Cooling centers are open again today in the Greater Danbury area for residents to beat the heat.  In New Fairfield, the Library will be open from 10am to 7pm and the Senior Center will be open from 9am to 4pm for cooling.  In Newtown, the Municipal Center, CH Booth Library and Newtown Community Center are open during normal business hours.  New Milford has the senior center, the E Paul Martin Room at Town Hall and Oddfellows Hall open as cooling centers.  In Danbury, the library, war memorial and New Street Shelter are open.