Why scientists fear Emperor penguins' annual moult may be killing them

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4In 2007, Barrangou et al. demonstrated for the first time the function of CRISPR/Cas9 as a defensive mechanism of bacteria against bacteriophage attacks by a technique called “plaquing” which builds upon the technique of “plating” bacteria on agar. Plaques of viruses on agar are areas without growth of bacteria due to viral attacks.

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At a national level, a survey by insurer Direct Line published in December suggested that nearly four million UK adults might be living in a home without any smoke alarm at all. In the US, an estimated 16% of households do not have a functioning smoke alarm.

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«Ко мне подъехал автобус, из которого выбежали люди в балаклавах. Один из них держал руку за спиной на рукоятке пистолета и угрожал его применением, а также физической расправой», — уточнил Каптелов.