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1. As an example of good science-and-society policymaking, the history of fluoride may be more of a cautionary tale.
2. Added to drinking water at concentrations of around one part per million, fluoride ions stick to dental plaque.
3. In his view, a writer has only one duty: to be present in his books.
4. Yet this, in the end, is a book from which one emerges sad, gloomy, disenchanted, at least if we agree to take it seriously.
5. The fear of violence should not determine what one does or does not say.
6. Practise gliding in the form of inflection, or slide, from one extreme of pitch to another.
7. He alludes to it as one of their evil customs and used by them to produce insensibility.
8. There was a rumor that Alessandro and his father had both died; but no one knew anything certainly.
9. Truth is a torch, but one of enormous size; so that we slink past it in rather a blinking fashion for fear it should burn us.
10. Under the one-sixth they appear as slender, highly refractive fibers with double contour and, often, curled or split ends.