UPDATE: A water main broke at about 5AM in front of the University of Pennsylvania's new Life Science Building, flooding the streets in three-foot deep rapids. The flow was stopped and the water has since subsided, but as of 7:30AM, University Avenue between 38th Street and Grays Ferry Avenue was closed while repair continued on the broken water main. Woodland Avenue is an alternate route. Ramps on and off I-76 at University Ave. were......