Q&A: The impact of China's rapidly aging society

Due to its economic growth and large population, the People's Republic of China is widely viewed as a rising economic and military superpower. But declining fertility rates and increased life expectancies over the last few ...

New data confirms swift parrot population fears

A new evaluation from The Australian National University (ANU) of the number of swift parrots left in the wild has confirmed their population size is likely only a few hundred and declining rapidly.

Coalescence-fragmentation cycles based on human conflict

In 1960, Lewis Fry Richardson famously observed that the severity of a wartime event is described by a simple power law distribution that scales according to the size of the conflict. Statisticians have since proposed various ...

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