On her first day of an internship at the Allegheny County Coroner's Office, Rachel Geldard helped place into a zippered body bag the body of a young student who had leapt to his death from a Downtown building. "It was a little overwhelming, a little unnerving," said Geldard, a 20-year-old University of Pittsburgh psychology major from Canandaigua, N.Y. "But you get used to it." More women than men are applying for what Allegheny County Deputy Coroner Joseph Dominick calls one of the most comprehensive and hands-on internships in the country, where students earn class credits for working in the morgue....