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The history of science is replete with examples in which the scientific establishment resisted new theories which turned out decades later to be true. See, for example, the [[germ theory of disease]].  

The history of science is replete with examples in which the scientific establishment resisted new theories which turned out decades later to be true. See, for example, the [[germ theory of disease]].  

There have also been cases, notabably the racist theory of [[Eugenics]], in which a novel theory rapidly became the darling of the mainstream - without ever having any facts in its support.  

There have also been cases, notably the racist theory of [[Eugenics]], in which a novel theory rapidly became the darling of the mainstream - without ever having any facts in its support.  

This political prejudice takes both a conservative and radical form, in the sense of clinging to outmoded ideas despite the appearance of better ones, as well as adopting new ideas despite lack of proof.

This political prejudice takes both a conservative and radical form, in the sense of clinging to outmoded ideas despite the appearance of better ones, as well as adopting new ideas despite lack of proof.