or justify racial discrimination, racial inferiority, or racial superiority.
Scientific theories to justify racism. Laws and Supreme Court decisions that denied Black people equal rights. The imperialist view that Anglo-Saxons were called upon by God to civilize the ...