Aging societies more vulnerable to collapse, suggests analysis

Societies and political structures, like the humans they serve, appear to become more fragile as they age, according to an analysis of hundreds of pre-modern societies. A new study, which holds implications for the modern ...

Q&A: 'We need to act very fast,' says sustainability researcher

The effects of climate change are increasingly tangible. Reforms at the Intergovernmental Panel on Climate Change (IPCC) could serve to increase its political clout and thus advance the battle against global warming, argues ...

When languages collide, which survives?

Language has the power to shape our perceptions and interactions with the world. Different languages can coexist, but their dynamics are shaped by the communities that speak them—and how those communities interact with ...

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