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How social networks can save lives when disasters strike

  • Written by Daniel P. Aldrich, Professor of Political Science, Public Policy and Urban Affairs and Director, Security and Resilience Program, Northeastern University
How social networks can save lives when disasters strikeAssembling sandbags in Virginia Beach, Va., before Hurricane Florence's arrivalAP Photo/Alex Brandon

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 wife and I...

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