Book censorship in the United States On appeal, her conviction was reversed on the grounds that contraceptive devices could legally be promoted for the cure and prevention of disease. The publication of Charles Darwin's "On the Origin of Species" in 1859 "unleashed a controversy that resonates even today. In presenting a revolutionary theory of evolution, the British naturalist challenged the biblical creation story and provoked the ire of detractors who accused him of 'dethroning God'. Despite the surrounding controversy, "On the Origin of Species" remained uncensored in the United States all the way into the 1920s, when high school curricula started to incorporate the theory of
On the Origin of Species species, immigration of others and, where suitable variations occurred, descendants of some species became adapted to new conditions. He remarks that the artificial selection practised by animal breeders frequently produced sharp divergence in character between breeds, and suggests that natural selection might do the same, saying: But how, it may be asked, can any analogous principle apply in nature? I believe it can and does apply most efficiently, from the simple circumstance that the more diversified the descendants from any one species become in structure, constitution, and habits, by so much will they be better enabled to seize on many