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— Timothy Leary"Acid is not for every brain .... Only the healthy, happy, wholesome, handsome, hopeful, humorous, high-velocity should seek these experiences. This elitism is totally self-determined. Unless you are self-confident, self-directed, self-selected, please abstain."
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Coral reefs, the rain forest of the ocean, are home for one-third of the species of the sea. Coral reefs are under stress for several reasons, including warming of the ocean, but especially because of ocean acidification, a direct effect of added carbon dioxide. Ocean life dependent on carbonate shells and skeletons is threatened by dissolution as the ocean becomes more acid.
— James Hansen
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This investigation has yielded an unanticipated result that reaction of cyanic acid with ammonia gives urea, a noteworthy result in as much as it provides an example of the artificial production of an organic, indeed a so-called animal, substance from inorganic substances.
— Friedrich Wohler
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