Jean Pascal Zanders, a chemical weapons expert and a senior research fellow for the European Union Institute for Security Studies, cast doubt on the use of chlorine, saying in an e-mail that one small rocket couldn't deliver the quantity needed to kill 25 people.

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To heighten the likelihood of getting showered in adulation narcissists employ an any-port-in-the-storm strategy: Rather than seek appreciation from an expert (e.g. making pasta for Mario Batali), they go for quantity over quality, caring less about who (in terms of credibility) applauds them, caring only that the clapping never ends.

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But when the quantity of numbers per group increased to the point where mental calculations were no longer possible (e.g. up to 48 numbers), the accuracy rate grew to about 90 percent.

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