Science and technology

Associated Press
James Franklin, Branch Chief of Hurricane  Forecast Operations, points to a weather satellite map as he talks to a reporter at the National Hurricane Center in Miami, Thursday, April 4, 2013. The National Weather Service is now changing how it issues hurricane and tropical storm warnings. Starting June 1, watches and warning will be issued for storms that threaten life and property even after they are no longer hurricanes or tropical storms. (AP Photo/Alan Diaz)

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