May 1 (UPI) -- The remains of Nahida Bristy, one of two missing University of South Florida doctoral students, have been identified, police said Friday. Bristy's remains were found in a Tampa Bay waterway Sunday night in Pinellas County, across the bay from Hillsborough County, where her friend Zamil Limon, 27, was found on April 24 . Bristy was 27. Limon and Bristy were both from Bangladesh and were working on their doctorates. Bristy was studying chemical engineering, and Limon studied