Recent studies on the power systems collapse prevention and the mechanism of cascading failures have shown that the self-organized criticality (SOC) is the character of power system blackouts.

概述了复杂网络理论在电力系统中的应用，重点说明了利用复杂网络分析大停电事故的方法和意义，以及如何从复杂网络的角度来分析和研究电力网络的动态特性。

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When it arrived in America it was detected within months thanks to the vigilance of the country's Centres for Disease Control and Prevention in noticing clusters of a previously rare skin cancer that is often a symptom of immune-system collapse.

ECONOMIST: Bird flu and public health