Getting to know local cops could reduce crime rates

Providing residents with information about their neighborhood police officers may reduce crime rates, suggests a Nature paper. The combined results from laboratory and field studies suggest that our sense of anonymity depends ...

Global communications and the mesh of civilizations

It has been 20 years since political scientist Samuel P. Huntington published his influential "Clash of Civilizations" prediction that cultural differences and "fault lines between civilizations will be the battle lines of ...

How social networks can save lives when disasters strike

Soon after my family moved to New Orleans in the summer of 2005, we heard Mayor Ray Nagin's first warnings about Hurricane Katrina. With two young children, a job I hadn't started yet, and little in the way of savings, my ...

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