Science / Chemistry / Theory: Theories are well-established explanations for experimental data. To become established, the theory must experimentally tested by many different investigators. Theories usually can not be proven; a single contrary experiment can disprove a theory.
Search Google for Theory:
Health / Disease / Miasma Theory: The theory that diseases were caused by miasma or bad air arising from organic decay, filth, or other conditions of the local environment. MORE
Health / Disease / Germ Theory: The theory that microorganisms are the cause of many diseases. Highly controversial when first proposed. cf. miasma theory MORE
Business / Finance / Market Segmentation Theory Or Preferred Habitat Theory: A biased expectations theory that asserts that the shape of the yield curve is determined by the supply of and demand for securities within each maturity sector. MORE
Entertainment / Literature / Ding-Dong Theory: The linguistic theory that language began as instinctive responses to stimuli (Algeo 316). MORE
Science / Marine Biology / Optimal Foraging Theory: A theory designed to predict the foraging behavior that maximizes food intake per unit time MORE
Entertainment / Literature / Yo-He-Ho Theory: In linguistics, the idea that language first began as a way to facilitate cooperative labor. Contrast with the bow-wow theory and the ding-dong theory. MORE